Freescale Semiconductor Document Number: MPC875EC Rev. 4, 08/2007 Technical Data MPC875/MPC870 PowerQUICCTM Hardware Specifications This hardware specification contains detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications for the MPC875/MPC870. The CPU on the MPC875/MPC870 is a 32-bit core built on Power ArchitectureTM technology that incorporates memory management units (MMUs) and instruction and data caches. For functional characteristics of the MPC875/MPC870, refer to the MPC885 PowerQUICCTM Family Reference Manual. To locate published errata or updates for this document, refer to the MPC875/MPC870 product summary page on our website listed on the back cover of this document or, contact your local Freescale sales office. (c) Freescale Semiconductor, Inc., 2003-2007. All rights reserved. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Maximum Tolerated Ratings . . . . . . . . . . . . . . . . . . . 9 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . 10 Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Thermal Calculation and Measurement . . . . . . . . . . 12 Power Supply and Power Sequencing . . . . . . . . . . . 14 Mandatory Reset Configurations . . . . . . . . . . . . . . . 15 Layout Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Bus Signal Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 17 IEEE 1149.1 Electrical Specifications . . . . . . . . . . . 45 CPM Electrical Characteristics . . . . . . . . . . . . . . . . . 47 USB Electrical Characteristics . . . . . . . . . . . . . . . . . 67 FEC Electrical Characteristics . . . . . . . . . . . . . . . . . 67 Mechanical Data and Ordering Information . . . . . . . 71 Document Revision History . . . . . . . . . . . . . . . . . . . 80 Overview 1 Overview The MPC875/MPC870 is a versatile single-chip integrated microprocessor and peripheral combination that can be used in a variety of controller applications and communications and networking systems. The MPC875/MPC870 provides enhanced ATM functionality over that of other ATM-enabled members of the MPC860 family. Table 1 shows the functionality supported by the MPC875/MPC870. Table 1. MPC875/MPC870 Devices Cache (Kbytes) Ethernet Part 2 SCC SMC USB Security Engine I Cache D Cache 10BaseT 10/100 MPC875 8 8 1 2 1 1 1 Yes MPC870 8 8 -- 2 -- 1 1 No Features The MPC875/MPC870 is comprised of three modules that each use the 32-bit internal bus: a MPC8xx core, a system integration unit (SIU), and a communications processor module (CPM). The following list summarizes the key MPC875/MPC870 features: * Embedded MPC8xx core up to 133 MHz * Maximum frequency operation of the external bus is 80 MHz (in 1:1 mode) -- The 133-MHz core frequency supports 2:1 mode only -- The 66-/80-MHz core frequencies support both the 1:1 and 2:1 modes * Single-issue, 32-bit core (compatible with the Power Architecture definition) with thirty-two 32-bit general-purpose registers (GPRs) -- The core performs branch prediction with conditional prefetch and without conditional execution -- 8-Kbyte data cache and 8-Kbyte instruction cache (see Table 1) - Instruction cache is two-way, set-associative with 256 sets in 2 blocks - Data cache is two-way, set-associative with 256 sets - Cache coherency for both instruction and data caches is maintained on 128-bit (4-word) cache blocks - Caches are physically addressed, implement a least recently used (LRU) replacement algorithm, and are lockable on a cache block basis -- MMUs with 32-entry TLB, fully associative instruction and data TLBs -- MMUs support multiple page sizes of 4, 16, and 512 Kbytes, and 8 Mbytes; 16 virtual address spaces and 16 protection groups -- Advanced on-chip emulation debug mode * Up to 32-bit data bus (dynamic bus sizing for 8, 16, and 32 bits) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 2 Freescale Semiconductor Features * * * * * * Thirty-two address lines Memory controller (eight banks) -- Contains complete dynamic RAM (DRAM) controller -- Each bank can be a chip select or RAS to support a DRAM bank -- Up to 30 wait states programmable per memory bank -- Glueless interface to DRAM, SIMMS, SRAM, EPROMs, Flash EPROMs, and other memory devices -- DRAM controller programmable to support most size and speed memory interfaces -- Four CAS lines, four WE lines, and one OE line -- Boot chip-select available at reset (options for 8-, 16-, or 32-bit memory) -- Variable block sizes (32 Kbytes-256 Mbytes) -- Selectable write protection -- On-chip bus arbitration logic General-purpose timers -- Four 16-bit timers or two 32-bit timers -- Gate mode can enable/disable counting -- Interrupt can be masked on reference match and event capture Two Fast Ethernet controllers (FEC)--Two 10/100 Mbps Ethernet/IEEE Std. 802.3(R) CDMA/CS that interface through MII and/or RMII interfaces System integration unit (SIU) -- Bus monitor -- Software watchdog -- Periodic interrupt timer (PIT) -- Clock synthesizer -- Decrementer and time base -- Reset controller -- IEEE 1149.1TM Std. test access port (JTAG) Security engine is optimized to handle all the algorithms associated with IPsec, SSL/TLS, SRTP, IEEE 802.11i(R) standard, and iSCSI processing. Available on the MPC875, the security engine contains a crypto-channel, a controller, and a set of crypto hardware accelerators (CHAs). The CHAs are: -- Data encryption standard execution unit (DEU) - DES, 3DES - Two key (K1, K2, K1) or three key (K1, K2, K3) - ECB and CBC modes for both DES and 3DES -- Advanced encryption standard unit (AESU) - Implements the Rijndael symmetric key cipher MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 3 Features * * * * * - ECB, CBC, and counter modes - 128-, 192-, and 256-bit key lengths -- Message digest execution unit (MDEU) - SHA with 160- or 256-bit message digest - MD5 with 128-bit message digest - HMAC with either algorithm -- Master/slave logic, with DMA - 32-bit address/32-bit data - Operation at MPC8xx bus frequency -- Crypto-channel supporting multi-command descriptors - Integrated controller managing crypto-execution units - Buffer size of 256 bytes for each execution unit, with flow control for large data sizes Interrupts -- Six external interrupt request (IRQ) lines -- Twelve port pins with interrupt capability -- Twenty-three internal interrupt sources -- Programmable priority between SCCs -- Programmable highest priority request Communications processor module (CPM) -- RISC controller -- Communication-specific commands (for example, GRACEFUL STOP TRANSMIT, ENTER HUNT MODE, and RESTART TRANSMIT) -- Supports continuous mode transmission and reception on all serial channels -- 8-Kbytes of dual-port RAM -- Several serial DMA (SDMA) channels to support the CPM -- Three parallel I/O registers with open-drain capability On-chip 16 x 16 multiply accumulate controller (MAC) -- One operation per clock (two-clock latency, one-clock blockage) -- MAC operates concurrently with other instructions -- FIR loop--Four clocks per four multiplies Four baud-rate generators -- Independent (can be connected to SCC or SMC) -- Allows changes during operation -- Autobaud support option SCC (serial communication controller) -- Ethernet/IEEE 802.3(R) standard, supporting full 10-Mbps operation -- HDLC/SDLC MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 4 Freescale Semiconductor Features * * * * -- HDLC bus (implements an HDLC-based local area network (LAN)) -- Asynchronous HDLC to support point-to-point protocol (PPP) -- AppleTalk -- Universal asynchronous receiver transmitter (UART) -- Synchronous UART -- Serial infrared (IrDA) -- Binary synchronous communication (BISYNC) -- Totally transparent (bit streams) -- Totally transparent (frame based with optional cyclic redundancy check (CRC)) SMC (serial management channel) -- UART (low-speed operation) -- Transparent Universal serial bus (USB)--Supports operation as a USB function endpoint, a USB host controller, or both for testing purposes (loopback diagnostics) -- USB 2.0 full-/low-speed compatible -- The USB function mode has the following features: - Four independent endpoints support control, bulk, interrupt, and isochronous data transfers - CRC16 generation and checking - CRC5 checking - NRZI encoding/decoding with bit stuffing - 12- or 1.5-Mbps data rate - Flexible data buffers with multiple buffers per frame - Automatic retransmission upon transmit error -- The USB host controller has the following features: - Supports control, bulk, interrupt, and isochronous data transfers - CRC16 generation and checking - NRZI encoding/decoding with bit stuffing - Supports both 12- and 1.5-Mbps data rates (automatic generation of preamble token and data rate configuration). Note that low-speed operation requires an external hub. - Flexible data buffers with multiple buffers per frame - Supports local loopback mode for diagnostics (12 Mbps only) Serial peripheral interface (SPI) -- Supports master and slave modes -- Supports multiple-master operation on the same bus Inter-integrated circuit (I2C) port -- Supports master and slave modes -- Supports a multiple-master environment MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 5 Features * * * * * * The MPC875 has a time-slot assigner (TSA) that supports one TDM bus (TDMb) -- Allows SCC and SMC to run in multiplexed and/or non-multiplexed operation -- Supports T1, CEPT, PCM highway, ISDN basic rate, ISDN primary rate, user-defined -- 1- or 8-bit resolution -- Allows independent transmit and receive routing, frame synchronization, and clocking -- Allows dynamic changes -- Can be internally connected to two serial channels (one SCC and one SMC) PCMCIA interface -- Master (socket) interface, release 2.1-compliant -- Supports one independent PCMCIA socket on the MPC875/MPC870 -- Eight memory or I/O windows supported Debug interface -- Eight comparators: four operate on instruction address, two operate on data address, and two operate on data -- Supports conditions: = < > -- Each watchpoint can generate a break point internally Normal high and normal low power modes to conserve power 1.8-V core and 3.3-V I/O operation with 5-V TTL compatibility The MPC875/MPC870 comes in a 256-pin ball grid array (PBGA) package MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 6 Freescale Semiconductor Features The MPC875 block diagram is shown in Figure 1. 8-Kbyte Instruction Instruction Cache Bus System Interface Unit (SIU) Instruction MMU 32-Entry ITLB Embedded MPC8xx Processor Core Memory Controller Unified Bus External Internal Bus Interface Bus Interface Unit Unit 8-Kbyte Data Cache System Functions Data MMU Load/Store Bus 32-Entry DTLB PCMCIA-ATA Interface Slave/Master IF Security Engine Fast Ethernet Controller Controller AESU DEU MDEU Channel DMAs DMAs DMAs FIFOs Parallel I/O 10/100 BaseT Media Access Control 4 Baud Rate Generators MIII/RMII Parallel Interface Port 4 Timers Timers Interrupt 8-Kbyte Controllers Dual-Port RAM 32-Bit RISC Controller and Program ROM SCC4 Virtual IDMA and Serial DMAs SMC1 USB SPI I2C Time-Slot Assigner Serial Interface Figure 1. MPC875 Block Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 7 Features The MPC870 block diagram is shown in Figure 2. 