数字电压表设计.doc

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1、《单片机课程设计》设计报告设计题目：姓名：设计时间：2010-12-28备注：26目录1．引言···············································22．概述·······················································22．1实验要求··············································22．2实验目的··············································22．3实验器材·

2、·············································23．总体设计方案················································33．1系统的总体结构···········································33．2芯片的选择···············································43．3ADC0809的主要性能指标··································44．硬件电路

3、设计················································64．1AT89S52单片机最小系统··································6264．2ADC0809与AT89S52单片机接口电路设计····················64．3显示电路与AT89S52单片机接口电路设计·····················65．软件设计····················································75．1主程序图······

4、···········································75．2ADC0809电压采集程序框图································85．3显示程序框图·············································96．调试与测量结果分析···········································106．1实验系统连线图············································116．2程序调试··

5、················································126．3仿真结果·················································136．4实验结果分析·············································147．程序清单和系统原理图·········································15267．1程序清单···········································

6、·······157．2系统原理图················································168．实验总结和实验收获···········································171．引言本次课程设计要求完成是数字电压表的设计，随着电子科学技术的发展，电子测量成为广大电子工作者必须掌握的手段，对测量的精度和功能的要求也越来越高，而电压的测量甚为突出，因为电压的测量最为普遍。本次课程设计我们小组xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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8、xxxxxxxxxxxxxx该电路设计新颖、功能强大、可扩展性强。实验报告首先简要介绍了设计数字电压表的实验要求和目的；根据要求和目的设计出直流数字电压表的系统结构流程，以及硬件系统和软件系统的设计，并给出