W78C438C_06 Datasheet, PDF (4/22 Pages) Winbond – 8-BIT MICROCONTROLLER

W78C438C
Pin Configurations, continued
T
2
ET
X2
,,
DDDDDDDD
P P PP ^{P PP PP P PP P}
PPPP
1 1 11 ^{1 4 4 4 4 4 4 4 4 V0 0 0 0}
N . . . . . . . . . . . . . D. . . . ^N
C 4 3 21 0 7 6 5 4 3 2 1 0 D0 1 2 3 ^C
NC
NC
NC
NC
P1.5
P1.6
P1.7
RESET
P8.0
P8.1
P8.2
P8.3
P8.4
P8.5
P8.6
P8.7
INT3
INT2
RXD, P3.0
VDD
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
WR, P3.6
NC
NC
NC
NC
1 _{9999999999888888888}
1
0
0
98
76
54
3
210
98
76
54
3
2
1
80
2
79
3
78
4
77
5
76
6
75
7
74
8
73
9
72
10
71
11
70
12
69
13
68
14
67
15
W78C438CF
66
16
65
17
100-pin PQFP
64
18
63
19
62
20
61
21
60
22
59
23
58
24
57
25
56
26
55
27
54
28
53
29
52
30
51
3 3 33 3 3 3 3 34 4 4 4 4 4 4 4 4 4 5
123 45 6 7890 123 45 6 789 0
PX
3. T
7, _A
/
R
D
L
2
X
T
A
L
1
V
S
S
N
C
A
P
7
.
3
,
AAA
PPP
777
...
210
,,,
AA
PP
66
..
76
A
P
6
.
5
A
P
6
.
4
A
P
6
.
3
AA
PP
66
..
21
AP
P2
6. .
00
PP
22
..
12
/ ///
C CCC
S SSS
3 210
NC
NC
NC
NC
P0.4
P0.5
P0.6
P0.7
EA
AP5.0
AP5.1
AP5.2
AP5.3
AP5.4
AP5.5
AP5.6
AP5.7
V ^DD
V SS
ALE
PSEN
P2.7
P2.6
P2.5
P2.4
NC
NC
NC
NC
P2.3
-4-