8-Kbyte Instruction Instruction Cache Bus System Interface Unit (SIU) Instruction MMU 32-Entry ITLB Embedded MPC8xx Processor Core Memory Controller Unified Bus External Internal Bus Interface Bus Interface Unit Unit 8-Kbyte Data Cache System Functions Data MMU Load/Store 32-Entry DTLB Bus PCMCIA-ATA Interface Slave/Master IF Fast Ethernet Controller DMAs DMAs DMAs FIFOs Parallel I/O 10/100 BaseT Media Access Control 4 Baud Rate Generators MIII/RMII Parallel Interface Port USB 4 Timers Timers Interrupt 8-Kbyte Controllers Dual-Port RAM 32-Bit RISC Controller and Program ROM SMC1 Virtual IDMA and Serial DMAs SPI I2C Serial Interface Figure 2. MPC870 Block Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 8 Freescale Semiconductor Maximum Tolerated Ratings 3 Maximum Tolerated Ratings This section provides the maximum tolerated voltage and temperature ranges for the MPC875/MPC870. Table 2 displays the maximum tolerated ratings and Table 3 displays the operating temperatures. Table 2. Maximum Tolerated Ratings Rating Symbol Value Unit VDDL (core voltage) -0.3 to 3.4 V VDDH (I/O voltage) -0.3 to 4 V VDDSYN -0.3 to 3.4 V Difference between VDDL and VDDSYN <100 mV Input voltage2 Vin GND - 0.3 to VDDH V Storage temperature range Tstg -55 to +150 C Supply voltage1 1 2 The power supply of the device must start its ramp from 0.0 V. Functional operating conditions are provided with the DC electrical specifications in Table 6. Absolute maximum ratings are stress ratings only; functional operation at the maxima is not guaranteed. Stress beyond those listed may affect device reliability or cause permanent damage to the device. Caution: All inputs that tolerate 5 V cannot be more than 2.5 V greater than V DDH. This restriction applies to power up and normal operation (that is, if the MPC875/MPC870 is unpowered, a voltage greater than 2.5 V must not be applied to its inputs). Figure 3 shows the undershoot and overshoot voltages at the interfaces of the MPC875/MPC870. VDDH/VDDL + 20% VDDH/VDDL + 5% VIH VDDH/VDDL GND GND - 0.3 V VIL GND - 0.7 V Not to Exceed 10% of tinterface1 Note: 1. tinterface refers to the clock period associated with the bus clock interface. Figure 3. Undershoot/Overshoot Voltage for VDDH and VDDL MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 9 Thermal Characteristics Table 3. Operating Temperatures Rating Temperature 1 (standard) Temperature (extended) 1 Symbol Value Unit TA(min) 0 C TJ(max) 95 C TA(min) -40 C TJ(max) 100 C Minimum temperatures are guaranteed as ambient temperature, TA. Maximum temperatures are guaranteed as junction temperature, TJ. This device contains circuitry protecting against damage due to high-static voltage or electrical fields; however, it is advised that normal precautions be taken to avoid application of any voltages higher than maximum-rated voltages to this high-impedance circuit. Reliability of operation is enhanced if unused inputs are tied to an appropriate logic voltage level (for example, either GND or VDDH). 4 Thermal Characteristics Table 4 shows the thermal characteristics for the MPC875/MPC870. Table 4. MPC875/MPC870 Thermal Resistance Data Rating Environment Junction-to-ambient1 Symbol Value Unit Single-layer board (1s) RJA2 43 C/W Four-layer board (2s2p) RJMA3 RJMA3 RJMA3 29 RJB 20 RJC 10 Natural convection JT 2 Airflow (200 ft/min) JT 2 Natural convection Airflow (200 ft/min) Single-layer board (1s) Four-layer board (2s2p) Junction-to-board4 Junction-to-case 5 Junction-to-package top 1 2 3 4 5 6 6 36 26 Junction temperature is a function of on-chip power dissipation, package thermal resistance, mounting site (board) temperature, ambient temperature, airflow, power dissipation of other components on the board, and board thermal resistance. Per SEMI G38-87 and JEDEC JESD51-2 with the single-layer board horizontal. Per JEDEC JESD51-6 with the board horizontal. Thermal resistance between the die and the printed-circuit board per JEDEC JESD51-8. Board temperature is measured on the top surface of the board near the package. Indicates the average thermal resistance between the die and the case top surface as measured by the cold plate method (MIL SPEC-883 Method 1012.1) with the cold plate temperature used for the case temperature. For exposed pad packages where the pad would be expected to be soldered, junction-to-case thermal resistance is a simulated value from the junction to the exposed pad without contact resistance. Thermal characterization parameter indicating the temperature difference between the package top and the junction temperature per JEDEC JESD51-2. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 10 Freescale Semiconductor Power Dissipation 5 Power Dissipation Table 5 provides information on power dissipation. The modes are 1:1, where CPU and bus speeds are equal, and 2:1, where CPU frequency is twice bus speed. Table 5. Power Dissipation (PD) Die Revision Bus Mode Frequency Typical1 Maximum2 Unit 0 1:1 66 MHz 310 390 mW 80 MHz 350 430 mW 133 MHz 430 495 mW 2:1 1 2 Typical power dissipation is measured at V DDL = VDDSYN = 1.8 V, and VDDH is at 3.3 V. Maximum power dissipation at VDDL = VDDSYN = 1.9 V, and VDDH is at 3.5 V. NOTE The values in Table 5 represent VDDL-based power dissipation and do not include I/O power dissipation over VDDH. I/O power dissipation varies widely by application due to buffer current, depending on external circuitry. The VDDSYN power dissipation is negligible. 6 DC Characteristics Table 6 provides the DC electrical characteristics for the MPC875/MPC870. Table 6. DC Electrical Specifications Characteristic Symbol Min Max Unit VDDH (I/O) 3.135 3.465 V VDDL (core) 1.7 1.9 V 1.7 1.9 V Difference between VDDL and VDDSYN -- 100 mV VIH 2.0 3.465 V VIL GND 0.8 V VIHC 0.7 x VDDH VDDH V Input leakage current, Vin = 5.5 V (except TMS, TRST, DSCK, and DSDI pins) for 5-V tolerant pins1 Iin -- 100 A Input leakage current, Vin = VDDH (except TMS, TRST, DSCK, and DSDI) IIn -- 10 A Input leakage current, V in = 0 V (except TMS, TRST, DSCK, and DSDI pins) IIn -- 10 A Input capacitance4 Cin -- 20 pF Operating voltage VDDSYN Input high voltage (all inputs except EXTAL and EXTCLK)2 Input low voltage3 EXTAL, EXTCLK input high voltage 1 MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 11 Thermal Calculation and Measurement Table 6. DC Electrical Specifications (continued) Characteristic Symbol Min Max Unit Output high voltage, IOH = -2.0 mA, VDDH = 3.0 V (except XTAL and open-drain pins) VOH 2.4 -- V Output low voltage IOL = 2.0 mA (CLKOUT) IOL = 3.2 mA5 IOL = 5.3 mA6 IOL = 7.0 mA (TXD1/PA14, TXD2/PA12) IOL = 8.9 mA (TS, TA, TEA, BI, BB, HRESET, SRESET) VOL -- 0.5 V 1 2 3 4 5 6 The difference between VDDL and VDDSYN cannot be more than 100 mV. The signals PA[0:15], PB[14:31], PC[4:15], PD[3:15], PE(14:31), TDI, TDO, TCK, TRST, TMS, MII1_TXEN, and MII_MDIO are 5-V tolerant. The minimum voltage is still 2.0 V. VIL(max) for the I2C interface is 0.8 V rather than the 1.5 V as specified in the I2C standard. Input capacitance is periodically sampled. A(0:31), TSIZ0/REG, TSIZ1, D(0:31), IRQ(2:4), IRQ6, RD/WR, BURST, IP_B(0:1), PA(0:4), PA(6:7), PA(10:11), PA15, PB19, PB(23:31), PC(6:7), PC(10:13), PC15, PD8, PE(14:31), MII1_CRS, MII_MDIO, MII1_TXEN, and MII1_COL. BDIP/GPL_B(5), BR, BG, FRZ/IRQ6, CS(0:7), WE(0:3), BS_A(0:3), GPL_A0/GPL_B0, OE/GPL_A1/GPL_B1, GPL_A(2:3)/GPL_B(2:3)/CS(2:3), UPWAITA/GPL_A4, UPWAITB/GPL_B4, GPL_A5, ALE_A, CE1_A, CE2_A, OP(0:3), and BADDR(28:30). 7 Thermal Calculation and Measurement For the following discussions, PD = (VDDL x IDDL) + PI/O, where PI/O is the power dissipation of the I/O drivers. NOTE The VDDSYN power dissipation is negligible. 7.1 Estimation with Junction-to-Ambient Thermal Resistance An estimation of the chip junction temperature, TJ, in C can be obtained from the following equation: TJ = TA + (RJA x PD) where: TA = ambient temperature (C) RJA = package junction-to-ambient thermal resistance (C/W) PD = power dissipation in package The junction-to-ambient thermal resistance is an industry standard value that provides a quick and easy estimation of thermal performance. However, the answer is only an estimate; test cases have demonstrated that errors of a factor of two (in the quantity TJ - TA) are possible. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 12 Freescale Semiconductor Thermal Calculation and Measurement 7.2 Estimation with Junction-to-Case Thermal Resistance Historically, thermal resistance has frequently been expressed as the sum of a junction-to-case thermal resistance and a case-to-ambient thermal resistance: RJA = RJC + RCA where: RJA = junction-to-ambient thermal resistance (C/W) RJC = junction-to-case thermal resistance (C/W) RCA = case-to-ambient thermal resistance (C/W) RJC is device-related and cannot be influenced by the user. The user adjusts the thermal environment to affect the case-to-ambient thermal resistance, RCA. For instance, the user can change the airflow around the device, add a heat sink, change the mounting arrangement on the printed-circuit board, or change the thermal dissipation on the printed-circuit board surrounding the device. This thermal model is most useful for ceramic packages with heat sinks where some 90% of the heat flows through the case and the heat sink to the ambient environment. For most packages, a better model is required. 7.3 Estimation with Junction-to-Board Thermal Resistance A simple package thermal model that has demonstrated reasonable accuracy (about 20%) is a two-resistor model consisting of a junction-to-board and a junction-to-case thermal resistance. The junction-to-case thermal resistance covers the situation where a heat sink is used or where a substantial amount of heat is dissipated from the top of the package. The junction-to-board thermal resistance describes the thermal performance when most of the heat is conducted to the printed-circuit board. It has been observed that the thermal performance of most plastic packages and especially PBGA packages is strongly dependent on the board temperature. If the board temperature is known, an estimate of the junction temperature in the environment can be made using the following equation: TJ = TB + (RJB x PD) where: RJB = junction-to-board thermal resistance (C/W) TB = board temperature (C) PD = power dissipation in package If the board temperature is known and the heat loss from the package case to the air can be ignored, acceptable predictions of junction temperature can be made. For this method to work, the board and board mounting must be similar to the test board used to determine the junction-to-board thermal resistance, namely a 2s2p (board with a power and a ground plane) and vias attaching the thermal balls to the ground plane. 7.4 Estimation Using Simulation When the board temperature is not known, a thermal simulation of the application is needed. The simple two-resistor model can be used with the thermal simulation of the application [2], or a more accurate and complex model of the package can be used in the thermal simulation. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 13 Power Supply and Power Sequencing 7.5 Experimental Determination To determine the junction temperature of the device in the application after prototypes are available, the thermal characterization parameter (JT) can be used to determine the junction temperature with a measurement of the temperature at the top center of the package case using the following equation: TJ = TT + (JT x PD) where: JT = thermal characterization parameter TT = thermocouple temperature on top of package PD = power dissipation in package The thermal characterization parameter is measured per the JESD51-2 specification published by JEDEC using a 40 gauge type T thermocouple epoxied to the top center of the package case. The thermocouple should be positioned so that the thermocouple junction rests on the package. A small amount of epoxy is placed over the thermocouple junction and over about 1 mm of wire extending from the junction. The thermocouple wire is placed flat against the package case to avoid measurement errors caused by the cooling effects of the thermocouple wire. 7.6 References Semiconductor Equipment and Materials International (415) 964-5111 805 East Middlefield Rd Mountain View, CA 94043 MIL-SPEC and EIA/JESD (JEDEC) specifications 800-854-7179 or (Available from Global Engineering Documents) 303-397-7956 JEDEC Specifications http://www.jedec.org 1. C.E. Triplett and B. Joiner, "An Experimental Characterization of a 272 PBGA Within an Automotive Engine Controller Module," Proceedings of SemiTherm, San Diego, 1998, pp. 47-54. 2. 2. B. Joiner and V. Adams, "Measurement and Simulation of Junction to Board Thermal Resistance and Its Application in Thermal Modeling," Proceedings of SemiTherm, San Diego, 1999, pp. 212-220. 