S0
S1
S2
S3
S4
S5
6
S0
S1
S2
S3
S4
S5
8
CLKOUT
A0–A23
FC0–FC2
SIZ0, SIZ1
AS
6
14
11
9
14
11
9
13
17
15
9
12
DS
17
12
21
21
CS
A
18
20
14A
18
46
23
R/W
46
29
25
55
D0–D15
29A
53
54
27
68300 CHIP SEL TIM
NOTE: AS and DS timing shown for reference only.
Figure A-11 Chip Select Timing Diagram
77
78
RESET
75
D0–D15
76
68300 RST/MODE SEL TIM
Figure A-12 Reset and Mode Select Timing Diagram
MC68331
ELECTRICAL CHARACTERISTICS
MOTOROLA
A-19
USER’S MANUAL