Manual

W78C438C
Publication Release Date: July 1998
- 3 - Revision A1
Pin Configurations, continued
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1
2
3
18
19
9
20
21
22
23
24
012
333
345
333
6
3
78
33
90
4
0
25
26
27
28
29
30
4
123 456 78
9
444444445
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
9
7
89012
3
456786512
3
4
888888888999999999
1
0
V
D
D
N
C
P
0
.
3
P
0
.
1
P
0
.
2
P
0
.
0
D
P
4
.
0
D
P
4
.
1
D
P
4
.
2
D
P
4
.
3
D
P
4
.
4
D
P
4
.
5
D
P
4
.
6
D
P
4
.
7
T
2
,
P
1
.
0
P
1
.
2
P
1
.
3
P
1
.
4
N
C
NC
NC
NC
NC
P2.4
P2.5
P2.7
P2.6
V
AP5.7
AP5.6
AP5.5
AP5.4
ALE
AP5.0
PSEN
AP5.1
P0.6
P0.5
P0.4
NC
NC
NC
P0.7
EA
P2.3
AP5.3
AP5.2
NC
V
W78C438CF
X
T
A
L
2
X
T
A
L
1
V
S
S
N
C
P
3 .
7 ,
/
R
D
A
P
7
.
3
,
/
C
S
3
A
P
7
.
2
,
/
C
S
2
A
P
7
.
1
,
/
C
S
1
A
P
6
.
7
A
P
6
.
2
A
P
6
.
1
A
P
6
.
4
A
P
6
.
6
A
P
6
.
3
A
P
6
.
5
A
P
6 .
0
P
2
.
0
P
2
.
1
P
2
.
2
A
P
7
.
0
,
/
C
S
0
NC
NC
NC
NC
NC
P1.7
NC
NC
NC
P1.5
P1.6
P8.0
RESET
P8.1
P8.2
P8.3
P8.4
P8.5
P8.7
P8.6
VDD
RXD, P3.0
TXD, P3.1
T0, P3.4
T1, P3.5
WR, P3.6
INT2
INT3
INT1, P3.3
INT0, P3.2
T
2
E
X
,
P
1
.
1
100-pin PQFP
DD
SS