8 Power Supply and Power Sequencing This section provides design considerations for the MPC875/MPC870 power supply. The MPC875/MPC870 has a core voltage (VDDL) and PLL voltage (VDDSYN), which both operate at a lower voltage than the I/O voltage (VDDH). The I/O section of the MPC875/MPC870 is supplied with 3.3 V across VDDH and VSS (GND). The signals PA[0:3], PA[8:11], PB15, PB[24:25], PB[28:31], PC[4:7], PC[12:13], PC15, PD[3:15], TDI, TDO, TCK, TRST, TMS, MII_TXEN, and MII_MDIO are 5 V tolerant. No input can be more than 2.5 V greater than VDDH. In addition, 5-V tolerant pins cannot exceed 5.5 V, and remaining input pins cannot exceed 3.465 V. This restriction applies to power up, power down, and normal operation. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 14 Freescale Semiconductor Mandatory Reset Configurations One consequence of multiple power supplies is that when power is initially applied, the voltage rails ramp up at different rates. The rates depend on the nature of the power supply, the type of load on each power supply, and the manner in which different voltages are derived. The following restrictions apply: * VDDL must not exceed VDDH during power up and power down * VDDL must not exceed 1.9 V, and VDDH must not exceed 3.465 V These cautions are necessary for the long-term reliability of the part. If they are violated, the electrostatic discharge (ESD) protection diodes are forward-biased, and excessive current can flow through these diodes. If the system power supply design does not control the voltage sequencing, the circuit shown in Figure 4 can be added to meet these requirements. The MUR420 Schottky diodes control the maximum potential difference between the external bus and core power supplies on power up, and the 1N5820 diodes regulate the maximum potential difference on power down. VDDH VDDL MUR420 1N5820 Figure 4. Example Voltage Sequencing Circuit 9 Mandatory Reset Configurations The MPC875/MPC870 requires a mandatory configuration during reset. If hardware reset configuration word (HRCW) is enabled, the HRCW[DBGC] value needs to be set to binary X1 in the HRCW and the SIUMCR[DBGC] should be programmed with the same value in the boot code after reset. This can be done by asserting the RSTCONF during HRESET assertion. If HRCW is disabled, the SIUMCR[DBGC] should be programmed with binary X1 in the boot code after reset by negating the RSTCONF during the HRESET assertion. The MBMR[GPLB4DIS], PAPAR, PADIR, PBPAR, PBDIR, PCPAR, and PCDIR need to be configured with the mandatory values in Table 7 in the boot code after the reset is negated. Table 7. Mandatory Reset Configuration of MPC875/MPC870 Register/Configuration Field Value (Binary) HRCW (Hardware reset configuration word) HRCW[DBGC] X1 SIUMCR (SIU module configuration register) SIUMCR[DBGC] X1 MBMR (Machine B mode register) MBMR[GPLB4DIS} 0 PAPAR (Port A pin assignment register) PAPAR[5:9] PAPAR[12:13] 0 MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 15 Layout Practices Table 7. Mandatory Reset Configuration of MPC875/MPC870 (continued) Register/Configuration Field Value (Binary) PADIR (Port A data direction register) PADIR[5:9] PADIR[12:13] 0 PBPAR (Port B pin assignment register) PBPAR[14:18] PBPAR[20:22] 0 PBDIR (Port B data direction register) PBDIR[14:8] PBDIR[20:22] 0 PCPAR (Port C pin assignment register) PCPAR[4:5] PCPAR[8:9] PCPAR[14] 0 PCDIR (Port C data direction register) PCDIR[4:5] PCDIR[8:9] PCDIR[14] 0 PDPAR (Port D pin assignment register) PDPAR[3:7] PDPAR[9:5] 0 PDDIR (Port D data direction register) PDDIR[3:7] PDDIR[9:15] 0 10 Layout Practices Each VDD pin on the MPC875/MPC870 should be provided with a low-impedance path to the board's supply. Each GND pin should likewise be provided with a low-impedance path to ground. The power supply pins drive distinct groups of logic on chip. The VDD power supply should be bypassed to ground using at least four 0.1-F bypass capacitors located as close as possible to the four sides of the package. Each board designed should be characterized and additional appropriate decoupling capacitors should be used if required. The capacitor leads and associated printed-circuit traces connecting to chip VDD and GND should be kept to less than half an inch per capacitor lead. At a minimum, a four-layer board employing two inner layers as VDD and GND planes should be used. All output pins on the MPC875/MPC870 have fast rise and fall times. Printed circuit (PC) trace interconnection length should be minimized in order to minimize undershoot and reflections caused by these fast output switching times. This recommendation particularly applies to the address and data buses. Maximum PC trace lengths of 6 inches are recommended. Capacitance calculations should consider all device loads as well as parasitic capacitances due to the PC traces. Attention to proper PCB layout and bypassing becomes especially critical in systems with higher capacitive loads because these loads create higher transient currents in the VDD and GND circuits. Pull up all unused inputs or signals that will be inputs during reset. Special care should be taken to minimize the noise levels on the PLL supply pins. For more information, refer to Section 14.4.3, "Clock Synthesizer Power (VDDSYN, VSSSYN, VSSSYN1)," in the MPC885 PowerQUICCTM Family Reference Manual. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 16 Freescale Semiconductor Bus Signal Timing 11 Bus Signal Timing The maximum bus speed supported by the MPC875/MPC870 is 80 MHz. Higher-speed parts must be operated in half-speed bus mode (for example, an MPC875/MPC870 used at 133 MHz must be configured for a 66 MHz bus). Table 8 shows the frequency ranges for standard part frequencies in 1:1 bus mode, and Table 9 shows the frequency ranges for standard part frequencies in 2:1 bus mode. Table 8. Frequency Ranges for Standard Part Frequencies (1:1 Bus Mode) 66 MHz 80 MHz Part Frequency Min Max Min Max Core frequency 40 66.67 40 80 Bus frequency 40 66.67 40 80 Table 9. Frequency Ranges for Standard Part Frequencies (2:1 Bus Mode) 66 MHz 80 MHz 133 MHz Part Frequency Min Max Min Max Min Max Core frequency 40 66.67 40 80 40 133 Bus frequency 20 33.33 20 40 20 66 Table 10 provides the bus operation timing for the MPC875/MPC870 at 33, 40, 66, and 80 MHz. The timing for the MPC875/MPC870 bus shown Table 10, assumes a 50-pF load for maximum delays and a 0-pF load for minimum delays. CLKOUT assumes a 100-pF load maximum delay Table 10. Bus Operation Timings 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max B1 Bus period (CLKOUT), see Table 8 -- -- -- -- -- -- -- -- ns B1a EXTCLK to CLKOUT phase skew--If CLKOUT is an integer multiple of EXTCLK, then the rising edge of EXTCLK is aligned with the rising edge of CLKOUT. For a non-integer multiple of EXTCLK, this synchronization is lost, and the rising edges of EXTCLK and CLKOUT have a continuously varying phase skew. -2 +2 -2 +2 -2 +2 -2 +2 ns B1b CLKOUT frequency jitter peak-to-peak -- 1 -- 1 -- 1 -- 1 ns B1c Frequency jitter on EXTCLK -- 0.50 -- 0.50 -- 0.50 -- 0.50 % B1d CLKOUT phase jitter peak-to-peak for OSCLK 15 MHz -- 4 -- 4 -- 4 -- 4 ns CLKOUT phase jitter peak-to-peak for OSCLK < 15 MHz -- 5 -- 5 -- 5 -- 5 ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 17 Bus Signal Timing Table 10. Bus Operation Timings (continued) 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max B2 CLKOUT pulse width low (MIN = 0.4 x B1, MAX = 0.6 x B1) 12.1 18.2 10.0 15.0 6.1 9.1 5.0 7.5 ns B3 CLKOUT pulse width high (MIN = 0.4 x B1, MAX = 0.6 x B1) 12.1 18.2 10.0 15.0 6.1 9.1 5.0 7.5 ns B4 CLKOUT rise time -- 4.00 -- 4.00 -- 4.00 -- 4.00 ns B5 CLKOUT fall time -- 4.00 -- 4.00 -- 4.00 -- 4.00 ns B7 CLKOUT to A(0:31), BADDR(28:30), RD/WR, BURST, D(0:31) output hold (MIN = 0.25 x B1) 7.60 -- 6.30 -- 3.80 -- 3.13 -- ns B7a CLKOUT to TSIZ(0:1), REG, RSV, BDIP, PTR output hold (MIN = 0.25 x B1) 7.60 -- 6.30 -- 3.80 -- 3.13 -- ns B7b CLKOUT to BR, BG, FRZ, VFLS(0:1), VF(0:2) IWP(0:2), LWP(0:1), STS output hold (MIN = 0.25 x B1) 7.60 -- 6.30 -- 3.80 -- 3.13 -- ns B8 CLKOUT to A(0:31), BADDR(28:30), RD/WR, BURST, D(0:31) valid (MAX = 0.25 x B1 + 6.3) -- 13.80 -- 12.50 -- 10.00 -- 9.43 ns B8a CLKOUT to TSIZ(0:1), REG, RSV, BDIP, PTR valid (MAX = 0.25 x B1 + 6.3) -- 13.80 -- 12.50 -- 10.00 -- 9.43 ns B8b CLKOUT to BR, BG, VFLS(0:1), VF(0:2), IWP(0:2), FRZ, LWP(0:1), STS valid 2 (MAX = 0.25 x B1 + 6.3) -- 13.80 -- 12.50 -- 10.00 -- 9.43 ns B9 CLKOUT to A(0:31), BADDR(28:30), RD/WR, BURST, D(0:31), TSIZ(0:1), REG, RSV, PTR High-Z (MAX = 0.25 x B1 + 6.3) 7.60 13.80 6.30 12.50 3.80 10.00 3.13 9.43 ns B11 CLKOUT to TS, BB assertion (MAX = 0.25 x B1 + 6.0) 7.60 13.60 6.30 12.30 3.80 9.80 3.13 9.13 ns B11a CLKOUT to TA, BI assertion (when driven by the memory controller or PCMCIA interface) (MAX = 0.00 x B1 + 9.301) 2.50 9.30 2.50 9.30 2.50 9.80 2.5 9.3 ns B12 CLKOUT to TS, BB negation (MAX = 0.25 x B1 + 4.8) 7.60 12.30 6.30 11.00 3.80 8.50 3.13 7.92 ns B12a CLKOUT to TA, BI negation (when driven by the memory controller or PCMCIA interface) (MAX = 0.00 x B1 + 9.00) 2.50 9.00 2.50 9.00 2.50 9.00 2.5 9.00 ns B13 CLKOUT to TS, BB High-Z (MIN = 0.25 x B1) 7.60 21.60 6.30 20.30 3.80 14.00 3.13 12.93 ns B13a CLKOUT to TA, BI High-Z (when driven by the memory controller or PCMCIA interface) (MIN = 0.00 x B1 + 2.5) 2.50 15.00 2.50 15.00 2.50 15.00 2.5 15.00 ns B14 CLKOUT to TEA assertion (MAX = 0.00 x B1 + 9.00) 2.50 9.00 2.50 9.00 2.50 9.00 2.50 9.00 ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 18 Freescale Semiconductor Bus Signal Timing Table 10. Bus Operation Timings (continued) 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max B15 CLKOUT to TEA High-Z (MIN = 0.00 x B1 + 2.50) 2.50 15.00 2.50 15.00 2.50 15.00 2.50 15.00 ns B16 TA, BI valid to CLKOUT (setup time) (MIN = 0.00 x B1 + 6.00) 6.00 -- 6.00 -- 6.00 -- 6 -- ns B16a TEA, KR, RETRY, CR valid to CLKOUT (setup time) (MIN = 0.00 x B1 + 4.5) 4.50 -- 4.50 -- 4.50 -- 4.50 -- ns B16b BB, BG, BR, valid to CLKOUT (setup time)2 (4MIN = 0.00 x B1 + 0.00) 4.00 -- 4.00 -- 4.00 -- 4.00 -- ns B17 CLKOUT to TA, TEA, BI, BB, BG, BR valid (hold time) (MIN = 0.00 x B1 + 1.003) 1.00 -- 1.00 -- 2.00 -- 2.00 -- ns B17a CLKOUT to KR, RETRY, CR valid (hold time) (MIN = 0.00 x B1 + 2.00) 2.00 -- 2.00 -- 2.00 -- 2.00 -- ns B18 D(0:31) valid to CLKOUT rising edge (setup time)4 (MIN = 0.00 x B1 + 6.00) 6.00 -- 6.00 -- 6.00 -- 6.00 -- ns B19 CLKOUT rising edge to D(0:31) valid (hold time)4 (MIN = 0.00 x B1 + 1.005) 1.00 -- 1.00 -- 2.00 -- 2.00 -- ns B20 D(0:31) valid to CLKOUT falling edge (setup time)6 (MIN = 0.00 x B1 + 4.00) 4.00 -- 4.00 -- 4.00 -- 4.00 -- ns B21 CLKOUT falling edge to D(0:31) valid (hold time)6 (MIN = 0.00 x B1 + 2.00) 2.00 -- 2.00 -- 2.00 -- 2.00 -- ns B22 CLKOUT rising edge to CS asserted GPCM ACS = 00 (MAX = 0.25 x B1 + 6.3) 7.60 13.80 6.30 12.50 3.80 10.00 3.13 9.43 ns B22a CLKOUT falling edge to CS asserted GPCM ACS = 10, TRLX = 0 (MAX = 0.00 x B1 + 8.00) -- 8.00 -- 8.00 -- 8.00 -- 8.00 ns B22b CLKOUT falling edge to CS asserted GPCM ACS = 11, TRLX = 0, EBDF = 0 (MAX = 0.25 x B1 + 6.3) 7.60 13.80 6.30 12.50 3.80 10.00 3.13 9.43 ns B22c CLKOUT falling edge to CS asserted GPCM ACS = 11, TRLX = 0, EBDF = 1 (MAX = 0.375 x B1 + 6.6) 10.90 18.00 10.90 16.00 5.20 12.30 4.69 10.93 ns B23 CLKOUT rising edge to CS negated GPCM read access, GPCM write access ACS = 00, TRLX = 0 and CSNT = 0 (MAX = 0.00 x B1 + 8.00) 2.00 8.00 2.00 8.00 2.00 8.00 2.00 8.00 ns B24 A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 10, TRLX = 0 (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.13 -- ns B24a A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 11, TRLX = 0 (MIN = 0.50 x B1 - 2.00) 13.20 -- 10.50 -- 5.60 -- 4.25 -- ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 19 Bus Signal Timing Table 10. Bus Operation Timings (continued) 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max -- 9.00 Min Max Min 9.00 Max Min Max 9.00 -- 9.00 ns B25 CLKOUT rising edge to OE, WE(0:3)/BS_B[0:3] asserted (MAX = 0.00 