w83c43 Winbond Electronics Corp America, w83c43 Datasheet - Page 2

• Manufacturer Part Number: w83c43
• Description: Keyboard Controller
• Manufacturer: Winbond Electronics Corp America

PIN CONFIGURATIONS
44-pin PLCC
40-pin DIP
GND
WR
RD
NC
CS
NC
D0
D1
D2
D3
A2
RESET
7
8
9
10
11
12
13
14
15
16
17
18
D
4
- 2 -
GND
GND
V
c
c
6
Vcc
WR
RD
CS
NC
D0
D1
D2
D3
D4
D5
D6
D7
A2
19
T0
X1
X2
D
5
/
R
E
S
E
T
5
20
X
2
D
6
4
21
X
1
D
7
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
T
0
G
N
D
2
23
N
C
N
C
1 44 43 42 41
24
V
c
c
P
2
0
25
P
2
1
T
1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
26
P
2
2
P
2
7
27
P
2
3
P
2
6
28
Vcc
T1
P27 (KDAT)
P26 (KCLK)
P25 (IEMP/MINT)
P24 (KINT)
P17 (KINH)
P16 (DISP)
P15 (JUMP)
P14 (RAM)
P13
P12
P11
P10
NC
Vcc
P23 (NC/MCLK)
P22 (NC/MDAT)
P21 (GA20)
P20 (RC)
40
V
c
c
P
2
5
39
38
37
36
35
34
33
32
31
30
29
P24
P17
P16
P15
P14
NC
P13
P12
P11
P10
NC
W83C43