普通的键盘接口为5针母插座:
键盘接口引脚定义 |
PC/XT 键盘接口管脚定义:
Pin |
Name |
Description |
Technical |
---|---|---|---|
1 |
CLOCK |
Clock |
CLK/CTS, Open-collector |
2 |
DATA |
Data |
RxD/TxD/RTS, Open-collector |
3 |
Reset |
Reset |
|
4 |
GND |
Ground |
|
5 |
VCC |
+5 VDC |
PC/AT 键盘接口引脚定义表:
Pin |
Name |
Description |
Technical |
---|---|---|---|
1 |
CLOCK |
Clock |
CLK/CTS, Open-collector |
2 |
DATA |
Data |
RxD/TxD/RTS, Open-collector |
3 |
n/c |
Not connected |
Reset on some very old keyboards. |
4 |
GND |
Ground |
|
5 |
VCC |
+5 VDC |