x B1 + 9.00) B26 CLKOUT rising edge to OE negated (MAX = 0.00 x B1 + 9.00) 2.00 9.00 2.00 9.00 2.00 9.00 2.00 9.00 ns B27 A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 10, TRLX = 1 (MIN = 1.25 x B1 - 2.00) 35.90 -- 29.30 -- 16.90 -- 13.60 -- ns B27a A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 11, TRLX = 1 (MIN = 1.50 x B1 - 2.00) 43.50 -- 35.50 -- 20.70 -- 16.75 -- ns B28 CLKOUT rising edge to WE(0:3)/BS_B[0:3] negated GPCM write access CSNT = 0 (MAX = 0.00 x B1 + 9.00) -- 9.00 -- 9.00 -- 9.00 -- 9.00 ns B28a CLKOUT falling edge to WE(0:3)/BS_B[0:3] negated GPCM write access TRLX = 0, CSNT = 1, EBDF = 0 (MAX = 0.25 x B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 9.93 ns B28b CLKOUT falling edge to CS negated GPCM write access TRLX = 0, CSNT = 1 ACS = 10 or ACS = 11, EBDF = 0 (MAX = 0.25 x B1 + 6.80) -- 14.30 -- 13.00 -- 10.50 -- 9.93 ns B28c CLKOUT falling edge to WE(0:3)/BS_B[0:3] negated GPCM write access TRLX = 0, CSNT = 1 write access TRLX = 0, CSNT = 1, EBDF = 1 (MAX = 0.375 x B1 + 6.6) 10.90 18.00 10.90 18.00 5.20 12.30 4.69 11.29 ns B28d CLKOUT falling edge to CS negated GPCM write access TRLX = 0, CSNT = 1, ACS = 10 or ACS = 11, EBDF = 1 (MAX = 0.375 x B1 + 6.6) -- 18.00 -- 18.00 -- 12.30 -- 11.30 ns B29 WE(0:3)/BS_B[0:3] negated to D(0:31) High-Z GPCM write access, CSNT = 0, EBDF = 0 (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.13 -- ns B29a WE(0:3)/BS_B[0:3] negated to D(0:31) High-Z GPCM write access, TRLX = 0, CSNT = 1, EBDF = 0 (MIN = 0.50 x B1 - 2.00) 13.20 -- 10.50 -- 5.60 -- 4.25 -- ns B29b CS negated to D(0:31) High-Z GPCM write access, ACS = 00, TRLX = 0 and CSNT = 0 (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.13 -- ns B29c CS negated to D(0:31) High-Z GPCM write 13.20 access, TRLX = 0, CSNT = 1, ACS = 10 or ACS = 11, EBDF = 0 (MIN = 0.50 x B1 - 2.00) -- 10.50 -- 5.60 -- 4.25 -- ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 20 Freescale Semiconductor Bus Signal Timing Table 10. Bus Operation Timings (continued) 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max B29d WE(0:3)/BS_B[0:3] negated to D(0:31) High-Z GPCM write access, TRLX = 1, CSNT = 1, EBDF = 0 (MIN = 1.50 x B1 - 2.00) 43.50 -- 35.50 -- 20.70 -- 16.75 -- ns B29e CS negated to D(0:31) High-Z GPCM write 43.50 access, TRLX = 1, CSNT = 1, ACS = 10 or ACS = 11, EBDF = 0 (MIN = 1.50 x B1 - 2.00) -- 35.50 -- 20.70 -- 16.75 -- ns B29f WE(0:3/BS_B[0:3]) negated to D(0:31) High-Z GPCM write access, TRLX = 0, CSNT = 1, EBDF = 1 (MIN = 0.375 x B1 - 6.30)7 5.00 -- 3.00 -- 0.00 -- 0.00 -- ns B29g CS negated to D(0:31) High-Z GPCM write access, TRLX = 0, CSNT = 1 ACS = 10 or ACS = 11, EBDF = 1 (MIN = 0.375 x B1 - 6.30)7 5.00 -- 3.00 -- 0.00 -- 0.00 -- ns B29h WE(0:3)/BS_B[0:3] negated to D(0:31) High-Z GPCM write access, TRLX = 1, CSNT = 1, EBDF = 1 (MIN = 0.375 x B1 - 3.30) 38.40 -- 31.10 -- 17.50 -- 13.85 -- ns B29i CS negated to D(0:31) (0:3) High-Z GPCM write access, TRLX = 1, CSNT = 1, ACS = 10 or ACS = 11, EBDF = 1 (MIN = 0.375 x B1 - 3.30) 38.40 -- 31.10 -- 17.50 -- 13.85 -- ns B30 CS, WE(0:3)/BS_B[0:3] negated to A(0:31), BADDR(28:30) invalid GPCM write access8 (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.13 -- ns B30a WE(0:3)/BS_B[0:3] negated to A(0:31), BADDR(28:30) invalid GPCM, write access, TRLX = 0, CSNT = 1, CS negated to A(0:31), invalid GPCM write access TRLX = 0, CSNT = 1, ACS = 10 or ACS == 11, EBDF = 0 (MIN = 0.50 x B1 - 2.00) 13.20 -- 10.50 -- 5.60 -- 4.25 -- ns B30b WE(0:3)/BS_B[0:3] negated to A(0:31), invalid GPCM BADDR(28:30), invalid GPCM write access, TRLX = 1, CSNT = 1. CS negated to A(0:31), invalid GPCM write access TRLX = 1, CSNT = 1, ACS = 10 or ACS == 11, EBDF = 0 (MIN = 1.50 x B1 - 2.00) 43.50 -- 35.50 -- 20.70 -- 16.75 -- ns B30c WE(0:3)/BS_B[0:3] negated to A(0:31), BADDR(28:30) invalid GPCM write access, TRLX = 0, CSNT = 1. CS negated to A(0:31) invalid GPCM write access, TRLX = 0, CSNT = 1 ACS = 10 or ACS == 11, EBDF = 1 (MIN = 0.375 x B1 - 3.00) 8.40 -- 6.40 -- 2.70 -- 1.70 -- ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 21 Bus Signal Timing Table 10. Bus Operation Timings (continued) 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max B30d WE(0:3)/BS_B[0:3] negated to A(0:31), BADDR(28:30) invalid GPCM write access TRLX = 1, CSNT =1, CS negated to A(0:31) invalid GPCM write access TRLX = 1, CSNT = 1, ACS = 10 or 11, EBDF = 1 38.67 -- 31.38 -- 17.83 -- 14.19 -- ns B31 CLKOUT falling edge to CS valid as requested by control bit CST4 in the corresponding word in the UPM (MAX = 0.00 x B1 + 6.00) 1.50 6.00 1.50 6.00 1.50 6.00 1.50 6.00 ns B31a CLKOUT falling edge to CS valid as requested by control bit CST1 in the corresponding word in the UPM (MAX = 0.25 x B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00 ns B31b CLKOUT rising edge to CS valid, as requested by control bit CST2 in the corresponding word in the UPM (MAX = 0.00 x B1 + 8.00) 1.50 8.00 1.50 8.00 1.50 8.00 1.50 8.00 ns B31c CLKOUT rising edge to CS valid, as requested by control bit CST3 in the corresponding word in the UPM (MAX = 0.25 x B1 + 6.30) 7.60 13.80 6.30 12.50 3.80 10.00 3.13 9.40 ns B31d CLKOUT falling edge to CS valid as requested by control bit CST1 in the corresponding word in the UPM EBDF = 1 (MAX = 0.375 x B1 + 6.6) 13.30 18.00 11.30 16.00 7.60 12.30 4.69 11.30 ns B32 CLKOUT falling edge to BS valid as requested by control bit BST4 in the corresponding word in the UPM (MAX = 0.00 x B1 + 6.00) 1.50 6.00 1.50 6.00 1.50 6.00 1.50 6.00 ns B32a CLKOUT falling edge to BS valid as requested by control bit BST1 in the corresponding word in the UPM, EBDF = 0 (MAX = 0.25 x B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00 ns B32b CLKOUT rising edge to BS valid, as requested by control bit BST2 in the corresponding word in the UPM (MAX = 0.00 x B1 + 8.00) 1.50 8.00 1.50 8.00 1.50 8.00 1.50 8.00 ns B32c CLKOUT rising edge to BS valid, as requested by control bit BST3 in the corresponding word in the UPM (MAX = 0.25 x B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00 ns B32d CLKOUT falling edge to BS valid as requested by control bit BST1 in the corresponding word in the UPM, EBDF = 1 (MAX = 0.375 x B1 + 6.60) 13.30 18.00 11.30 16.00 7.60 12.30 4.49 11.30 ns B33 CLKOUT falling edge to GPL valid as requested by control bit GxT4 in the corresponding word in the UPM (MAX = 0.00 x B1 + 6.00) 1.50 6.00 1.50 6.00 1.50 6.00 1.50 6.00 ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 22 Freescale Semiconductor Bus Signal Timing Table 10. Bus Operation Timings (continued) 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max B33a CLKOUT rising edge to GPL valid as requested by control bit GxT3 in the corresponding word in the UPM (MAX = 0.25 x B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00 ns B34 A(0:31), BADDR(28:30), and D(0:31) to CS valid, as requested by control bit CST4 in the corresponding word in the UPM (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.13 -- ns B34a A(0:31), BADDR(28:30), and D(0:31) to CS valid, as requested by control bit CST1 in the corresponding word in the UPM (MIN = 0.50 x B1 - 2.00) 13.20 -- 10.50 -- 5.60 -- 4.25 -- ns B34b A(0:31), BADDR(28:30), and D(0:31) to CS valid, as requested by CST2 in the corresponding word in UPM (MIN = 0.75 x B1 - 2.00) 20.70 -- 16.70 -- 9.40 -- 6.80 -- ns B35 A(0:31), BADDR(28:30) to CS valid as requested by control bit BST4 in the corresponding word in the UPM (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.13 -- ns B35a A(0:31), BADDR(28:30), and D(0:31) to BS valid as requested by BST1 in the corresponding word in the UPM (MIN = 0.50 x B1 - 2.00) 13.20 -- 10.50 -- 5.60 -- 4.25 -- ns B35b A(0:31), BADDR(28:30), and D(0:31) to BS valid as requested by control bit BST2 in the corresponding word in the UPM (MIN = 0.75 x B1 - 2.00) 20.70 -- 16.70 -- 9.40 -- 7.40 -- ns B36 A(0:31), BADDR(28:30), and D(0:31) to GPL valid as requested by control bit GxT4 in the corresponding word in the UPM (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.13 -- ns B37 UPWAIT valid to CLKOUT falling edge9 (MIN = 0.00 x B1 + 6.00) 6.00 -- 6.00 -- 6.00 -- 6.00 -- ns B38 CLKOUT falling edge to UPWAIT valid9 (MIN = 0.00 x B1 + 1.00) 1.00 -- 1.00 -- 1.00 -- 1.00 -- ns B39 AS valid to CLKOUT rising edge10 (MIN = 0.00 x B1 + 7.00) 7.00 -- 7.00 -- 7.00 -- 7.00 -- ns B40 A(0:31), TSIZ(0:1), RD/WR, BURST valid to CLKOUT rising edge (MIN = 0.00 x B1 + 7.00) 7.00 -- 7.00 -- 7.00 -- 7.00 -- ns B41 TS valid to CLKOUT rising edge (setup time) (MIN = 0.00 x B1 + 7.00) 7.00 -- 7.00 -- 7.00 -- 7.00 -- ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 23 Bus Signal Timing Table 10. Bus Operation Timings (continued) 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic B42 CLKOUT rising edge to TS valid (hold time) (MIN = 0.00 x B1 + 2.00) B43 AS negation to memory controller signals negation (MAX = TBD) Unit Min Max Min Max Min Max Min Max 2.00 -- 2.00 -- 2.00 -- 2.00 -- ns -- TBD -- TBD -- TBD -- TBD ns 1 For part speeds above 50 MHz, use 9.80 ns for B11a. The timing required for BR input is relevant when the MPC875/MPC870 is selected to work with the internal bus arbiter. The timing for BG input is relevant when the MPC875/MPC870 is selected to work with the external bus arbiter. 3 For part speeds above 50 MHz, use 2 ns for B17. 4 The D(0:31) input timings B18 and B19 refer to the rising edge of the CLKOUT in which the TA input signal is asserted. 5 For part speeds above 50 MHz, use 2 ns for B19. 6 The D(0:31) input timings B20 and B21 refer to the falling edge of the CLKOUT. This timing is valid only for read accesses controlled by chip-selects under control of the user-programmable machine (UPM) in the memory controller, for data beats where DLT3 = 1 in the RAM words. (This is only the case where data is latched on the falling edge of CLKOUT.) 7 This formula applies to bus operation up to 50 MHz. 8 The timing B30 refers to CS when ACS = 00 and to WE(0:3) when CSNT = 0. 9 The signal UPWAIT is considered asynchronous to the CLKOUT and synchronized internally. The timings specified in B37 and B38 are specified to enable the freeze of the UPM output signals as described in Figure 20. 10 The AS signal is considered asynchronous to the CLKOUT. The timing B39 is specified in order to allow the behavior specified in Figure 23. 