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设计题目：

电子锁

计算机与信息学院 电子信息工程

学院：

专业：

负责人:

学号:

指导老师、职称：

2008 年10 月 5日

Thetitle: Electronlock Computer and informationacademy

College：

Specialty and Grade：Electronic InformationEngineering

Name：

Number：

Advisor：

Submittedtime:

摘要 .......................................................................................................................................................................... II Abstract ................................................................................................................................ III 1 引言 ...................................................................................................................................................................... 1 1.1目的和意义 ......................................................................................................................................................... 1 1.2研究现状 ............................................................................................................................................................. 1 1.3需解决的关键问题 .............................................................................................................................................. 1 1.4指导思想与设计方法 .......................................................................................................................................... 1 1.5达到的技术要求 .................................................................................................................................................. 2 2 硬件系统设计......................................................................................................................................................... 2 2.1方案论证 ............................................................................................................................................................. 2 2.1.1系统方案论证及组成原理 ............................................................................................................................... 2 2.1.2方案选择 .......................................................................................................................................................... 3 2.2电路设计 ............................................................................................................................................................. 3 2.2.1MCU模块 .......................................................................................................................................................... 3 2.2.2 开锁模块 .......................................................................................................................................................... 5 2.2.3按键模块 .......................................................................................................................................................... 6 2.2.4显示模块 .......................................................................................................................................................... 7 2.2.5掉电储存模块................................................................................................................................................ 12 3 系统软件设计...................................................................................................................................................... 13 3.1编程语言的选择 ............................................................................................................................................... 13 3.2电子锁的工作流程说明 ................................................................................................................................... 13 3.3修改密码子程序 ............................................................................................................................................... 14 3.6主程序设计 ...................................................................................................................................................... 14 4 系统制作与测试 .................................................................................................................................................. 16 4 .1 用Protel 软件设计电路 ................................................................................................................................. 16 4.2印制电路板布线设计 ....................................................................................................................................... 17 4.3实物制作与调试 ............................................................................................................................................... 19 参考文献 ................................................................................................................................................................ 21 致谢 ........................................................................................................................................................................ 22 附录 ........................................................................................................................................................................ 22

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