基于EPROM芯片构成的单片机键盘接口电路

Interfacial Circuit for Singlechip Keybord Based on EPROM Chip

本文以TA89C5 2单片机为例 ,基于可编程只读存储器EPROM2 716芯片构成了一种单片机的键盘接口电路 ,介绍了它的工作原理 。

In this paper a kind of interfacial circuit based on EPROM 2716 for singlechip(TA89C52 as an example)keyboard was designed.The principle for the circuit was introduced,its diagram was pictured and its program was listed.