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
0
1
2
3
3
3
3
4
5
3
3
3
6
3
7
8
3
3
9
0
4
0
25
26
27
28
29
30
4
1
2
3
4
5
6
7
8
9
4
4
4
4
4
4
4
4
5
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
8
9
0
1
2
3
4
5
6
7
8
6
5
1
2
3
4
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
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