PS/2标准键盘与单片机的连接

Connection of PS/2 Standard Keyboard and MCU

分析了PS/2标准键盘的通信协议,阐述了其编码的扫描原理,提出了51单片机与PS/2键盘的接口设计,并通过LCD1602显示了键盘的输入情况。

This paper analyzes the communication protocol of PS/2 standard keyboard and describes the encoding of the scanning principle.Besides,the paper also introduces the interface design of 51 MCU and PS/2 keyboard and displays how the keyboard inputs by using 1602 LCD.