Motorola MC68020 - MC68 EC020 RP Suffix-Pin Assignment

13-8 MC68838 USER’S MANUAL MOTOROLA
11.2.7 MC68EC020 RP Suffix—Pin Assignment
FC0
RMC
SIZ0
AVEC
RESET
CLK
GND
A16
A15
A18
A17
A20
A22
A21
A23
A0
BG
BR
A1
1
2
3
4
5
6
7
8
(BOTTOM VIEW)
N
M
L
K
J
H
G
F
E
D
C
B
A
D31
D29
D28
D26
D24
D22
D19
D30
D27
D23
D21
D18
DS
R/W
D17
AS
DSACK1
BERR
D2
D3
IPL0
D0
GND
IPL2
A3
A5
A6
A7
A8
A9
A10
A12
A11
11
12
13
D16
D15
D13
D11
GND
D14
D12
D9
D8
D6
D7
9
10
A14
A4
SIZ1
GND
D5
D4
A2
MC68EC020
V
CC
V
CC
D25
D20
HALT
DSACK0
FC2
A19
D10
GND
CDIS
FC1
GND
GND
IPL1
D1
V
CC
GND
GND
GND
GND
V
CC
V
CC
GND
GND
V
CC
V
CC
V
CC
V
CC
A13
The V
CC
and GND pins are separated into four groups to provide individual power supply
connections for the address bus buffers, data bus buffers, and all other output buffers and
internal logic. It is recommended that all pins be connected to power and ground as
indicated.
Group V
CC
GND
Address Bus B7, C7 A1, A7, C8, D13
Data Bus K12, M9, N9 J13, L8, M1, M8
Logic D1, D2, E12, E13 F11, F12, J1, J2
Clock — B1