Freescale Semiconductor, Inc. Advance Information AN1812/D Rev. 1, 12/2001 Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 Freescale Semiconductor, Inc... CPD Applications This document describes how to design a platform with a common footprint for the MPC750, MPC755, MPC7400, and MPC7410; that is, it is intended to help design a single board compatible with all of these devices. Although this document contains relevant information, it is not intended to be a complete migration guide for moving from G3- to G4-class systems. As a general note, refer to the appropriate hardware specifications and user’s manual for the specific device under consideration. For this document, the following system definition is assumed for the MPC750, MPC755, MPC7400 and MPC7410: • 64-bit data bus mode • No data retry • Bus operates in 60x mode Note that all the CPUs can run in 60x bus, and the MPC7400 and MPC7410 have the ability to run in an enhanced mode MPX. For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Main Pin Difference 1.1 Main Pin Difference This section includes Table 1 which lists the main differences between the MPC750, MPC755, MPC7400 and MPC7410 and the configuration pins. The MPX bus column provides information for designers to take advantage of the MPX bus mode for future board revisions. Table 1. Main Pin Difference and Configuration Pins Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x Bus MPC7400/ MPC7410 MPX Bus Comment B3 I/O No Connect No Connect SHD[0] SHD[0] Pull-up (in multi CPU system, connect together) 1 B4 I/O No Connect No Connect SHD[1] SHD[1] Pull-up (in multi CPU system, connect together)1 B5 Output No Connect No Connect No Function HIT Pull-up to OVDD1 K9 Output No Connect No Connect No Function DRDY K19 Output No Connect No Connect L2A17 L2A17 Connect to L2 SRAM. A pull-up to L2VODD should be used if MPC750/MPC755 1Mbyte compatibility is required when using 2Mbytes of SRAM. W19 Output No Connect No Connect L2A18 L2A18 Reserved for future expansion A4 Input PLL_CFG[0] PLL_CFG[0] PLL_CFG[0] PLL_CFG[0] A5 Input PLL_CFG[1] PLL_CFG[1] PLL_CFG[1] PLL_CFG[1] A6 Input PLL_CFG[2] PLL_CFG[2] PLL_CFG[2] PLL_CFG[2] See hardware specification document. Should put in a pull up/down pair for each to allow any configuration. A7 Input PLL_CFG[3] PLL_CFG[3] PLL_CFG[3] PLL_CFG[3] F9 Input LSSD_MODE LSSD_MODE LSSD_MODE LSSD_MODE F7 Input L2_TSTCLK L2_TSTCLK L2_TSTCLK L2_TSTCLK F8 Input L1_TSTCLK L1_TSTCLK L1_TSTCLK L1_TSTCLK K11 Input No Connect No Connect CHK CHK VOLDET VOLDET L2OVDD[13] L2OVDD[13] Must be connected to L2OVDD Pull-up to OVDD1 K13 L7 I/O or Output ABB ABB ABB ABB C2 I/O or Output CI CI CI CI C3 I/O or Output WT WT WT WT K5 I/O or Output DBB DBB DBB DBB D1 Input DBWO DBWO DBWO DTI[0] 2 H6 Input DRTRY DRTRY No Function DTI[1]2 2 Pull-up to OVDD Connect to HRESET for no Data retry mode in 60x bus. Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. I/O Voltage Selection Table 1. Main Pin Difference and Configuration Pins (continued) Pin # MPC750 MPC755 MPC7400/ MPC7410 MPX Bus MPC7400/ MPC7410 60x Bus Comment G1 Input DBDIS DBDIS No Function DTI[2]2 Pull-up to OVDD1 A3 Input TLBISYNC TLBISYNC EMODE EMODE Pull-up to OVDD (64-bit 60x bus) W1 No Connect BVSEL BVSEL BVSEL See Table 2 and Table 3 for voltages. A19 No Connect L2VSEL L2VSEL L2VSEL 1 2 Freescale Semiconductor, Inc... Type See the individual hardware specifications document for the recommended resistor value. DTI[0:2] should be pulled low in MPX bus mode to disable re-ordering. 1.2 I/O Voltage Selection This section lists the four footprint power planes and displays the section matrix for the I/O voltages. In addition, the footprint should have four power planes: • Ground • The CPU core voltage, [VDD] • The I/O voltage for the system bus, [OVDD] • The I/O voltage for the L2 SRAM interface, [L2OVDD] The I/O voltages [OVDD and L2OVDD] are selectable on all the CPUs except the MPC750, which supports 3.3V only on both of these interfaces. Table 2 and Table 3 show the selection matrix for the I/O voltages: Table 2. I/O Voltage Selection—BVSEL BVSEL MPC750 MPC755 MPC7400 MPC7410 (Rev E) 0 N/A N/A 1.8V 1.8V HRESET N/A N/A N/A 2.5V 1 N/A OVDD (2.5V/3.3V) 3.3V 3.3V ¬HRESET N/A N/A N/A 3.3V Unconnected (internal pull-up) N/A 2.5V/3.3V 3.3V 3.3V MOTOROLA Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com 3 Freescale Semiconductor, Inc. I/O Voltage Selection Table 3. I/O Voltage Selection—L2VSEL L2VSEL MPC750 MPC755 MPC7400 MPC7410 (Rev E) 0 N/A N/A 1.8V 1.8V HRESET N/A N/A 2.5V 2.5V 1 N/A L2VDD (2.5V/3.3V) 3.3V 2.5V ¬HRESET N/A N/A N/A N/A Unconnected (internal pull-up) N/A 2.5V/3.3V 3.3V 2.5V Freescale Semiconductor, Inc... Table 4 pertains to the remaining pins, and the comments are valid for the common footprint. Table 4. Remaining Pins Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus A13 I/O A[00] A[00] A[00] D2 I/O A[01] A[01] A[01] H11 I/O A[02] A[02] A[02] C1 I/O A[03] A[03] A[03] B13 I/O A[04] A[04] A[04] F2 I/O A[05] A[05] A[05] C13 I/O A[06] A[06] A[06] E5 I/O A[07] A[07] A[07] D13 I/O A[08] A[08] A[08] G7 I/O A[09] A[09] A[09] F12 I/O A[10] A[10] A[10] G3 I/O A[11] A[11] A[11] G6 I/O A[12] A[12] A[12] H2 I/O A[13] A[13] A[13] E2 I/O A[14] A[14] A[14] L3 I/O A[15] A[15] A[15] G5 I/O A[16] A[16] A[16] L4 I/O A[17] A[17] A[17] G4 I/O A[18] A[18] A[18] J4 I/O A[19] A[19] A[19] H7 I/O A[20] A[20] A[20] E1 I/O A[21] A[21] A[21] G2 I/O A[22] A[22] A[22] F3 I/O A[23] A[23] A[23] 4 Comment Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus Comment J7 I/O A[24] A[24] A[24] M3 I/O A[25] A[25] A[25] H3 I/O A[26] A[26] A[26] J2 I/O A[27] A[27] A[27] J6 I/O A[28] A[28] A[28] K3 I/O A[29] A[29] A[29] K2 I/O A[30] A[30] A[30] L2 I/O A[31] A[31] A[31] N3 Input AACK AACK AACK Pull up to OVDD 1 C4 I/O AP[0] AP[0] AP[0] Pulled up to OVDD if not used to reduce noise and power. C5 I/O AP[1] AP[1] AP[1] C6 I/O AP[2] AP[2] AP[2] C7 I/O AP[3] AP[3] AP[3] L6 I/O ARTRY ARTRY ARTRY Pull up to OVDD1 AVDD AVDD AVDD Use filter circuit 2 Pull down if no other master. A8 H1 Input BG BG BG E7 Output