w83c43 Winbond Electronics Corp America, w83c43 Datasheet - Page 17

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

TYPICAL APPLICATION CIRCUITS
Application for AT Mode
8042CS#
RESETB
D[0..7]
IORD#
IOWR#
SA2
10
2
3
4
1
39
9
6
5
8
12
13
14
15
16
17
18
19
7
20
X1
X2
RESET
T0
T1
A2
CS
Vcc
RD
WR
D0
D1
D2
D3
D4
D5
D6
D7
GND
GND
KB8042-DIP
P27/KDAT
P26/KCLK
P24/OB
Vcc
Vcc
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P25
NC
NC
40
25
27
28
29
30
31
32
33
34
21
22
23
24
35
36
37
38
11
26
- 17 -
74ALS04
1
RCB
GATE20
RAM SELECT JUMPER
MANUFACTURING MODE JUMPER
KEYBOARD INTERRUPT
2
7407
7407
1
1
Publication Release Date: January 1996
2
2
Vcc
KEYBOARD DATA
KEYBOARD CLOCK
W83C43
Revision A2