基于51单片机六位数字时钟设计

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1、目录摘要：........................................................................................................................11绪论.........................................................................................................................11.1发展现状...............

2、............................................................................................21.2选题意义...........................................................................................................21.3本文的主要研究内容.....................................................

3、..................................32AT89S51单片机的结构.........................................................................................32.1单片机内部组成...............................................................................................32.2定时/计数器...................

4、...................................................................................42.3并行I/O口.......................................................................................................63电路的硬件设计....................................................................

5、.................................73.1电路原理图.......................................................................................................73.2复位电路...........................................................................................................83.3时钟电路.....

6、......................................................................................................93.4按键电路...........................................................................................................93.5数码管显示电路.............................................

7、................................................104电路的软件设计...................................................................................................104.1软件总体流程图.............................................................................................104.2延时程序说明

8、.........................................................................................