BR BR BR C2 Output CI CI CI B8 Input CKSTP_IN CKSTP_IN CKSTP_IN D7 Output CKSTP_OUT CKSTP_OUT CKSTP_OUT E3 Output CLKOUT CLKOUT CLKOUT W12 I/O DH[00] DH[00] D[00] W11 I/O DH[01] DH[01] D[01] V11 I/O DH[02] DH[02] D[02] T9 I/O DH[03] DH[03] D[03] W10 I/O DH[04] DH[04] D[04] U9 I/O DH[05] DH[05] D[05] U10 I/O DH[06] DH[06] D[06] M11 I/O DH[07] DH[07] D[07] M9 I/O DH[08] DH[08] D[08] P8 I/O DH[09] DH[09] D[09] W7 I/O DH[10] DH[10] D[10] P9 I/O DH[11] DH[11] D[11] W9 I/O DH[12] DH[12] D[12] MOTOROLA Pull up to OVDD1 Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com 5 Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus R10 I/O DH[13] DH[13] D[13] W6 I/O DH[14] DH[14] D[14] V7 I/O DH[15] DH[15] D[15] V6 I/O DH[16] DH[16] D[16] U8 I/O DH[17] DH[17] D[17] V9 I/O DH[18] DH[18] D[18] T7 I/O DH[19] DH[19] D[19] U7 I/O DH[20] DH[20] D[20] R7 I/O DH[21] DH[21] D[21] U6 I/O DH[22] DH[22] D[22] W5 I/O DH[23] DH[23] D[23] U5 I/O DH[24] DH[24] D[24] W4 I/O DH[25] DH[25] D[25] P7 I/O DH[26] DH[26] D[26] V5 I/O DH[27] DH[27] D[27] V4 I/O DH[28] DH[28] D[28] W3 I/O DH[29] DH[29] D[29] U4 I/O DH[30] DH[30] D[30] R5 I/O DH[31] DH[31] D[31] M6 I/O DL[00] DL[00] D[32] P3 I/O DL[01] DL[01] D[33] N4 I/O DL[02] DL[02] D[34] N5 I/O DL[03] DL[03] D[35] R3 I/O DL[04] DL[04] D[36] M7 I/O DL[05] DL[05] D[37] T2 I/O DL[06] DL[06] D[38] N6 I/O DL[07] DL[07] D[39] U2 I/O DL[08] DL[08] D[40] N7 I/O DL[09] DL[09] D[41] P11 I/O DL[10] DL[10] D[42] V13 I/O DL[11] DL[11] D[43] U12 I/O DL[12] DL[12] D[44] P12 I/O DL[13] DL[13] D[45] T13 I/O DL[14] DL[14] D[46] 6 Comment Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus Comment W13 I/O DL[15] DL[15] D[47] U13 I/O DL[16] DL[16] D[48] V10 I/O DL[17] DL[17] D[49] W8 I/O DL[18] DL[18] D[50] T11 I/O DL[19] DL[19] D[51] U11 I/O DL[20] DL[20] D[52] V12 I/O DL[21] DL[21] D[53] V8 I/O DL[22] DL[22] D[54] TU1 I/O DL[23] DL[23] D[55] P1 I/O DL[24] DL[24] D[56] V1 I/O DL[25] DL[25] D[57] U1 I/O DL[26] DL[26] D[58] N1 I/O DL[27] DL[27] D[59] R2 I/O DL[28] DL[28] D[60] V3 I/O DL[29] DL[29] D[61] U3 I/O DL[30] DL[30] D[62] W2 I/O DL[31] DL[31] D[63] K1 Input DBG DBG DBG Pull down if no other masters L1 I/O DP[0] DP[0] DP[0] Pulled up if not used to reduce noise and power. P2 I/O DP[1] DP[1] DP[1] M2 I/O DP[2] DP[2] DP[2] V2 I/O DP[3] DP[3] DP[3] M1 I/O DP[4] DP[4] DP[4] N2 I/O DP[5] DP[5] DP[5] T3 I/O DP[6] DP[6] DP[6] R1 I/O DP[7] DP[7] DP[7] B1 I/O GBL GBL GBL Pull up1 D10 GND[01] GND[01] GND[01] Ground for the device D14 GND[02] GND[02] GND[02] D16 GND[03] GND[03] GND[03] D4 GND[04] GND[04] GND[04] D6 GND[05] GND[05] GND[05] E12 GND[06] GND[06] GND[06] E8 GND[07] GND[07] GND[07] MOTOROLA Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com 7 Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus F4 GND[08] GND[08] GND[08] F6 GND[09] GND[09] GND[09] F10 GND[10] GND[10] GND[10] F14 GND[11] GND[11] GND[11] F16 GND[12] GND[12] GND[12] G9 GND[13] GND[13] GND[13] G11 GND[14] GND[14] GND[14] H5 GND[15] GND[15] GND[15] H8 GND[16] GND[16] GND[16] H10 GND[17] GND[17] GND[17] H12 