PS/2 鼠标接口定義

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    PS/2 鼠标接口爲 6 針母插，外觀爲：
6 PIN MINI-DIN FEMALE

引腳定義

　

Pin Name Dir Description
1 DATA <-> Key Data
2 n/c - Not connected
3 GND --- Gnd
4 VCC --> Power , +5 VDC
5 CLK --> Clock
6 n/c - Not connected