PS/2 鍵盤接口定義
PS/2 鍵盤接口為 6 針母插。
Pin?Name?Description
1?DATA?Key Data
2?n/c?Not connected
3?GND?Gnd
4?VCC?+5 VDC
5?CLK?Clock
6?n/c?Not connected
鍵盤接口定義
鍵盤接口為 5 針母插座：
PC/AT 鍵盤接口的引腳定義 PC/XT 鍵盤接口的引腳定義稍有不同：
Pin?Name?Description
1?CLK?Clock
2?DATA?Key Data
3?n/c?Not connected
4?GND?Gnd
5?VCC?+5 VDC
Pin?Name?Description
1?CLK?Clock
2?DATA?Key Data
3?Reset?Reset
4?GND?Gnd
5?VCC?+5 VDC
大口鍵盤（586）接口引腳定義：
鍵盤底視圖：??????????????????????????????????????? PS/2鍵盤和鼠標底視圖：
RESET?????? DATA???????? CLK????????????? +5V????????? 空???????? DATA????? GND
〇?????????? 〇?????????? 〇???????????????? 〇???????? 〇???????? 〇??????? 〇
〇?????????? 〇???????????????????????????????? 〇???????????????????? 〇
+5V????????? GND??????????????????????????? 空???????????????????? CLK