w83c43 Winbond Electronics Corp America, w83c43 Datasheet - Page 8
![no-image](/images/no-image-200.jpg)
w83c43
Manufacturer Part Number
w83c43
Description
Keyboard Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83C43.pdf
(21 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W83C43
Manufacturer:
Winbond
Quantity:
8 831
Part Number:
W83C43
Manufacturer:
WINBOND/华邦
Quantity:
20 000
(A) Input Port Definition (AT Mode), continued
(B) Output Port Definition (AT Mode)
(C) Test-input Port Definition (AT Mode)
Status Register (PS/2 Mode)
BIT
0
1
2
BIT
BIT
BIT
5
6
7
0
1
2
3
4
5
6
7
0
1
Output Buffer Full
Input Buffer Full
System Flag
BIT FUNCTION
Manufacturing Jumper Installed
0: Manufacturing jumper
1: Jumper not installed
Display Type Switch
0: Primary display attached to color/graphics
1: Primary display attached to monochrome
Keyboard Inhibit Switch
0: Keyboard inhibited
1: Keyboard not inhibited
System Reset
Gate A20
Undefined
Undefined
Output Buffer Full
Input Buffer Empty
Keyboard Clock (Output)
Keyboard Data (Output)
Keyboard Clock (Input)
Keyboard Data (Input)
0: Output buffer empty
1: Output buffer full
0: Input buffer empty
1: Input buffer full
This bit may be set to 0 or 1 by writting to the system flag
bit in the command byte of the keyboard controller. It is
set to 0 after a power-on reset.
- 8 -
FUNCTION
FUNCTION
FUNCTION
DESCRIPTION
W83C43