2 MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 24 Freescale Semiconductor Bus Signal Timing Figure 5 provides the control timing diagram. . CLKOUT A B Outputs A B Outputs D C Inputs D C Inputs A Maximum output delay specification. B Minimum output hold time. C Minimum input setup time specification. D Minimum input hold time specification. Figure 5. Control Timing Figure 6 provides the timing for the external clock. CLKOUT B1 B3 B1 B4 B2 B5 Figure 6. External Clock Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 25 Bus Signal Timing Figure 7 provides the timing for the synchronous output signals. CLKOUT B8 B7 B9 Output Signals B8a B7a B9 Output Signals B8b B7b Output Signals Figure 7. Synchronous Output Signals Timing Figure 8 provides the timing for the synchronous active pull-up and open-drain output signals. CLKOUT B13 B11 B12 TS, BB B13a B11 B12a TA, BI B14 B15 TEA Figure 8. Synchronous Active Pull-Up Resistor and Open-Drain Outputs Signals Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 26 Freescale Semiconductor Bus Signal Timing Figure 9 provides the timing for the synchronous input signals. CLKOUT B16 B17 TA, BI B16a B17a TEA, KR, RETRY, CR B16b B17 BB, BG, BR Figure 9. Synchronous Input Signals Timing Figure 10 provides normal case timing for input data. It also applies to normal read accesses under the control of the user-programmable machine (UPM) in the memory controller. CLKOUT B16 B17 TA B18 B19 D[0:31] Figure 10. Input Data Timing in Normal Case MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 27 Bus Signal Timing Figure 11 provides the timing for the input data controlled by the UPM for data beats where DLT3 = 1 in the UPM RAM words. (This is only the case where data is latched on the falling edge of CLKOUT.) CLKOUT TA B20 B21 D[0:31] Figure 11. Input Data Timing when Controlled by UPM in the Memory Controller and DLT3 = 1 Figure 12 through Figure 15 provide the timing for the external bus read controlled by various GPCM factors. CLKOUT B11 B12 TS B8 A[0:31] B22 B23 CSx B25 B26 OE B28 WE[0:3] B19 B18 D[0:31] Figure 12. External Bus Read Timing (GPCM Controlled--ACS = 00) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 28 Freescale Semiconductor Bus Signal Timing CLKOUT B11 B12 TS B8 A[0:31] B23 B22a CSx B24 B25 B26 OE B18 B19 D[0:31] Figure 13. External Bus Read Timing (GPCM Controlled--TRLX = 0, ACS = 10) CLKOUT B11 B12 TS B8 B22b A[0:31] B23 B22c CSx B24a B25 B26 OE B18 B19 D[0:31] Figure 14. External Bus Read Timing (GPCM Controlled--TRLX = 0, ACS = 11) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 29 Bus Signal Timing CLKOUT B11 B12 TS B8 A[0:31] B23 B22a CSx B27 OE B26 B27a B22b B22c B18 B19 D[0:31] Figure 15. External Bus Read Timing (GPCM Controlled--TRLX = 1, ACS = 10, ACS = 11) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 30 Freescale Semiconductor Bus Signal Timing Figure 16 through Figure 18 provide the timing for the external bus write controlled by various GPCM factors. CLKOUT B11 B12 TS B8 B30 A[0:31] B22 B23 CSx B25 B28 WE[0:3] B26 B29b OE B29 B8 B9 D[0:31] Figure 16. External Bus Write Timing (GPCM Controlled--TRLX = 0, CSNT = 0) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 31 Bus Signal Timing CLKOUT B11 B12 TS B8 B30a B30c A[0:31] B28b B28d B22 B23 CSx B29c B29g B25 WE[0:3] B26 B29a B29f OE B28a B28c B8 B9 D[0:31] Figure 17. External Bus Write Timing (GPCM Controlled--TRLX = 0, CSNT = 1) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 32 Freescale Semiconductor Bus Signal Timing CLKOUT B11 B12 TS B8 B30b B30d A[0:31] B22 B23 B28b B28d CSx B25 B29e B29i WE[0:3] B29d B29h B26 OE B29b B8 B28a B28c B9 D[0:31] Figure 18. External Bus Write Timing (GPCM Controlled--TRLX = 1, CSNT = 1) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 33 Bus Signal Timing Figure 19 provides the timing for the external bus controlled by the UPM. CLKOUT B8 A[0:31] B31a B31d B31c B31b B31 CSx B34 B34a B34b B32a B32d B32 B32c B32b BS_A[0:3] B35 B36 B35a B33a B35b B33 GPL_A[0:5], GPL_B[0:5] Figure 19. External Bus Timing (UPM Controlled Signals) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 34 Freescale Semiconductor Bus Signal Timing Figure 20 provides the timing for the asynchronous asserted UPWAIT signal controlled by the UPM. CLKOUT B37 UPWAIT B38 CSx BS_A[0:3] GPL_A[0:5], GPL_B[0:5] Figure 20. Asynchronous UPWAIT Asserted Detection in UPM Handled Cycles Timing Figure 21 provides the timing for the asynchronous negated UPWAIT signal controlled by the UPM. CLKOUT B37 UPWAIT B38 CSx BS_A[0:3] GPL_A[0:5], GPL_B[0:5] Figure 21. Asynchronous UPWAIT Negated Detection in UPM Handled Cycles Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 35 Bus Signal Timing Figure 22 provides the timing for the synchronous external master access controlled by the GPCM. CLKOUT B41 B42 TS B40 A[0:31], TSIZ[0:1], R/W, BURST B22 CSx Figure 22. Synchronous External Master Access Timing (GPCM Handled ACS = 00) Figure 23 provides the timing for the asynchronous external master memory access controlled by the GPCM. CLKOUT B39 AS B40 A[0:31], TSIZ[0:1], R/W B22 CSx Figure 23. Asynchronous External Master Memory Access Timing (GPCM Controlled--ACS = 00) Figure 24 provides the timing for the asynchronous external master control signals negation. AS B43 CSx, WE[0:3], OE, GPLx, BS[0:3] Figure 24. Asynchronous External Master--Control Signals Negation Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 36 Freescale Semiconductor Bus Signal Timing Table 11 provides the interrupt timing for the MPC875/MPC870. Table 11. Interrupt Timing All Frequencies Characteristic1 Num Unit Min 1 Max I39 IRQx valid to CLKOUT rising edge (setup time) 6.00 ns I40 IRQx hold time after CLKOUT 2.00 ns I41 IRQx pulse width low 3.00 ns I42 IRQx pulse width high 3.00 ns I43 IRQx edge-to-edge time 4 x TCLOCKOUT -- The I39 and I40 timings describe the testing conditions under which the IRQ lines are tested when being defined as level sensitive. The IRQ lines are synchronized internally and do not have to be asserted or negated with reference to the CLKOUT. The I41, I42, and I43 timings are specified to allow correct functioning of the IRQ lines detection circuitry and have no direct relation with the total system interrupt latency that the MPC875/MPC870 is able to support. Figure 25 provides the interrupt detection timing for the external level-sensitive lines. CLKOUT I39 I40 IRQx Figure 25. Interrupt Detection Timing for External Level Sensitive Lines Figure 26 provides the interrupt detection timing for the external edge-sensitive lines. CLKOUT I41 I42 IRQx I43 I43 Figure 26. Interrupt Detection Timing for External Edge-Sensitive Lines MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 37 Bus Signal Timing Table 12 shows the PCMCIA timing for the MPC875/MPC870. Table 12. PCMCIA Timing 33 MHz Num 1 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max P44 A(0:31), REG valid to PCMCIA strobe asserted1 (MIN = 0.75 x B1 - 2.00) 20.70 -- 16.70 -- 9.40 -- 7.40 -- ns P45 A(0:31), REG valid to ALE negation1 (MIN = 1.00 x B1 - 2.00) 28.30 -- 23.00 -- 13.20 -- 10.50 -- ns P46 CLKOUT to REG valid (MAX = 0.25 x B1 + 8.00) 7.60 15.60 6.30 14.30 3.80 11.80 3.13 11.13 ns P47 CLKOUT to REG invalid (MIN = 0.25 x B1 + 1.00) 8.60 -- 7.30 -- 4.80 -- 4.125 -- ns P48 CLKOUT to CE1, CE2 asserted (MAX = 0.25 x B1 + 8.00) 7.60 15.60 6.30 14.30 3.80 11.80 3.13 11.13 ns P49 CLKOUT to CE1, CE2 negated (MAX = 0.25 x B1 + 8.00) 7.60 15.60 6.30 14.30 3.80 11.80 3.13 11.13 ns P50 CLKOUT to PCOE, IORD, PCWE, IOWR assert time (MAX = 0.00 x B1 + 11.00) -- 11.00 -- 11.00 -- 11.00 -- 11.00 ns P51 CLKOUT to PCOE, IORD, PCWE, IOWR negate time (MAX = 0.00 x B1 + 11.00) 2.00 11.00 2.00 11.00 2.00 11.00 2.00 11.00 ns P52 CLKOUT to ALE assert time (MAX = 0.25 x B1 + 6.30) 7.60 13.80 6.30 12.50 3.80 10.00 3.13 9.40 ns P53 CLKOUT to ALE negate time (MAX = 0.25 x B1 + 8.00) -- 15.60 -- 14.30 -- 11.80 -- 11.13 ns P54 PCWE, IOWR negated to D(0:31) invalid1 (MIN = 0.25 x B1 - 2.00) 5.60 -- 4.30 -- 1.80 -- 1.125 -- ns P55 WAITA and WAITB valid to CLKOUT rising edge1 (MIN = 0.00 x B1 + 8.00) 8.00 -- 8.00 -- 8.00 -- 8.00 -- ns P56 CLKOUT rising edge to WAITA and WAITB invalid1 (MIN = 0.00 x B1 + 2.00) 2.00 -- 2.00 -- 2.00 -- 2.00 -- ns PSST = 1. Otherwise add PSST times cycle time. PSHT = 0. Otherwise add PSHT times cycle time. These synchronous timings define when the WAITA signals are detected in order to freeze (or relieve) the PCMCIA current cycle. The WAITA assertion will be effective only if it is detected 2 cycles before the PSL timer expiration. See Chapter 16, "PCMCIA Interface," in the MPC885 PowerQUICCTM Family Reference Manual. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 38 Freescale Semiconductor Bus Signal Timing Figure 27 provides the PCMCIA access cycle timing for the external bus read. CLKOUT TS P44 A[0:31] P46 P45 P47 REG P48 P49 CE1/CE2 P50 P51 P53 P52 PCOE, IORD P52 ALE B18 B19 D[0:31] Figure 27. PCMCIA Access Cycles Timing External Bus Read MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 39 Bus Signal Timing Figure 28 provides the PCMCIA access cycle timing for the external bus write. CLKOUT TS P44 A[0:31] P46 P45 P47 REG P48 P49 CE1/CE2 P50 P51 P54 P53 P52 B8 B9 PCWE, IOWR P52 ALE D[0:31] Figure 28. PCMCIA Access Cycles Timing External Bus Write Figure 29 provides the PCMCIA WAIT signals detection timing. CLKOUT P55 P56 WAITA Figure 29. PCMCIA WAIT Signals Detection Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 40 Freescale Semiconductor Bus Signal Timing Table 13 shows the PCMCIA port timing for the MPC875/MPC870. Table 13. PCMCIA Port Timing 33 MHz Num 1 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max -- 19.00 -- 19.00 -- 19.00 -- 19.00 ns P57 CLKOUT to OPx valid (MAX = 0.00 x B1 + 19.00) P58 HRESET negated to OPx drive1 (MIN = 0.75 x B1 + 3.00) 25.70 -- 21.70 -- 14.40 -- 12.40 -- ns P59 IP_Xx valid to CLKOUT rising edge (MIN = 0.00 x B1 + 5.00) 5.00 -- 5.00 -- 5.00 -- 5.00 -- ns P60 CLKOUT rising edge to IP_Xx invalid (MIN = 0.00 x B1 + 1.00) 1.00 -- 1.00 -- 1.00 -- 1.00 -- ns OP2 and OP3 only. Figure 30 provides the PCMCIA output port timing for the MPC875/MPC870. CLKOUT P57 Output Signals HRESET P58 OP2, OP3 Figure 30. PCMCIA Output Port Timing Figure 31 provides the PCMCIA input port timing for the MPC875/MPC870. CLKOUT P59 P60 Input Signals Figure 31. PCMCIA Input Port Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 41 Bus Signal Timing Table 14 shows the debug port timing for the MPC875/MPC870. Table 14. Debug Port Timing All Frequencies Num Characteristic Unit Min Max 3 x TCLOCKOUT -- DSCK clock pulse width 1.25 x TCLOCKOUT -- D63 DSCK rise and fall times 0.00 D64 DSDI input data setup time 8.00 ns D65 DSDI data hold time 5.00 ns D66 DSCK low to DSDO data valid 0.00 15.00 ns D67 DSCK low to DSDO invalid 0.00 2.00 ns D61 DSCK cycle time D62 3.00 ns Figure 32 provides the input timing for the debug port clock. DSCK D61 D62 D61 D62 D63 D63 Figure 32. Debug Port Clock Input Timing Figure 33 provides the timing for the debug port. DSCK D64 D65 DSDI D66 D67 DSDO Figure 33. Debug Port Timings MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 42 Freescale Semiconductor Bus Signal Timing Table 15 shows the reset timing for the MPC875/MPC870. Table 15. Reset Timing 33 MHz Num 40 MHz 66 MHz 80 MHz Characteristic Unit Min Max Min Max Min Max Min Max R69 CLKOUT to HRESET high impedance (MAX = 0.00 x B1 + 20.00) -- 20.00 -- 20.00 -- 20.00 -- 20.00 ns R70 CLKOUT to SRESET high impedance (MAX = 0.00 x B1 + 20.00) -- 20.00 -- 20.00 -- 20.00 -- 20.00 ns R71 RSTCONF pulse width (MIN = 17.00 x B1) 515.20 -- 425.00 -- 257.60 -- 212.50 -- ns -- -- -- -- -- -- -- -- -- R72 -- Configuration data to HRESET rising edge setup time (MIN = 15.00 x B1 + 50.00) 504.50 -- 425.00 -- 277.30 -- 237.50 -- ns R73 Configuration data to RSTCONF rising edge setup time (MIN = 0.00 x B1 + 350.00) 350.00 -- 350.00 -- 350.00 -- 350.00 -- ns R74 Configuration data hold time after RSTCONF negation (MIN = 0.00 x B1 + 0.00) 0.00 -- 0.00 -- 0.00 -- 0.00 -- ns R75 Configuration data hold time after HRESET negation (MIN = 0.00 x B1 + 0.00) 0.00 -- 0.00 -- 0.00 -- 0.00 -- ns R76 HRESET and RSTCONF asserted to data out drive (MAX = 0.00 x B1 + 25.00) -- 25.00 -- 25.00 -- 25.00 -- 25.00 ns R77 R78 RSTCONF negated to data out high impedance (MAX = 0.00 x B1 + 25.00) -- 25.00 -- 25.00 -- 25.00 -- 25.00 ns CLKOUT of last rising edge before chip three-states HRESET to data out high impedance (MAX = 0.00 x B1 + 25.00) -- 25.00 -- 25.00 -- 25.00 -- 25.00 ns R79 R80 DSDI, DSCK setup (MIN = 3.00 x B1) 90.90 -- 75.00 -- 45.50 -- 37.50 -- ns R81 DSDI, DSCK hold time (MIN = 0.00 x B1 + 0.00) 0.00 -- 0.00 -- 0.00 -- 0.00 -- ns SRESET negated to CLKOUT rising edge for DSDI and DSCK sample (MIN = 8.00 x B1) 242.40 -- 200.00 -- 121.20 -- 100.00 -- ns R82 MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 43 Bus Signal Timing Figure 34 shows the reset timing for the data bus configuration. HRESET R71 R76 RSTCONF R73 R74 R75 D[0:31] (IN) Figure 34. Reset Timing--Configuration from Data Bus Figure 35 provides the reset timing for the data bus weak drive during configuration. CLKOUT R69 HRESET R79 RSTCONF R77 R78 D[0:31] (OUT) (Weak) Figure 35. Reset Timing--Data Bus Weak Drive During Configuration Figure 36 provides the reset timing for the debug port configuration. CLKOUT R70 R82 SRESET R80 R80 R81 R81 DSCK, DSDI Figure 36. Reset Timing--Debug Port Configuration MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 44 Freescale Semiconductor IEEE 1149.1 Electrical Specifications 12 IEEE 1149.1 Electrical Specifications Table 16 provides the JTAG timings for the MPC875/MPC870 shown in Figure 37 through Figure 40. Table 16. JTAG Timing All Frequencies Num Characteristic Unit Min Max J82 TCK cycle time 100.00 -- ns J83 TCK clock pulse width measured at 1.5 V 40.00 -- ns J84 TCK rise and fall times 0.00 10.00 ns J85 TMS, TDI data setup time 5.00 -- ns J86 TMS, TDI data hold time 25.00 -- ns J87 TCK low to TDO data valid -- 27.00 ns J88 TCK low to TDO data invalid 0.00 -- ns J89 TCK low to TDO high impedance -- 20.00 ns J90 TRST assert time 100.00 -- ns J91 TRST setup time to TCK low 40.00 -- ns J92 TCK falling edge to output valid -- 50.00 ns J93 TCK falling edge to output valid out of high impedance -- 50.00 ns J94 TCK falling edge to output high impedance -- 50.00 ns J95 Boundary scan input valid to TCK rising edge 50.00 -- ns J96 TCK rising edge to boundary scan input invalid 50.00 -- ns TCK J82 J83 J82 J83 J84 J84 Figure 37. JTAG Test Clock Input Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 45 IEEE 1149.1 Electrical Specifications TCK J85 J86 TMS, TDI J87 J88 J89 TDO Figure 38. JTAG Test Access Port Timing Diagram TCK J91 J90 TRST Figure 39. JTAG TRST Timing Diagram TCK J92 J94 Output Signals J93 Output Signals J95 J96 Output Signals Figure 40. Boundary Scan (JTAG) Timing Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 46 Freescale Semiconductor CPM Electrical Characteristics 13 CPM Electrical Characteristics This section provides the AC and DC electrical specifications for the communications processor module (CPM) of the MPC875/MPC870. 