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电子万年历设计(李艳)VIP免费

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莱芜职业技术学院毕业论文电子万年历设计入学日期:2008年9月论文完成日期:2011年5月学号代码:43708学号:200806010136系别:信息工程系专业:电子信息技术工程学生姓名:赵彦丽指导教师:张国栋0摘要本设计以数字集成电路技术为基础,单片机技术为核心。软件设计采用模块化结构,汇编语言编程。系统通过LCD显示数据,可以显示公历日期(年、月、日、时、分、秒)以及星期。在内容安排上首先描述系统硬件工作原理,着重介绍了各硬件接口技术和各个接口模块的功能;其次,详细的阐述了程序的各个模块和实现过程。关键词:单片机;万年历;DS1302;LCM16021目录摘要························································································1前言························································································3第一章设计要求········································································4第二章方案论证与设计·······························································42.1控制器部分方案论证·························································42.2显示部分的方案论证·························································62.3系统设计········································································72.3.1晶体振荡器电路······················································72.3.2分频器电路····························································72.3.3时间计数器电路······················································82.3.4时钟电路·······························································82.3.5复位电路····························································82.3.6复位电路的可靠性设计············································92.3.7按键部分······························································102.3.8蜂鸣器电路···························································102.3.9根据各模块的功能互相连接成电子万年历的控制电路·····11第三章各硬件介绍···································································113.1AT89S51的引脚说明·······················································113.2发光二极管指示电路设计·················································133.3蜂鸣器电路设计·····························································133.3.1蜂鸣器的介绍················...

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电子万年历设计(李艳)

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