Rainbow Electronics W78C438C - Manual (Page 2)

W78C438C
- 2 -
PIN CONFIGURATIONS
12
13
14
15
16
17
18
19
20
21
22
23
24
3
3 3
4 3
5 3
6 3
7 3
8 3
9 4
0
60
61
62
63
64
25
26
27
28
29
30
4
1 4
2 4
3 4
4 4
5 4
6 4
7 4
8 4
9 5
0
65
66
67
68
69
70
71
72
73
74
0 1
8 9 1 1
W78C438CP
INT3
P1.5
P1.6
P1.7
RESET
P8.1
P8.0
P8.2
P8.4
P8.5
P8.3
P8.6
P8.7
INT2
RXD, P3.0
VDD
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
P
2
.
2
32
31
5 6 7 1 2 3 4 8
4 8
0 8
1 8
2 8
3 7
6 7
7 7
8 7
9
P
0
.
0 P
0
.
1 P
0
.
2 P
0
.
3
D
P
4
.
1 D
P
4
.
0
N
C
V
D
D
N
C
D
P
4
.
2 D
P
4
.
3 D
P
4
.
4 D
P
4
.
5 D
P
4
.
6 D
P
4
.
7
P
1
.
0 P
1
.
1 P
1
.
2 P
1
.
3 P
1
.
4 P
0
.
4
7
5
5
1
59
58
57
55
56
54
5
2 5
3
P
3
.
7
,
/
R
D X
T
A
L
2 X
T
A
L
1 V
S
S A
P
7
.
3
,
/
C
S
3 A
P
7
.
2
,
/
C
S
2 N
C A
P
7
.
0
,
/
C
S
0 A
P
7
.
1
,
/
C
S
1 A
P
6
.
7 A
P
6
.
6 A
P
6
.
5 A
P
6
.
4 A
P
6
.
3 A
P
6
.
2 A
P
6
.
1 A
P
6
.
0 P
2
.
0 P
2
.
1 P
3
.
6
,
/
W
R
P2.4
P2.5
P2.6
P2.7
EA
PSEN
ALE
AP5.7
AP5.6
AP5.5
AP5.4
AP5.3
AP5.2
AP5.1
V
P2.3
AP5.0
P0.7
P0.6
P0.5
V
84-pin PLCC
DD
SS