13.1 Port C Interrupt AC Electrical Specifications Table 17 provides the timings for Port C interrupts. Table 17. Port C Interrupt Timing 33.34 MHz Num Characteristic Unit Min Max 35 Port C interrupt pulse width low (edge-triggered mode) 55 -- ns 36 Port C interrupt minimum time between active edges 55 -- ns Figure 41 shows the Port C interrupt detection timing. 36 Port C (Input) 35 Figure 41. Port C Interrupt Detection Timing 13.2 IDMA Controller AC Electrical Specifications Table 18 provides the IDMA controller timings as shown in Figure 42 through Figure 45. Table 18. IDMA Controller Timing All Frequencies Num 40 1 Characteristic DREQ setup time to clock high high1 Unit Min Max 7 -- ns TBD -- ns 41 DREQ hold time from clock 42 SDACK assertion delay from clock high -- 12 ns 43 SDACK negation delay from clock low -- 12 ns 44 SDACK negation delay from TA low -- 20 ns 45 SDACK negation delay from clock high -- 15 ns 46 TA assertion to rising edge of the clock setup time (applies to external TA) 7 -- ns Applies to high-to-low mode (EDM = 1). MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 47 CPM Electrical Characteristics CLKO (Output) 41 40 DREQ (Input) Figure 42. IDMA External Requests Timing Diagram CLKO (Output) TS (Output) R/W (Output) 42 43 DATA 46 TA (Input) SDACK Figure 43. SDACK Timing Diagram--Peripheral Write, Externally-Generated TA MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 48 Freescale Semiconductor CPM Electrical Characteristics CLKO (Output) TS (Output) R/W (Output) 42 44 DATA TA (Output) SDACK Figure 44. SDACK Timing Diagram--Peripheral Write, Internally-Generated TA CLKO (Output) TS (Output) R/W (Output) 42 45 DATA TA (Output) SDACK Figure 45. SDACK Timing Diagram--Peripheral Read, Internally-Generated TA MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 49 CPM Electrical Characteristics 13.3 Baud Rate Generator AC Electrical Specifications Table 19 provides the baud rate generator timings as shown in Figure 46. Table 19. Baud Rate Generator Timing All Frequencies Num Characteristic Unit Min Max 50 BRGO rise and fall time -- 10 ns 51 BRGO duty cycle 40 60 % 52 BRGO cycle 40 -- ns 50 50 BRGOX 51 51 52 Figure 46. Baud Rate Generator Timing Diagram 13.4 Timer AC Electrical Specifications Table 20 provides the general-purpose timer timings as shown in Figure 47. Table 20. Timer Timing All Frequencies Num Characteristic Unit Min Max 61 TIN/TGATE rise and fall time 10 -- ns 62 TIN/TGATE low time 1 -- clk 63 TIN/TGATE high time 2 -- clk 64 TIN/TGATE cycle time 3 -- clk 65 CLKO low to TOUT valid 3 25 ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 50 Freescale Semiconductor CPM Electrical Characteristics CLKO 60 61 63 62 TIN/TGATE (Input) 61 64 65 TOUT (Output) Figure 47. CPM General-Purpose Timers Timing Diagram 13.5 Serial Interface AC Electrical Specifications Table 21 provides the serial interface (SI) timings as shown in Figure 48 through Figure 52. Table 21. SI Timing All Frequencies Num Characteristic 70 L1RCLKB, L1TCLKB frequency (DSC = 0)1, 2 71 L1RCLKB, L1TCLKB width low (DSC = 0)2 0)3 Unit Min Max -- SYNCCLK/2.5 MHz P + 10 -- ns P + 10 -- ns -- 15.00 ns 71a L1RCLKB, L1TCLKB width high (DSC = 72 L1TXDB, L1ST1 and L1ST2, L1RQ, L1CLKO rise/fall time 73 L1RSYNCB, L1TSYNCB valid to L1CLKB edge (SYNC setup time) 20.00 -- ns 74 L1CLKB edge to L1RSYNCB, L1TSYNCB, invalid (SYNC hold time) 35.00 -- ns 75 L1RSYNCB, L1TSYNCB rise/fall time -- 15.00 ns 76 L1RXDB valid to L1CLKB edge (L1RXDB setup time) 17.00 -- ns 77 L1CLKB edge to L1RXDB invalid (L1RXDB hold time) 13.00 -- ns 78 L1CLKB edge to L1ST1 and L1ST2 valid4 10.00 45.00 ns 78A L1SYNCB valid to L1ST1 and L1ST2 valid 10.00 45.00 ns 79 L1CLKB edge to L1ST1 and L1ST2 invalid 10.00 45.00 ns 80 L1CLKB edge to L1TXDB valid 10.00 55.00 ns L1TSYNCB valid to L1TXDB valid 4 10.00 55.00 ns 80A 81 L1CLKB edge to L1TXDB high impedance 0.00 42.00 ns 82 L1RCLKB, L1TCLKB frequency (DSC = 1) -- 16.00 or SYNCCLK/2 MHz 83 L1RCLKB, L1TCLKB width low (DSC = 1) P + 10 -- ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 51 CPM Electrical Characteristics Table 21. SI Timing (continued) All Frequencies Num Characteristic Unit Min Max 83a L1RCLKB, L1TCLKB width high (DSC = 1)3 P + 10 -- ns 84 L1CLKB edge to L1CLKOB valid (DSC = 1) -- 30.00 ns 85 L1RQB valid before falling edge of L1TSYNCB 4 1.00 -- L1TCLK 42.00 -- ns 42.00 -- ns -- 0.00 ns time2 86 L1GRB setup 87 L1GRB hold time 88 L1CLKB edge to L1SYNCB valid (FSD = 00) CNT = 0000, BYT = 0, DSC = 0) 1 The ratio SYNCCLK/L1RCLKB must be greater than 2.5/1. These specs are valid for IDL mode only. 3 Where P = 1/CLKOUT. Thus, for a 25-MHz CLKO1 rate, P = 40 ns. 4 These strobes and TxD on the first bit of the frame become valid after the L1CLKB edge or L1SYNCB, whichever comes later. 2 L1RCLKB (FE = 0, CE = 0) (Input) 71 70 71a 72 L1RCLKB (FE = 1, CE = 1) (Input) RFSD=1 75 L1RSYNCB (Input) 73 74 L1RXDB (Input) 77 BIT0 76 78 79 L1ST(2-1) (Output) Figure 48. SI Receive Timing Diagram with Normal Clocking (DSC = 0) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 52 Freescale Semiconductor CPM Electrical Characteristics L1RCLKB (FE = 1, CE = 1) (Input) 72 83a 82 L1RCLKB (FE = 0, CE = 0) (Input) RFSD=1 75 L1RSYNCB (Input) 73 74 L1RXDB (Input) 77 BIT0 76 78 79 L1ST(2-1) (Output) 84 L1CLKOB (Output) Figure 49. SI Receive Timing with Double-Speed Clocking (DSC = 1) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 53 CPM Electrical Characteristics L1TCLKB (FE = 0, CE = 0) (Input) 71 70 72 L1TCLKB (FE = 1, CE = 1) (Input) 73 TFSD=0 75 L1TSYNCB (Input) 74 81 80a L1TXDB (Output) BIT0 80 78 79 L1ST(2-1) (Output) Figure 50. SI Transmit Timing Diagram (DSC = 0) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 54 Freescale Semiconductor CPM Electrical Characteristics L1RCLKB (FE = 0, CE = 0) (Input) 72 83a 82 L1RCLKB (FE = 1, CE = 1) (Input) TFSD=0 75 L1RSYNCB (Input) 73 74 L1TXDB (Output) 81 BIT0 80 78a 79 L1ST(2-1) (Output) 78 84 L1CLKOB (Output) Figure 51. SI Transmit Timing with Double Speed Clocking (DSC = 1) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 55 56 L1GRB (Input) L1RQB (Output) L1ST(2-1) (Output) L1RXDB (Input) L1TXDB (Output) L1RSYNCB (Input) L1RCLKB (Input) 80 77 74 2 3 5 72 B15 B14 B13 71 71 4 86 85 76 6 87 B17 B16 B15 B14 B13 B17 B16 73 1 8 78 B12 B11 B10 B12 B11 B10 7 9 D1 D1 10 A A 11 14 15 16 17 18 B25 B24 B23 B22 B21 B20 13 B27 B26 B25 B24 B23 B22 B21 B20 81 B27 B26 12 19 D2 D2 20 M M CPM Electrical Characteristics Figure 52. IDL Timing MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor CPM Electrical Characteristics 13.6 SCC in NMSI Mode Electrical Specifications Table 22 provides the NMSI external clock timing. Table 22. NMSI External Clock Timing All Frequencies Num 1 2 Characteristic Unit Min Max 1/SYNCCLK -- ns 1/SYNCCLK + 5 -- ns -- 15.00 ns 100 RCLK3 and TCLK3 width high1 101 RCLK3 and TCLK3 width low 102 RCLK3 and TCLK3 rise/fall time 103 TXD3 active delay (from TCLK3 falling edge) 0.00 50.00 ns 104 RTS3 active/inactive delay (from TCLK3 falling edge) 0.00 50.00 ns 105 CTS3 setup time to TCLK3 rising edge 5.00 -- ns 106 RXD3 setup time to RCLK3 rising edge 5.00 -- ns 107 RXD3 hold time from RCLK3 rising edge2 5.00 -- ns 108 CD3 setup time to RCLK3 rising edge 5.00 -- ns The ratios SYNCCLK/RCLK3 and SYNCCLK/TCLK3 must be greater than or equal to 2.25/1. Also applies to CD and CTS hold time when they are used as external SYNC signals. Table 23 provides the NMSI internal clock timing. Table 23. NMSI Internal Clock Timing All Frequencies Num 1 2 Characteristic Unit Min Max 100 RCLK3 and TCLK3 frequency1 0.00 SYNCCLK/3 MHz 102 RCLK3 and TCLK3 rise/fall time -- -- ns 103 TXD3 active delay (from TCLK3 falling edge) 0.00 30.00 ns 104 RTS3 active/inactive delay (from TCLK3 falling edge) 0.00 30.00 ns 105 CTS3 setup time to TCLK3 rising edge 40.00 -- ns 106 RXD3 setup time to RCLK3 rising edge 40.00 -- ns 107 RXD3 hold time from RCLK3 rising edge2 0.00 -- ns 108 CD3 setup time to RCLK3 rising edge 40.00 -- ns The ratios SYNCCLK/RCLK3 and SYNCCLK/TCLK3 must be greater or equal to 3/1. Also applies to CD and CTS hold time when they are used as external SYNC signals. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 57 CPM Electrical Characteristics Figure 53 through Figure 55 show the NMSI timings. RCLK3 102 102 101 106 100 RxD3 (Input) 107 108 CD3 (Input) 107 CD3 (SYNC Input) Figure 53. SCC NMSI Receive Timing Diagram TCLK3 102 102 101 100 TxD3 (Output) 103 105 RTS3 (Output) 104 104 CTS3 (Input) 107 CTS3 (SYNC Input) Figure 54. SCC NMSI Transmit Timing Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 58 Freescale Semiconductor CPM Electrical Characteristics TCLK3 102 102 101 100 TxD3 (Output) 103 RTS3 (Output) 104 107 104 105 CTS3 (Echo Input) Figure 55. HDLC Bus Timing Diagram 13.7 Ethernet Electrical Specifications Table 24 provides the Ethernet timings as shown in Figure 56 through Figure 58. Table 24. Ethernet Timing All Frequencies Num Characteristic Unit Min Max 120 CLSN width high 40 -- ns 121 RCLK3 rise/fall time -- 15 ns 122 RCLK3 width low 40 -- ns 123 RCLK3 clock period1 80 120 ns 124 RXD3 setup time 20 -- ns 125 RXD3 hold time 5 -- ns 126 RENA active delay (from RCLK3 rising edge of the last data bit) 10 -- ns 127 RENA width low 100 -- ns 128 TCLK3 rise/fall time -- 15 ns 129 TCLK3 width low 40 -- ns 99 101 ns period1 130 TCLK3 clock 131 TXD3 active delay (from TCLK3 rising edge) -- 50 ns 132 TXD3 inactive delay (from TCLK3 rising edge) 6.5 50 ns 133 TENA active delay (from TCLK3 rising edge) 10 50 ns 134 TENA inactive delay (from TCLK3 rising edge) 10 50 ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 59 CPM Electrical Characteristics Table 24. Ethernet Timing (continued) All Frequencies Num 1 2 Characteristic Unit Min Max 138 CLKO1 low to SDACK asserted2 -- 20 ns 139 2 -- 20 ns CLKO1 low to SDACK negated The ratios SYNCCLK/RCLK3 and SYNCCLK/TCLK3 must be greater than or equal to 2/1. SDACK is asserted whenever the SDMA writes the incoming frame DA into memory. CLSN(CTS1) (Input) 120 Figure 56. Ethernet Collision Timing Diagram RCLK3 121 121 124 123 RxD3 (Input) Last Bit 125 126 127 RENA(CD3) (Input) Figure 57. Ethernet Receive Timing Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 60 Freescale Semiconductor CPM Electrical Characteristics TCLK3 128 128 131 129 121 TxD3 (Output) 132 133 134 TENA(RTS3) (Input) RENA(CD3) (Input) (Note 2) Notes: 1. Transmit clock invert (TCI) bit in GSMR is set. 2. If RENA is negated before TENA or RENA is not asserted at all during transmit, then the CSL bit is set in the buffer descriptor at the end of the frame transmission. Figure 58. Ethernet Transmit Timing Diagram 13.8 SMC Transparent AC Electrical Specifications Table 25 provides the SMC transparent timings as shown in Figure 59. Table 25. SMC Transparent Timing All Frequencies Num 1 Characteristic Unit Min Max 150 SMCLK clock period1 100 -- ns 151 SMCLK width low 50 -- ns 151A SMCLK width high 50 -- ns 152 SMCLK rise/fall time -- 15 ns 153 SMTXD active delay (from SMCLK falling edge) 10 50 ns 154 SMRXD/SMSYNC setup time 20 -- ns 155 RXD1/SMSYNC hold time 5 -- ns SYNCCLK must be at least twice as fast as SMCLK. