机械定时器单片机群检系统

A COMPUTER ON-CHIP GROUP DETECTION SYSTEM USED FOR MECHNICAL TIMER

本文介绍了一种专门用于检测家电产品上所用机械定时器的群检系统。该系统以８０３１单片机为核心，用８２５５Ａ扩展了三个并行接口，外接ＥＰＲＯＭ和ＲＡＭ，键盘，ＬＥＤ显示器等元器件构成。文中给出了系统硬件框图和部分软件框图。

A group detection system specially used to detect the mechnical timers in fami-ly electrical equipments is introduced in this artical.The system consists of the computeron一chip 8031 as microcomputer,8255A as three extended parallel interfaces,EPROM,RAM,Keyboard and LED display.The system design flowcharts of hardware and part ofthe software are also given in this artical.