毕业设计-基于stc89c52单片机的分时计费智能电表设计（终稿）

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1、智能化测控应用系统设计报告目录1前言...............................................................................................................................12总体方案设计...............................................................................................................22.1方案比较.......................

2、........................................................................................22.1.1方案一...........................................................................................................22.1.2方案二..................................................................................

3、.........................32.2方案比较及选择...................................................................................................43单元模块设计...............................................................................................................53.1各单元模块功能介绍及电路设计.......................

4、................................................53.1.1电源模块电路...............................................................................................53.1.2计量模块电路...............................................................................................53.1.3时钟及LCD显示模块.................

5、..................................................................63.1.4信号采集电路...............................................................................................83.2电路参数的计算元器件的选择...........................................................................93.3特殊器件介绍....................

6、...................................................................................93.3.1AD7755介绍.................................................................................................93.3.2STC89C52单片机介绍................................................................................10

7、3.3.3DS1302时钟芯片介绍................................................................................103.3.4LCD1602液晶显示屏介绍..........................................................................114软件设计...............................