用单片机控制键盘的程序,利用中断获得键盘扫描码并转换为ASCII码，在1602液晶上显示字符。C语言编写，KEIL环境下编译，键盘驱动写得相当好。-Single-chip microcomputer to control the keyboard with the procedure, the use of interrupted access to the keyboard scan code and converted to ASCII code, in the 1602 character