GND[18] GND[18] GND[18] H15 GND[19] GND[19] GND[19] J9 GND[20] GND[20] GND[20] J11 GND[21] GND[21] GND[21] K4 GND[22] GND[22] GND[22] K6 GND[23] GND[23] GND[23] K8 GND[24] GND[24] GND[24] K10 GND[25] GND[25] GND[25] K12 GND[26] GND[26] GND[26] K14 GND[27] GND[27] GND[27] K16 GND[28] GND[28] GND[28] L9 GND[29] GND[29] GND[29] L11 GND[30] GND[30] GND[30] M5 GND[31] GND[31] GND[31] M8 GND[32] GND[32] GND[32] M10 GND[33] GND[33] GND[33] M12 GND[34] GND[34] GND[34] M15 GND[35] GND[35] GND[35] N9 GND[36] GND[36] GND[36] N11 GND[37] GND[37] GND[37] P4 GND[38] GND[38] GND[38] P6 GND[39] GND[39] GND[39] P10 GND[40] GND[40] GND[40] P14 GND[41] GND[41] GND[41] 8 Comment Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus P16 GND[42] GND[42] GND[42] R8 GND[43] GND[43] GND[43] R12 GND[44] GND[44] GND[44] T4 GND[45] GND[45] GND[45] T6 GND[46] GND[46] GND[46] T10 GND[47] GND[47] GND[47] T14 GND[48] GND[48] GND[48] T16 GND[49] GND[49] GND[49] Comment B6 Input HRESET HRESET HRESET Driven constantly from reset controller C11 Input INT INT INT Pull up if not driven constantly L17 Output L2ADDR[0] L2ADDR[0] L2A[00] L18 Output L2ADDR[1] L2ADDR[1] L2A[01] L19 Output L2ADDR[2] L2ADDR[2] L2A[02] M19 Output L2ADDR[3] L2ADDR[3] L2A[03] K18 Output L2ADDR[4] L2ADDR[4] L2A[04] K17 Output L2ADDR[5] L2ADDR[5] L2A[05] K15 Output L2ADDR[6] L2ADDR[6] L2A[06] J19 Output L2ADDR[7] L2ADDR[7] L2A[07] J18 Output L2ADDR[8] L2ADDR[8] L2A[08] J17 Output L2ADDR[9] L2ADDR[9] L2A[09] J16 Output L2ADDR[10] L2ADDR[10] L2A[10] H18 Output L2ADDR[11] L2ADDR[11] L2A[11] H17 Output L2ADDR[12] L2ADDR[12] L2A[12] J14 Output L2ADDR[13] L2ADDR[13] L2A[13] J13 Output L2ADDR[14] L2ADDR[14] L2A[14] H19 Output L2ADDR[15] L2ADDR[15] L2A[15] G18 Output L2ADDR[16] L2ADDR[16] L2A[16] L2AVDD L2AVDD L2AVDD L13 P17 Output L2CE L2CE L2CE N15 Output L2CLKOUTA L2CLKOUTA L2CLKOUTA L16 Output L2CLKOUTB L2CLKOUTB L2CLKOUTB U14 I/O L2DATA[0] L2DATA[0] L2D[00] R13 I/O L2DATA[1] L2DATA[1] L2D[01] W14 I/O L2DATA[2] L2DATA[2] L2D[02] MOTOROLA Use filter circuit2 Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com 9 Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus W15 I/O L2DATA[3] L2DATA[3] L2D[03] V15 I/O L2DATA[4] L2DATA[4] L2D[04] U15 I/O L2DATA[5] L2DATA[5] L2D[05] W16 I/O L2DATA[6] L2DATA[6] L2D[06] V16 I/O L2DATA[7] L2DATA[7] L2D[07] W17 I/O L2DATA[8] L2DATA[8] L2D[08] V17 I/O L2DATA[9] L2DATA[9] L2D[09] U17 I/O L2DATA[10] L2DATA[10] L2D[10] W18 I/O L2DATA[11] L2DATA[11] L2D[11] V18 I/O L2DATA[12] L2DATA[12] L2D[12] U18 I/O L2DATA[13] L2DATA[13] L2D[13] V19 I/O L2DATA[14] L2DATA[14] L2D[14] U19 I/O L2DATA[15] L2DATA[15] L2D[15] T18 I/O L2DATA[16] L2DATA[16] L2D[16] T17 I/O L2DATA[17] L2DATA[17] L2D[17] R19 I/O L2DATA[18] L2DATA[18] L2D[18] R18 I/O L2DATA[19] L2DATA[19] L2D[19] R17 I/O L2DATA[20] L2DATA[20] L2D[20] R15 I/O L2DATA[21] L2DATA[21] L2D[21] P19 I/O L2DATA[22] L2DATA[22] L2D[22] P18 I/O L2DATA[23] L2DATA[23] L2D[23] P13 I/O L2DATA[24] L2DATA[24] L2D[24] N14 I/O L2DATA[25] L2DATA[25] L2D[25] N13 I/O L2DATA[26] L2DATA[26] L2D[26] N19 