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 61 CPM Electrical Characteristics SMCLK 152 152 151 151 150 SMTXD (Output) Note 1 154 153 155 SMSYNC 154 155 SMRXD (Input) Note: 1. This delay is equal to an integer number of character-length clocks. Figure 59. SMC Transparent Timing Diagram 13.9 SPI Master AC Electrical Specifications Table 26 provides the SPI master timings as shown in Figure 60 and Figure 61. Table 26. SPI Master Timing All Frequencies Num Characteristic Unit Min Max 160 Master cycle time 4 1024 tcyc 161 Master clock (SCK) high or low time 2 512 tcyc 162 Master data setup time (inputs) 15 -- ns 163 Master data hold time (inputs) 0 -- ns 164 Master data valid (after SCK edge) -- 10 ns 165 Master data hold time (outputs) 0 -- ns 166 Rise time output -- 15 ns 167 Fall time output -- 15 ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 62 Freescale Semiconductor CPM Electrical Characteristics SPICLK (CI = 0) (Output) 161 167 166 161 160 SPICLK (CI = 1) (Output) 163 167 162 SPIMISO (Input) msb 166 Data lsb 165 164 167 SPIMOSI (Output) msb 166 msb Data lsb msb Figure 60. SPI Master (CP = 0) Timing Diagram SPICLK (CI = 0) (Output) 161 167 166 161 160 SPICLK (CI = 1) (Output) 163 167 162 SPIMISO (Input) 166 msb Data 165 lsb 164 167 SPIMOSI (Output) msb msb 166 Data lsb msb Figure 61. SPI Master (CP = 1) Timing Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 63 CPM Electrical Characteristics 13.10 SPI Slave AC Electrical Specifications Table 27 provides the SPI slave timings as shown in Figure 62 and Figure 63. Table 27. SPI Slave Timing All Frequencies Num Characteristic Unit Min Max 170 Slave cycle time 2 -- tcyc 171 Slave enable lead time 15 -- ns 172 Slave enable lag time 15 -- ns 173 Slave clock (SPICLK) high or low time 1 -- tcyc 174 Slave sequential transfer delay (does not require deselect) 1 -- tcyc 175 Slave data setup time (inputs) 20 -- ns 176 Slave data hold time (inputs) 20 -- ns 177 Slave access time -- 50 ns SPISEL (Input) 172 171 174 SPICLK (CI = 0) (Input) 173 182 173 181 170 SPICLK (CI = 1) (Input) 177 181 182 180 SPIMISO (Output) msb 178 Data 175 msb Undef msb 179 176 SPIMOSI (Input) lsb 181 182 Data lsb msb Figure 62. SPI Slave (CP = 0) Timing Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 64 Freescale Semiconductor CPM Electrical Characteristics SPISEL (Input) 172 171 174 170 SPICLK (CI = 0) (Input) 173 182 181 173 181 SPICLK (CI = 1) (Input) 177 182 180 SPIMISO (Output) msb Undef 175 Data 178 msb lsb 179 176 SPIMOSI (Input) msb 181 182 Data msb lsb Figure 63. SPI Slave (CP = 1) Timing Diagram 13.11 I2C AC Electrical Specifications Table 28 provides the I2C (SCL < 100 kHz) timings. Table 28. I2C Timing (SCL < 100 kHZ) All Frequencies Num 200 Characteristic SCL clock frequency (slave) (master)1 Unit Min Max 0 100 kHz 1.5 100 kHz 200 SCL clock frequency 202 Bus free time between transmissions 4.7 -- s 203 Low period of SCL 4.7 -- s 204 High period of SCL 4.0 -- s 205 Start condition setup time 4.7 -- s 206 Start condition hold time 4.0 -- s 207 Data hold time 0 -- s 208 Data setup time 250 -- ns 209 SDL/SCL rise time -- 1 s MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 65 CPM Electrical Characteristics Table 28. I2C Timing (SCL < 100 kHZ) (continued) All Frequencies Num 1 Characteristic Unit Min Max 210 SDL/SCL fall time -- 300 ns 211 Stop condition setup time 4.7 -- s SCL frequency is given by SCL = BRGCLK_frequency/((BRG register + 3) x pre_scalar x 2). The ratio SYNCCLK/(BRGCLK/pre_scalar) must be greater than or equal to 4/1. Table 29 provides the I2C (SCL > 100 kHz) timings. Table 29. I2C Timing (SCL > 100 kHZ) All Frequencies Num 1 Characteristic Expression Unit Min Max 200 SCL clock frequency (slave) fSCL 0 BRGCLK/48 Hz 200 SCL clock frequency (master)1 fSCL BRGCLK/16512 BRGCLK/48 Hz 202 Bus free time between transmissions -- 1/(2.2 x fSCL) -- s 203 Low period of SCL -- 1/(2.2 x fSCL) -- s 204 High period of SCL -- 1/(2.2 x fSCL) -- s 205 Start condition setup time -- 1/(2.2 x fSCL) -- s 206 Start condition hold time -- 1/(2.2 x fSCL) -- s 207 Data hold time -- 0 -- s 208 Data setup time -- 1/(40 x fSCL) -- s 209 SDL/SCL rise time -- -- 1/(10 x fSCL) s 210 SDL/SCL fall time -- -- 1/(33 x fSCL) s 211 Stop condition setup time -- 1/2(2.2 x fSCL) -- s SCL frequency is given by SCL = BRGCLK_frequency/((BRG register + 3) x pre_scalar x 2). The ratio SYNCCLK/(BRGCLK/pre_scalar) must be greater than or equal to 4/1. Figure 64 shows the I2C bus timing. SDA 202 203 205 204 208 207 SCL 206 209 210 211 Figure 64. I2C Bus Timing Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 66 Freescale Semiconductor USB Electrical Characteristics 14 USB Electrical Characteristics This section provides the AC timings for the USB interface. 14.1 USB Interface AC Timing Specifications The USB Port uses the transmit clock on SCC1. Table 30 lists the USB interface timings. Table 30. USB Interface AC Timing Specifications All Frequencies Name Characteristic Unit Min US1 US4 1 USBCLK frequency of operation1 Low speed Full speed Max MHz 6 48 USBCLK duty cycle (measured at 1.5 V) 45 55 % USBCLK accuracy should be 500 ppm or better. USBCLK may be stopped to conserve power. 15 FEC Electrical Characteristics This section provides the AC electrical specifications for the Fast Ethernet controller (FEC). Note that the timing specifications for the MII signals are independent of system clock frequency (part speed designation). Also, MII signals use TTL signal levels compatible with devices operating at either 5.0 or 3.3 V. 15.1 MII and Reduced MII Receive Signal Timing The receiver functions correctly up to a MII_RX_CLK maximum frequency of 25 MHz + 1%. The reduced MII (RMII) receiver functions correctly up to a RMII_REFCLK maximum frequency of 50 MHz + 1%. There is no minimum frequency requirement. In addition, the processor clock frequency must exceed the MII_RX_CLK frequency - 1%. Table 31 provides information on the MII receive signal timing. Table 31. MII Receive Signal Timing Num Characteristic Min Max Unit M1 MII_RXD[3:0], MII_RX_DV, MII_RX_ER to MII_RX_CLK setup 5 -- ns M2 MII_RX_CLK to MII_RXD[3:0], MII_RX_DV, MII_RX_ER hold 5 -- ns M3 MII_RX_CLK pulse width high 35% 65% MII_RX_CLK period M4 MII_RX_CLK pulse width low 35% 65% MII_RX_CLK period M1_RMII RMII_RXD[1:0], RMII_CRS_DV, RMII_RX_ERR to RMII_REFCLK setup 4 -- ns M2_RMII RMII_REFCLK to RMII_RXD[1:0], RMII_CRS_DV, RMII_RX_ERR hold 2 -- ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 67 FEC Electrical Characteristics Figure 65 shows MII receive signal timing. M3 MII_RX_CLK (Input) M4 MII_RXD[3:0] (Inputs) MII_RX_DV MII_RX_ER M1 M2 Figure 65. MII Receive Signal Timing Diagram 15.2 MII and Reduced MII Transmit Signal Timing The transmitter functions correctly up to a MII_TX_CLK maximum frequency of 25 MHz + 1%. There is no minimum frequency requirement. In addition, the processor clock frequency must exceed the MII_TX_CLK frequency - 1%. Table 32 provides information on the MII transmit signal timing. Table 32. MII Transmit Signal Timing Num Characteristic Min Max Unit M5 MII_TX_CLK to MII_TXD[3:0], MII_TX_EN, MII_TX_ER invalid 5 -- ns M6 MII_TX_CLK to MII_TXD[3:0], MII_TX_EN, MII_TX_ER valid -- 25 ns M7 MII_TX_CLK pulse width high 35% 65% MII_TX_CLK period M8 MII_TX_CLK pulse width low 35% 65% MII_TX_CLK period M20_RMII RMII_TXD[1:0], RMII_TX_EN to RMII_REFCLK setup 4 -- ns M21_RMII RMII_TXD[1:0], RMII_TX_EN data hold from RMII_REFCLK rising edge 2 -- ns MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 68 Freescale Semiconductor FEC Electrical Characteristics Figure 66 shows the MII transmit signal timing diagram. M7 MII_TX_CLK (Input) M5 M8 MII_TXD[3:0] (Outputs) MII_TX_EN MII_TX_ER M6 Figure 66. MII Transmit Signal Timing Diagram 15.3 MII Async Inputs Signal Timing (MII_CRS, MII_COL) Table 33 provides information on the MII async inputs signal timing. Table 33. MII Async Inputs Signal Timing Num M9 Characteristic Min Max Unit MII_CRS, MII_COL minimum pulse width 1.5 -- MII_TX_CLK period Figure 67 shows the MII asynchronous inputs signal timing diagram. MII_CRS, MII_COL M9 Figure 67. MII Async Inputs Timing Diagram 15.4 MII Serial Management Channel Timing (MII_MDIO, MII_MDC) Table 34 provides information on the MII serial management channel signal timing. The FEC functions correctly with a maximum MDC frequency in excess of 2.5 MHz. Table 34. MII Serial Management Channel Timing Num Characteristic Min Max Unit M10 MII_MDC falling edge to MII_MDIO output invalid (minimum propagation delay) 0 -- ns M11 MII_MDC falling edge to MII_MDIO output valid (max prop delay) -- 25 ns M12 MII_MDIO (input) to MII_MDC rising edge setup 10 -- ns M13 MII_MDIO (input) to MII_MDC rising edge hold 0 -- ns M14 MII_MDC pulse width high 40% 60% MII_MDC period M15 MII_MDC pulse width low 40% 60% MII_MDC period MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 69 FEC Electrical Characteristics Figure 68 shows the MII serial management channel timing diagram. M14 MM15 MII_MDC (Output) M10 MII_MDIO (Output) M11 MII_MDIO (Input) M12 M13 Figure 68. MII Serial Management Channel Timing Diagram MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 70 Freescale Semiconductor Mechanical Data and Ordering Information 16 Mechanical Data and Ordering Information Table 35 identifies the packages and operating frequencies available for the MPC875/MPC870. Table 35. Available MPC875/MPC870 Packages/Frequencies Package Type Plastic ball grid array ZT suffix--Leaded VR suffix--Lead-Free are available as needed Plastic ball grid array CZT suffix--Leaded CVR suffix--Lead-Free are available as needed Temperature (TJ) Frequency (MHz) Order Number 0C to 95C 66 KMPC875ZT66 KMPC870ZT66 MPC875ZT66 MPC870ZT66 80 KMPC875ZT80 KMPC870ZT80 MPC875ZT80 MPC870ZT80 133 KMPC875ZT133 KMPC870ZT133 MPC875ZT133 MPC870ZT133 66 KMPC875CZT66 KMPC870CZT66 MPC875CZT66 MPC870CZT66 133 KMPC875CZT133 KMPC870CZT133 MPC875CZT133 MPC870CZT133 -40C to 100C MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 71 Mechanical Data and Ordering Information 16.1 Pin Assignments Figure 69 shows the JEDEC pinout of the PBGA package as viewed from the top surface. For additional information, see the MPC885 PowerQUICC Family User's Manual. NOTE The pin numbering starts with B2 in order to conform to the JEDEC standard for 23-mm body size using a 16 x 16 array. NOTE: This is the top view of the device. