W83C43 Datasheet, PDF (11/21 Pages) Winbond – KEYBOARD CONTROLLER

Commands (I/O Address HEX 64) (AT Mode), continued
COMMAND
C0
Read Input Port
D0
Read Output Port
D1
Write Output Port
E0
Read Test Inputs
F0-FF
Pulse Output Port
FUNCTION
Commands (I/O Address HEX 64) (PS/2 Mode)
COMMAND
20
60
FUNCTION
Read Command Byte of Keyboard Controller
Write Command Byte of Keyboard Controller
BIT
BIT DEFINITION
7 Reserved
6 IBM Keyboard Translate Mode
5 Disable Auxiliary Device
4 Disable Keyboard
3 Reserve
2 System Flag
1 Enable Auxiliary Interrupt
0 Enable Keyboard Interrupt
A7
Disable Auxiliary Device Interface
A8
Enable Auxiliary Device Interface
A9
Interface Test
BIT
BIT DEFINITION
00 No Error Detected
01 _{Auxiliary Device "Clock" line is stuck low}
02 Auxiliary Device "Clock" line is stuck high
03 Auxiliary Device "Data" line is stuck low
04 Auxiliary Device "Data" line is stuck low
AA
Self-test
W83C43
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Publication Release Date: January 1996
Revision A2