V
V
18
19
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
DD
DD
BGACK/CS2
BG/CS1
BR/CS0
CSBOOT
DATA0
DATA1
DATA2
DATA3
NC
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR7
ADDR8
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
V
DD
V
V
V
DD
SS
DATA4
DATA5
DATA6
DATA7
SS
ADDR9
ADDR10
ADDR11
ADDR12
B
V
SS
V
DATA8
DATA9
DATA10
DATA11
MC68331
SS
ADDR13
ADDR14
ADDR15
ADDR16
V
DD
V
V
V
SS
DD
DATA12
DATA13
DATA14
DATA15
SS
ADDR17
ADDR18
PQS0/MISO
PQS1/MOSI
PQS2/SCK
90
89
88
87
86
85
84
ADDR0
PE0/DSACK0
PE1/DSACK1
PE2/AVEC
PE3/RMC
PE5/DS
PQS3/PCS0/SS
PQS4/PCS1
PQS5/PCS2
PQS6/PCS3
V
V
DD
DD
331 132-PIN QFP
Figure B-1 132-Pin Plastic Surface Mount Package Pin Assignments
MOTOROLA
B-2
MECHANICAL DATA AND ORDERING INFORMATION
MC68331
USER’S MANUAL
MOTOROLA [ MOTOROLA ]
