本科毕业论文-—多通道电压检测系统的硬件设计.doc

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1、滨江学院毕业论文（设计）题目多通道电压检测系统的硬件设计院系电子工程系专业电子信息工程学生姓名学号指导教师职称副教授二Ｏ一四年五月二十日目录1绪论......................................................21.1课题的提出及意义...........................................................21.2设计的任务及要求...........................................................21.3设计思路及方案......

2、.......................................................22系统设计....................................................22.1系统框图...................................................................22.2系统工作原理...............................................................33系统硬件设计.................

3、...............................33.1单片机部分.................................................................33.1.1ATmega16单片机......................................................43.1.2ATmega16各管脚功能及片内性能........................................43.1.3PC通信....................................

4、..........................53.1.4单片机硬件资源分配...................................................63.2电源与晶振，复位电路部分...................................................83.2.1电源部分.............................................................83.2.2晶振电路..............................................

5、...............93.2.3复位电路............................................................103.3PC通信电路...............................................................113.4数码管显示部分............................................................113.5LED显示灯............................................

6、....................123.6按键部分.................................................................133.774HC20....................................................................143.8DSI302时钟部分...........................................................154Protel99se软件使用......................

7、...................164.1Protel99se元件库制作.....................................................174.2Protel99se原理图制作.....................................................174.3Protel99se元件库封装.....................................................194.4Protel99sePCB版图绘制........................