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 EXTCLK MODCK1 OP0 ALEA IPB0 BURST IRQ6 BR TEA BI CS0 CS3 RSTCONF SRESET BADDR29 OP1 AS ALEB IRQ2 BB TS TA BDIP CS2 CE1A EXTAL BADDR30 IPB1 BG GPLA4 GPLA5 WR CE2A CS7 WE2 WE1 VSSSYN VDDSYN HRESET BADDR28 IRQ4 IRQ3 CS1 GPLB4 CS4 GPLAB2 WE0 BSA1 BSA2 CS6 OE BSA0 BSA3 TSIZ0 A31 WE3 TSIZ1 A26 A22 A18 VDDL A28 A30 A25 A24 A23 A21 A20 A29 A14 A19 A27 A17 A10 A12 A15 A16 MII_MDIO A2 A8 A11 A13 PB26 PB27 A1 A6 A7 A9 B MODCK2 TEXP CS5 N/C C IPA7 GPLAB3 GPLA0 D IPA4 IPA2 D31 IPA5 IPA3 D29 D30 IPA6 D7 D28 CLKOUT D26 IPA0 D22 D6 D24 D25 VDDL D18 D19 D20 D21 D5 D15 D16 D3 D2 D27 WAITA PORESET XTAL E F IPA1 VSSSYN1 VDDL VDDL G VDDH VDDH H VDDH GND VDDH J GND K D14 GND VDDL VDDL L GND VDDH D0 VDDH VDDH M D11 D9 D12 PE18 IRQ0 VDDH IRQ7 PA2 VDDL VDDH N D10 D13 D1 VDDL P D23 D17 IRQ1 PA0 PA4 PE14 PE31 PC6 PA6 PC11 TDO PA15 A3 A5 A4 PE25 PA3 PE19 PE28 PE30 PA11 MII_COL PA7 PA10 TCK PB28 PC15 A0 PB29 PB31 PE22 R D4 D8 T PE26 PD8 PA1 PE27 PE15 PE17 PE21 PC7 PB19 PB24 TDI TMS PC12 N/C PB30 N/C PE20 PE23 MII-TX-EN PE16 PE29 PE24 PC13 MII-CRS PC10 PB23 PB25 TRST GND PA14 N/C U Figure 69. Pinout of the PBGA Package--JEDEC Standard MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 72 Freescale Semiconductor Mechanical Data and Ordering Information Table 36 contains a list of the MPC875/MPC870 input and output signals and shows multiplexing and pin assignments. Table 36. Pin Assignments--JEDEC Standard Name Pin Number Type A[0:31] Bidirectional R16, N14, M14, P15, P17, P16, N15, N16, M15, N17, L14, M16, L15, M17, K14, L16, L17, K17, G17, K15, J16, J15, G16, J14, H17, Three-state (3.3 V only) H16, G15, K16, H14, J17, H15, F17 TSIZ0, REG F16 Bidirectional Three-state (3.3 V only) TSIZ1 G14 Bidirectional Three-state (3.3 V only) RD/WR D13 Bidirectional Three-state (3.3 V only) BURST B9 Bidirectional Three-state (3.3 V only) BDIP, GPL_B5 C13 Output TS C11 Bidirectional Active pull-up (3.3 V only) TA C12 Bidirectional Active pull-up (3.3 V only) TEA B12 Open-drain BI B13 Bidirectional Active pull-up (3.3 V only) IRQ2, RSV C9 Bidirectional Three-state (3.3 V only) IRQ4, KR, RETRY, SPKROUT E9 Bidirectional Three-state (3.3 V only) D[0:31] L5, N3, L3, L2, R2, K2, H3, G2, R3, M3, N2, M2, M4, N4, K5, K3, K4, Bidirectional P3, J2, J3, J4, J5, H2, P2, H4, H5, G5, L4, G3, F2, F3, E2 Three-state (3.3 V only) CR, IRQ3 E10 Input FRZ, IRQ6 B10 Bidirectional Three-state (3.3 V only) BR B11 Bidirectional (3.3 V only) BG D10 Bidirectional (3.3 V only) BB C10 Bidirectional Active pull-up (3.3 V only) IRQ0 M6 Input (3.3 V only) IRQ1 P5 Input (3.3 V only) IRQ7 N5 Input (3.3 V only) CS[0:5] B14, E11, C14, B15, E13, B16 Output MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 73 Mechanical Data and Ordering Information Table 36. Pin Assignments--JEDEC Standard (continued) Name Pin Number Type CS6, CE1_B F12 Output CS7, CE2_B D15 Output WE0, BS_B0, IORD E15 Output WE1, BS_B1, IOWR D17 Output WE2, BS_B2, PCOE D16 Output WE3, BS_B3, PCWE G13 Output BS_A[0:3] F14, E16, E17, F15 Output GPL_A0, GPL_B0 C17 Output OE, GPL_A1, GPL_B1 F13 Output GPL_A[2:3], GPL_B[2:3], CS[2-3] E14, C16 Output UPWAITA, GPL_A4 D11 Bidirectional (3.3 V only) UPWAITB, GPL_B4 E12 Bidirectional GPL_A5 D12 Output PORESET D5 Input (3.3 V only) RSTCONF C3 Input (3.3 V only) HRESET E7 Open-drain SRESET C4 Open-drain XTAL D6 Analog output EXTAL D7 Analog input (3.3 V only) CLKOUT G4 Output EXTCLK B4 Input (3.3 V only) TEXP B3 Output ALE_A B7 Output CE1_A C15 Output CE2_A D14 Output WAIT_A D4 Input (3.3 V only) IP_A0 G6 Input (3.3 V only) IP_A1 F5 Input (3.3 V only) IP_A2, IOIS16_A D3 Input (3.3 V only) IP_A3 E4 Input (3.3 V only) IP_A4 D2 Input (3.3 V only) IP_A5 E3 Input (3.3 V only) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 74 Freescale Semiconductor Mechanical Data and Ordering Information Table 36. Pin Assignments--JEDEC Standard (continued) Name Pin Number Type IP_A6 F4 Input (3.3 V only) IP_A7 C2 Input (3.3 V only) ALE_B, DSCK C8 Bidirectional Three-state (3.3 V only) IP_B[0:1], IWP[0:1], VFLS[0:1] B8, D9 Bidirectional (3.3 V only) OP0 B6 Bidirectional (3.3 V only) OP1 C6 Output OP2, MODCK1, STS B5 Bidirectional (3.3 V only) OP3, MODCK2, DSDO B2 Bidirectional (3.3 V only) BADDR[28:29] E8, C5 Output BADDR30, REG D8 Output AS C7 Input (3.3 V only) PA15, USBRXD P14 Bidirectional PA14, USBOE U16 Bidirectional (Optional: open-drain) PA11, RXD4, MII1-TXD0, RMII1-TXD0 R9 Bidirectional (Optional: open-drain) (5-V tolerant) PA10, MII1-TXERR, TIN4, CLK7 R12 Bidirectional (Optional: open-drain) (5-V tolerant) PA7, CLK1, BRGO1, TIN1 R11 Bidirectional PA6, CLK2, TOUT1 P11 Bidirectional PA4, CTS4, MII1-TXD1, RMII-TXD1 P7 Bidirectional PA3, MII1-RXER, RMII1-RXER, BRGO3 R5 Bidirectional (5-V tolerant) PA2, MII1-RXDV, RMII1-CRS_DV, TXD4 N6 Bidirectional (5-V tolerant) PA1, MII1-RXD0, RMII1-RXD0, BRGO4 T4 Bidirectional (5-V tolerant) PA0, MII1-RXD1, RMII1-RXD1, TOUT4 P6 Bidirectional (5-V tolerant) PB31, SPISEL, MII1-TXCLK, T5 RMII1-REFCLK Bidirectional (Optional: open-drain) (5-V tolerant) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 75 Mechanical Data and Ordering Information Table 36. Pin Assignments--JEDEC Standard (continued) Name Pin Number Type PB30, SPICLK T17 Bidirectional (Optional: open-drain) (5-V tolerant) PB29, SPIMOSI R17 Bidirectional (Optional: open-drain) (5-V tolerant) PB28, SPIMISO, BRGO4 R14 Bidirectional (Optional: open-drain) (5-V tolerant) PB27, I2CSDA, BRGO1 N13 Bidirectional (Optional: open-drain) PB26, I2CSCL, BRGO2 N12 Bidirectional (Optional: open-drain) PB25, SMTXD1 U13 Bidirectional (Optional: open-drain) (5-V tolerant) PB24, SMRXD1 T12 Bidirectional (Optional: open-drain) (5-V tolerant) PB23, SDACK1, SMSYN1 U12 Bidirectional (Optional: open-drain) PB19, MII1-RXD3, RTS4 T11 Bidirectional (Optional: open-drain) PC15, DREQ0, L1ST1 R15 Bidirectional (5-V tolerant) PC13, MII1-TXD3, SDACK1 U9 Bidirectional (5-V tolerant) PC12, MII1-TXD2, TOUT1 T15 Bidirectional (5-V tolerant) PC11, USBRXP P12 Bidirectional PC10, USBRXN, TGATE1 U11 Bidirectional PC7, CTS4, L1TSYNCB, USBTXP T10 Bidirectional (5-V tolerant) PC6, CD4, L1RSYNCB, USBTXN P10 Bidirectional (5-V tolerant) PD8, RXD4, MII-MDC, RMII-MDC T3 Bidirectional (5-V tolerant) PE31, CLK8, L1TCLKB, MII1-RXCLK P9 Bidirectional (Optional: open-drain) PE30, L1RXDB, MII1-RXD2 R8 Bidirectional (Optional: open-drain) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 76 Freescale Semiconductor Mechanical Data and Ordering Information Table 36. Pin Assignments--JEDEC Standard (continued) Name Pin Number Type PE29, MII2-CRS U7 Bidirectional (Optional: open-drain) PE28, TOUT3, MII2-COL R7 Bidirectional (Optional: open-drain) PE27, L1RQB, MII2-RXERR, T6 RMII2-RXERR Bidirectional (Optional: open-drain) PE26, L1CLKOB, MII2-RXDV, RMII2-CRS_DV T2 Bidirectional (Optional: open-drain) PE25, RXD4, MII2-RXD3, L1ST2 R4 Bidirectional (Optional: open-drain) PE24, SMRXD1, BRGO1, MII2-RXD2 U8 Bidirectional (Optional: open-drain) PE23, TXD4, MII2-RXCLK, L1ST1 U4 Bidirectional (Optional: open-drain) PE22, TOUT2, MII2-RXD1, RMII2-RXD1, SDACK1 P4 Bidirectional (Optional: open-drain) PE21, TOUT1, MII2-RXD0, RMII2-RXD0 T9 Bidirectional (Optional: open-drain) PE20, MII2-TXER U3 Bidirectional (Optional: open-drain) PE19, L1TXDB, MII2-TXEN, RMII2-TXEN R6 Bidirectional (Optional: open-drain) PE18, SMTXD1, MII2-TXD3 M5 Bidirectional (Optional: open-drain) PE17, TIN3, CLK5, BRGO3, SMSYN1, MII2-TXD2 T8 Bidirectional (Optional: open-drain) PE16, L1RCLKB, CLK6, U6 MII2-TXCLK, RMII2-REFCLK Bidirectional (Optional: open-drain) PE15, TGATE1, MII2-TXD1, RMII2-TXD1 T7 Bidirectional PE14, MII2-TXD0, RMII2-TXD0 P8 Bidirectional TMS T14 Input (5-V tolerant) TDI, DSDI T13 Input (5-V tolerant) TCK, DSCK R13 Input (5-V tolerant) TRST U14 Input (5-V tolerant) MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 77 Mechanical Data and Ordering Information Table 36. Pin Assignments--JEDEC Standard (continued) Name Pin Number Type TDO, DSDO P13 Output (5-V tolerant) MII1_CRS U10 Input MII_MDIO M13 Bidirectional (5-V tolerant) MII1_TX_EN, RMII1_TX_EN U5 Output (5-V tolerant) MII1_COL R10 Input VSSSYN E5 PLL analog GND VSSSYN1 F6 PLL analog GND VDDSYN E6 PLL analog VDD GND H8, H9, H10, H11, J8, J9, J10, J11, K8, K9, K10, K11, L8, L9, L10, Power L11, U15 VDDL F7, F8, F9, F10, F11, H6, H13, J6, J13, K6, K13, L6, L13, N7, N8, N9, N10, N11 VDDH G7, G8, G9, G10, G11, G12, H7, H12, J7, J12, K7, K12, L7, L12, M7, Power M8, M9, M10, M11, M12 N/C B17, T16, U2, U17 Power No connect MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 78 Freescale Semiconductor Mechanical Data and Ordering Information 16.2 Mechanical Dimensions of the PBGA Package Figure 70 shows the mechanical dimensions of the PBGA package. . NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M--1994. 3. MAXIMUM SOLDER BALL DIAMETER MEASURED PARALLEL TO DATUM A. 4. DATUM A, THE SEATING PLANE, IS DEFINED BY THE SPHERICAL CROWNS OF THE SOLDER BALLS. Note: Solder sphere composition is 95.5%Sn 45%Ag 0.5%Cu for MPC875/MPC870VRXXX. Solder sphere composition is 62%Sn 36%Pb 2%Ag for MPC875/MPC870ZTXXX. Figure 70. Mechanical Dimensions and Bottom Surface Nomenclature of the PBGA Package MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 79 Document Revision History 17 Document Revision History Table 37 lists significant changes between revisions of this hardware specification. Table 37. Document Revision History Revision Number Date 0 2/2003 Initial release. 0.1 3/2003 Took out the time-slot assigner and changed the SCC for SCC3 to SCC4. 0.2 5/2003 Changed the package drawing, removed all references to Data Parity. Changed the SPI Master Timing Specs. 162 and 164. Added the RMII and USB timing. Added the 80-MHz timing. 0.3 5/2003 Made sure the pin types were correct. Changed the Features list to agree with the MPC885. 0.4 5/2003 Corrected the signals that had overlines on them. Made corrections on two pins that were typos. 0.5 5/2003 Changed the pin descriptions for PD8 and PD9. 0.6 5/2003 Changed a few typos. Put back the I2C. Put in the new reset configuration, corrected the USB timing. 0.7 6/2003 Changed the pin descriptions per the June 22 spec, removed Utopia from the pin descriptions, changed PADIR, PBDIR, PCDIR and PDDIR to be 0 in the Mandatory Reset Config. 0.8 8/2003 Added the reference to USB 2.0 to the Features list and removed 1.1 from USB on the block diagrams. 0.9 8/2003 Changed the USB description to full-/low-speed compatible. 1.0 9/2003 Added the DSP information in the Features list. Put a new sentence under Mechanical Dimensions. Fixed table formatting. Nontechnical edits. Released to the external web. 1.1 10/2003 Added TDMb to the MPC875 Features list, the MPC875 Block Diagram, added 13.5 Serial Interface AC Electrical Specifications, and removed TDMa from the pin descriptions. 2.0 12/2003 Changed DBGC in the Mandatory Reset Configuration to X1. Changed the maximum operating frequency to 133 MHz. Put the timing in the 80 MHz column. Put in the orderable part numbers. Rounded the timings to hundredths in the 80 MHz column. Put the pin numbers in footnotes by the maximum currents in Table 6. Changed 22 and 41 in the Timing. Put TBD in the Thermal table. Changes MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 80 Freescale Semiconductor Document Revision History Table 37. Document Revision History (continued) Revision Number Date 3.0 1/07/2004 7/19/2004 4 08/2007 Changes * * * * * Added sentence to Spec B1A about EXTCLK and CLKOUT being in alignment for integer values. Added a footnote to Spec 41 specifying that EDM = 1. Added the thermal numbers to Table 4. Added RMII1_EN under M1II_EN in Table 36, Pin Assignments. Added a table footnote to Table 6, DC Electrical Specifications, about meeting the VIL Max of the I2C Standard. * Put the new part numbers in the Ordering Information Section. * Updated template. * On page 1, updated first paragraph and added a second paragraph. * After Table 2, inserted a new figure showing the undershoot/overshoot voltage (Figure 3) and renumbered the rest of the figures. * In Table 10, for reset timings B29f and B29g added footnote indicating that the formula only applies to bus operation up to 50 MHz. * In Figure 5, changed all reference voltage measurement points from 0.2 and 0.8 V to 50% level. * In Table 18, changed num 46 description to read, "TA assertion to rising edge ..." * In Figure 43, changed TA to reflect the rising edge of the clock. MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 81 Document Revision History THIS PAGE INTENTIONALLY LEFT BLANK MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 82 Freescale Semiconductor Document Revision History THIS PAGE INTENTIONALLY LEFT BLANK MPC875/MPC870 PowerQUICCTM Hardware Specifications, Rev. 4 Freescale Semiconductor 83 How to Reach Us: Home Page: www.freescale.com Web Support: http://www.freescale.com/support USA/Europe or Locations Not Listed: Freescale Semiconductor, Inc. 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