w83c42 Winbond Electronics Corp America, w83c42 Datasheet - Page 2

• Manufacturer Part Number: w83c42
• Description: Keyboard Controller
• Manufacturer: Winbond Electronics Corp America

PIN CONFIGURATION
40-pin DIP
44-pin PLCC
V
WR
RD
CS
NC
NC
A2
D0
D1
D2
D3
SS
7
8
9
10
11
12
13
14
15
16
17
14
15
X
X
X
X
X
X
X
X
X
X
V
D
D
6
18 19
RESET
X
D
4
X
X
V
OUT
- 2 -
X
V
CS
RD
WR
/
R
E
S
E
T
5
T0
V
DD
D
5
D3
D4
X
NC
D2
D5
D6
IN
A2
D7
X
SS
D0
D1
SS
20
X
O
U
T
4
D
6
X
X
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
X
I
N
3
D
7
X
X
T
0
22 23 24 25 26 27 28
2
V
S
S
X
X
N
C
1
N
C
X
X
V
D
D
44
P
2
0
X
X
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
T
1
43 42 41 40
P
2
1
X
X
P
2
7
P
2
2
X
X
V
T1
P27 (KDAT)
P26 (KCLK)
P25 (IEMP)
P24 (INT)
P17 (KINH)
P16 (DISP)
P15 (JUMP)
P14 (RAM)
P12
P11
NC
V
P23
P22
P21 (GA20)
P20 (RC)
P13
P10
DD
DD
P
2
6
P
2
3
X
X
V
D
D
P
2
5
X
X
39
38
37
36
35
34
33
32
31
30
29
X
X
X
X
X
X
X
X
X
X
X
P24
P17
P16
P15
P14
NC
P13
P12
P11
P10
NC
W83C42