基于51单片机的99.99秒表设计程序源码.zip

上传者: 41017942 | 上传时间: 2021-06-27 15:49:15 | 文件大小: 103KB | 文件类型: ZIP
本设计的数字电子秒表系统采用 AT89S51单片机为中心器件,利用其定时器/计数器定时和记数的原理,结合显示电路、LED数码管以及外部中断电路来设计计时器。将软、硬件有机地结合起来,使得系统能够实现五位LED显示,显示时间为0~99.99秒,计时精度为0.01秒,能正确地进行计时,同时能记录一次时间,并在下一次计时后对上一次计时时间进行查询。硬件仿真电路图如图所示。
附件包含程序源代码。

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