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Last update: 6 February 2005

IC number:MC68040, MC68EC040
IC function:32-bit microprocessor
Related components:MC68000, MC68020, MC68EC020, MC68030, MC68EC030, MC68851, MC68881, MC68882 (predecessors)

Component documentation
IC numberManufacturerDocumentation
MC68040, MC68EC040Motorola (now Freescale)Web page, User's Manual (PDF), User's Manual addendum (PDF), Programmer's Reference Manual (PDF), Programmer's Reference Manual Errata

Component versions
IC numberPackageSpeedFPUCBM part numberCBM part description
MC68040RC25179-Pin Ceramic PGA 18 × 1825 MHzYes390796-01MC68040
MC68EC040RC25179-Pin Ceramic PGA 18 × 1825 MHzNo391466-01MC68EC040

Positions
DevicePositionPackageSpeed
68040 CPU cardU102PGA25 MHz

Pinout
PinTypeNameSignal name
GridNumber68040 CPU card
A11I/OA31040A31 via RP101
A2..A62..6I/OD3..D7040D3..040D7
A7..A137..13I/OD9..D15040D9..040D15
A1414I/OD17040D17
A15..A1715..17I/OD19..D21040D19..040D21
A1818I/OD24040D24
B119I/OA29040A29 via RP101
B220PowerGNDGND
B321I/OD1040D1
B422PowerGNDGND
B523PowerVCC+5V
B624PowerGNDGND
B725I/OD8040D8
B826PowerGNDGND
B927PowerVCC+5V
B1028PowerGNDGND
B1129I/OD16040D16
B1230I/OD18040D18
B1331PowerGNDGND
B1432PowerVCC+5V
B1533PowerGNDGND
B1634I/OD22040D22
B1735PowerGNDGND
B1836I/OD26040D26
C137I/OA27040A27 via RP102
C238PowerVCC+5V
C339I/OD0040D0
C440I/OD2040D2
C541PowerVCC+5V
C6..C742..43PowerGNDGND
C844PowerVCC+5V
C945PowerGNDGND
C1046PowerVCC+5V
C1147PowerGNDGND
C1248PowerVCC+5V
C1349PowerGNDGND
C1450PowerVCC+5V
C1551I/OD23040D23
C1652I/OD25040D25
C1753PowerVCC+5V
C1854I/OD28040D28
D155I/OA24040A24 via RP102
D256PowerGNDGND
D357I/OA23040A23 via RP103
D1658I/OD27040D27
D1759PowerGNDGND
D1860I/OD31040D31
E161I/OA22040A22 via RP103
E262I/OA26040A26 via RP102
E363I/OA28040A28 via RP101
E16..E1764..65I/OD29..D30040D29..040D30
E1866I/OA8040A8 via RP106
F167I/OA21040A21 via RP103
F268PowerGNDGND
F369I/OA25040A25 via RP102
F1670I/OA9040A9 via RP106
F1771PowerGNDGND
F1872I/OA7040A7 via RP107
G173I/OA20040A20 via RP103
G274PowerVCC+5V
G375I/OA23040A23 via RP103
G1676I/OA6040A6 via RP107
G1777PowerVCC+5V
G1878I/OA5040A5 via RP107
H179I/OA18040A18 via RP104
H280PowerGNDGND
H381PowerVCC+5V
H1682PowerVCC+5V
H1783PowerGNDGND
H1884I/OA4040A4 via RP107
J185I/OA17040A17 via RP104
J286I/OA19040A19 via RP104
J387PowerVCC+5V
J1688PowerVCC+5V
J17..J1889..90I/OA2..A3040A2..040A3 via RP108
K1..K291..92I/OA15..A16040A15..040A16 via RP105..RP104
K393PowerGNDGND
K1694PowerGNDGND
K1795OutputTM2TM2
K1896I/OA1040A1 via RP108
L197I/OA14040A14 via RP105
L2..L398..99PowerGNDGND
L16100PowerVCC+5V
L17101PowerGNDGND
L18102I/OA0040A0 via RP108
M1103I/OA13040A13 via RP105
M2..M3104..105PowerVCC+5V
M16106PowerGNDGND
M17107PowerVCC+5V
M18108OutputTM1TM1
N1109I/OA12040A12 via RP105
N2110PowerGNDGND
N3111I/OA11040A11 via RP106
N16112I/OR/_WR_W040
N17113PowerGNDGND
N18114OutputTM0TM0
P1115I/OA10040A10 via RP106
P2..P3116..116I/OTT1..TT0TT1..TT0
P16..P17118..119I/OSIZ1..SIZ0SIZ1..SIZ0 via R107..R108
P18120OutputTLN1unused
Q1121OutputUPA1unused
Q2122PowerGNDGND
Q3123OutputUPA0unused
Q16124Output_MIunused
Q17125PowerGNDGND
Q18126OutputTLN0unused
R1127Output_CIOUT_040CIOUT
R2128PowerVCC+5V
R3129Output_RSTO_RESET via U104
R4130PowerGNDGND
R5131PowerVCC+5V
R6132PowerGNDGND
R7133InputBCLKBCLK
R8134PowerVCC+5V
R9135InputPCLKPCLK
R10..R11136..137PowerGNDGND
R12138PowerVCC+5V
R13139PowerGNDGND
R14140OutputPST2unused
R15141Output_TIPunused
R16142I/O_TS_TS via FB100
R17143PowerVCC+5V
R18144Output_LOCKE_LOCKE
S1145Output_IPEND_040IPEND
S2146PowerGNDGND
S3147InputTDIGND via RP100
S4148InputTCKGND via RP100
S5149InputTMSGND via RP100
S6150Input_MDISGND via R105
S7151Input_RSTI_RSTI
S8152PowerVCC+5V
S9..S10153..154PowerGNDGND
S11155Input_TBIGND via RP100
S12156I/OSC1PUP1
S13157Input_TEA_TEA
S14158OutputPST1unused
S15159PowerGNDGND
S16160PowerVCC+5V
S17161PowerGNDGND
S18162Output_LOCK_LOCK
T2163OutputTDOunused
T3164Input_TRSTGND via RP100
T4165PowerGNDGND
T5166Input_CDISGND via R106
T6..T8167..169Input_IPL2.._IPL0_040IPL2.._040IPL0
T9170InputDLEGND
T10171Input_TCI_TCI
T11172Input_AVEC_AVEC040
T12173I/OSC0PUP1
T13174Input_BG_BG040
T14175I/OTA_TA
T15176OutputPST0unused
T16177OutputPST2unused
T17178I/O_BB_BB040
T18179Output_BR_BR040

Copyright © 2002-2005 Ronald van Dijk - All rights reserved