I/O L2DATA[27] L2DATA[27] L2D[27] N17 I/O L2DATA[28] L2DATA[28] L2D[28] M17 I/O L2DATA[29] L2DATA[29] L2D[29] M13 I/O L2DATA[30] L2DATA[30] L2D[30] M18 I/O L2DATA[31] L2DATA[31] L2D[31] H13 I/O L2DATA[32] L2DATA[32] L2D[32] G19 I/O L2DATA[33] L2DATA[33] L2D[33] G16 I/O L2DATA[34] L2DATA[34] L2D[34] G15 I/O L2DATA[35] L2DATA[35] L2D[35] G14 I/O L2DATA[36] L2DATA[36] L2D[36] 10 Comment Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus G13 I/O L2DATA[37] L2DATA[37] L2D[37] F19 I/O L2DATA[38] L2DATA[38] L2D[38] F18 I/O L2DATA[39] L2DATA[39] L2D[39] F13 I/O L2DATA[40] L2DATA[40] L2D[40] E19 I/O L2DATA[41] L2DATA[41] L2D[41] E18 I/O L2DATA[42] L2DATA[42] L2D[42] E17 I/O L2DATA[43] L2DATA[43] L2D[43] E15 I/O L2DATA[44] L2DATA[44] L2D[44] D19 I/O L2DATA[45] L2DATA[45] L2D[45] D18 I/O L2DATA[46] L2DATA[46] L2D[46] D17 I/O L2DATA[47] L2DATA[47] L2D[47] C18 I/O L2DATA[48] L2DATA[48] L2D[48] C17 I/O L2DATA[49] L2DATA[49] L2D[49] B19 I/O L2DATA[50] L2DATA[50] L2D[50] B18 I/O L2DATA[51] L2DATA[51] L2D[51] B17 I/O L2DATA[52] L2DATA[52] L2D[52] A18 I/O L2DATA[53] L2DATA[53] L2D[53] A17 I/O L2DATA[54] L2DATA[54] L2D[54] A16 I/O L2DATA[55] L2DATA[55] L2D[55] B16 I/O L2DATA[56] L2DATA[56] L2D[56] C16 I/O L2DATA[57] L2DATA[57] L2D[57] A14 I/O L2DATA[58] L2DATA[58] L2D[58] A15 I/O L2DATA[59] L2DATA[59] L2D[59] C15 I/O L2DATA[60] L2DATA[60] L2D[60] B14 I/O L2DATA[61] L2DATA[61] L2D[61] C14 I/O L2DATA[62] L2DATA[62] L2D[62] E13 I/O L2DATA[63] L2DATA[63] L2D[63] V14 I/O L2DP[0] L2DP[0] L2DP[0] U16 I/O L2DP[1] L2DP[1] L2DP[1] T19 I/O L2DP[2] L2DP[2] L2DP[2] N18 I/O L2DP[3] L2DP[3] L2DP[3] H14 I/O L2DP[4] L2DP[4] L2DP[4] F17 I/O L2DP[5] L2DP[5] L2DP[5] C19 I/O L2DP[6] L2DP[6] L2DP[6] MOTOROLA Comment Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com 11 Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Pin # Freescale Semiconductor, Inc... B15 Type I/O MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus L2DP[7] L2DP[7] L2DP[7] D15 L2OVDD[01] L2OVDD[01] L2OVDD[01] E14 L2OVDD[02] L2OVDD[02] L2OVDD[02] E16 L2OVDD[03] L2OVDD[03] L2OVDD[03] H16 L2OVDD[04] L2OVDD[04] L2OVDD[04] J15 L2OVDD[05] L2OVDD[05] L2OVDD[05] L15 L2OVDD[06] L2OVDD[06] L2OVDD[06] M16 L2OVDD[07] L2OVDD[07] L2OVDD[07] P15 L2OVDD[08] L2OVDD[08] L2OVDD[08] R14 L2OVDD[09] L2OVDD[09] L2OVDD[09] R16 L2OVDD[10] L2OVDD[10] L2OVDD[10] T15 L2OVDD[11] L2OVDD[11] L2OVDD[11] F15 L2OVDD[12] L2OVDD[12] L2OVDD[12] Comment Level 2 cache I/O voltage L14 Input L2SYNC_IN L2SYNC_IN L2SYNC_IN Connected to L2SYNC_OUT with a trace length equal to the address and data for L2 SRAMs M14 Output L2SYNC_OUT L2SYNC_OUT L2SYNC_OUT Connected to L2SYNC_IN with a trace length equal to the address and data for L2 SRAMs N16 L2WE L2WE L2WE G17 L2ZZ L2ZZ L2ZZ B11 MCP MCP MCP 12 Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus D5 OVDD[00] OVDD[00] OVDD[00] D8 OVDD[01] OVDD[01] OVDD[01] D12 OVDD[02] OVDD[02] OVDD[02] E4 OVDD[03] OVDD[03] OVDD[03] E6 OVDD[04] OVDD[04] OVDD[04] E9 OVDD[05] OVDD[05] OVDD[05] E11 OVDD[06] OVDD[06] OVDD[06] F5 OVDD[07] OVDD[07] OVDD[07] H4 