參數(shù)資料
型號(hào): W83C45P
英文描述: Keyboard Controller
中文描述: 鍵盤控制器
文件頁數(shù): 10/15頁
文件大小: 89K
代理商: W83C45P
W83C42
- 10 -
Input Port Definitions, continued
BIT
FUNCTION
6
Display Type Switch
0: Primary Display Attached to Color/graphics
0: Primary Display Attached to Monochrome
7
Keyboard Inhibit Switch
0: Keyboard Inhibited
1: Keyboard Not Inhibited
(B) Output Port Definitions
BIT
FUNCTION
0
System Reset
1
Gate A20
2
Undefined
3
Undefined
4
Output Buffer Full
5
Input Buffer Empty
6
Keyboard Clock (Output)
7
Keyboard Data (Output)
(C) Test-Input Definitions
BIT
FUNCTION
0
Keyboard Clock (Input)
1
Keyboard Data (Input)
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