W78C438C Datasheet, PDF (2/16 Pages) Winbond – 8-BIT MICROCONTROLLER

PIN CONFIGURATIONS
W78C438C
D DD D D D D D
P P P P P P PP P P P P P
P PP PP
1 1 1 1 1 4 44 4 4 4 4 4 V0 00 00
. . . . . N . . . . . . . . N D. . . . .
4 3 2 1 0 C 7 65 4 3 2 1 0C D0 12 34
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
11 98 76 5 4 ₃₂ 1 _{888 88 77 777}
10
432 10 98 765
12
74
13
73
14
72
15
71
16
70
17
69
18
68
19
67
20
66
21
W78C438CP
65
22
64
23
84-pin PLCC
63
24
62
25
61
26
60
27
59
28
58
29
57
30
56
31
55
32
54
33 33 3 334 44 44 44 44 45 55 5
34 56 7 890 12 34 56 78 90 12 3
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
VSS
ALE
PSEN
P2.7
P2.6
P2.5
P2.4
P2.3
PPXX VNAAA A AAA A AA AA PP P
3 3 TT SCPPP P PPP P PP PP 2 2 2
. . AA S 777 7 6 6 6 6 6 6 6 6 . . .
67LL
. . . . . . . . . . . . 01 2
, , 21
321 0 765 4 32 10
//
,,, ,
WR
/// /
RD
CCC C
SSS S
321 0
-2-