OVDD[08] OVDD[08] OVDD[08] J5 OVDD[09] OVDD[09] OVDD[09] L5 OVDD[10] OVDD[10] OVDD[10] M4 OVDD[11] OVDD[11] OVDD[11] P5 OVDD[12] OVDD[12] OVDD[12] R4 OVDD[13] OVDD[13] OVDD[13] R6 OVDD[14] OVDD[14] OVDD[14] R9 OVDD[15] OVDD[15] OVDD[15] R11 OVDD[16] OVDD[16] OVDD[16] T5 OVDD[17] OVDD[17] OVDD[17] T8 OVDD[18] OVDD[18] OVDD[18] T12 OVDD[19] OVDD[19] OVDD[19] Comment System bus I/O voltage. Pull up if unused1 B2 Input QACK QACK QACK J3 Output QREQ QREQ QREQ D3 Output RSRV RSRV RSRV Put to test point useful for debug. A12 Input SMI SMI SMI Pull up if not driven constantly1 E10 Input SRESET SRESET SRESET Pull up if not driven constantly1 H9 Input SYSCLK SYSCLK SYSCLK F1 Input TA TA TA Pull up1 A2 Input TBEN TBEN TBEN Pull up if not driven constantly1 A11 I/O TBST TBST TBST Pull up1 B10 Input TCK TCK TCK B7 Input TDI TDI TDI D9 Output TD0 TD0 TD0 J1 Input TEA TEA TEA Pull up1 C8 Input TMS TMS TMS Pull up 13 Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. I/O Voltage Selection Table 4. Remaining Pins (continued) Freescale Semiconductor, Inc... Pin # Type MPC750 MPC755 MPC7400/ MPC7410 60x or MPX Bus Comment A10 Input TRST TRST TRST Connect to HRESET directly if JTAG or COP not used or via logic. K7 I/O TS TS TS Pull up1 A9 Output TSIZ[0] TSIZ[0] TSIZ[0] B9 Output TSIZ[1] TSIZ[1] TSIZ[1] C9 Output TSIZ[2] TSIZ[2] TSIZ[2] C10 I/O TT[0] TT[0] TT[0] D11 I/O TT[1] TT[1] TT[1] B12 I/O TT[2] TT[2] TT[2] C12 I/O TT[3] TT[3] TT[3] F11 I/O TT[4] TT[4] TT[4] C3 Output WT WT WT G8 VDD[00] VDD[00] VDD[00] G10 VDD[01] VDD[01] VDD[01] G12 VDD[02] VDD[02] VDD[02] J8 VDD[03] VDD[03] VDD[03] J10 VDD[04] VDD[04] VDD[04] J12 VDD[05] VDD[05] VDD[05] L8 VDD[06] VDD[06] VDD[06] L10 VDD[07] VDD[07] VDD[07] L12 VDD[08] VDD[08] VDD[08] N8 VDD[09] VDD[09] VDD[09] N10 VDD[10] VDD[10] VDD[10] N12 VDD[11] VDD[11] VDD[11] 1 2 14 Pull up1 CPU core voltage See the individual hardware specifications document for the recommended resistor value. See the individual hardware specifications document for more information. Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. Revision History 1.3 Revision History Table 5 shows this document’s revision history. Table 5. Document Revision History Revision Number 0, 0.1 Internal releases Initial public release Freescale Semiconductor, Inc... 1 Significant Changes 15 Common Footprint for the MPC750, MPC755, MPC7400, and MPC7410 For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. HOW TO REACH US: USA/EUROPE/LOCATIONS NOT LISTED: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217 1-303-675-2140 or 1-800-441-2447 JAPAN: Freescale Semiconductor, Inc... Motorola Japan Ltd.; SPS, Technical Information Center, 3-20-1, Minami-Azabu Minato-ku, Tokyo 106-8573 Japan 81-3-3440-3569 Information in this document is provided solely to enable system and software implementers to use ASIA/PACIFIC: Motorola products. There are no express or implied copyright licenses granted hereunder to design Motorola Semiconductors H.K. 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