【摘要】 介绍一种以AT89C5 1单片机为核心的实用多功能电子时钟设计 .该时钟具有年、月、日、星期、时、分、秒显示和整点音乐报时及定时闹钟等功能 ,也可作电子秒表使用更多还原

【Abstract】 A kind of practical multi function electronic clock is presented. The clock is based on AT89C51 single chip microcomputer and provided with the function of displaying the year, month, day, week, hour, minute and second, announcing the hour on integral point musically and timing clock in fixed time. It can also be used as electronic chronograph.更多还原