w83c43 Winbond Electronics Corp America, w83c43 Datasheet - Page 10

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

Output Port Definition, continued
Test-input Port Definition
Commands (I/O Address HEX 64) (AT Mode)
COMMAND
BIT
BIT
AA
AB
AD
AE
20
60
4
5
6
7
0
1
Keyboard Output Buffer Full Interrupt
Mouse Output Buffer Full Interrupt
Keyboard Clock Output
Keyboard Data Output
Keyboard Clock Input
Mouse Clock Input
Read Command Byte of Keyboard Controller
Write Command Byte of Keyboard Controller
Self-test
Interface Test
Disable Keyboard Feature
Enable Keyboard Interface
BIT
BIT
7
6
5
4
3
2
1
0
00
01
02
03
04
Reserved
IBM PC Compatible Mode
IBM PC Mode
Disable Keyboard
Inhibit Override
System Flag
Reserved
Enable Output Buffer Full Interrupt
No Error Detected
K/B Clock Line is Stuck Low
K/B Clock Line is Stuck High
K/B Data Line is Stuck Low
K/B Data Line is Stuck High
BIT DEFINITION
BIT DEFINITION
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FUNCTION
FUNCTION
FUNCTION
W83C43