This paper introduces the interface design of AVR microchip MEGA32 and a keyboard display drive chip CH451,and presents realization of the hardware design of MEGA32 controling two CH451 and C program software.

• 介绍MEGA32 AVR单片机和键盘显示驱动芯片CH451的接口设计与实现方法,给出了MEGA32控制两片CH451的硬件设计和C语言软件实现。