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毕业设计基于单片机的密码锁的设计目录TOC\o"1-3"\h\z\uHYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809436#_Toc29809436"1绪论PAGEREF_Toc29809436\h1HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809438#_Toc29809438"1.1课题背景PAGEREF_Toc29809438\h1HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809440#_Toc29809440"1.2课题设计目标PAGEREF_Toc29809440\h1HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809445#_Toc29809445"2系统方案论证PAGEREF_Toc29809445\h2HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809447#_Toc29809447"2.1主控部分的选择PAGEREF_Toc29809447\h2HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809452#_Toc29809452"2.2密码输入方式的选择PAGEREF_Toc29809452\h2HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809457#_Toc29809457"3系统总体设计和主要芯片介绍PAGEREF_Toc29809457\h3HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809459#_Toc29809459"3.1系统总体设计PAGEREF_Toc29809459\h3HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809461#_Toc29809461"3.2主要芯片介绍PAGEREF_Toc29809461\h4HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809466#_Toc29809466"4系统硬件构成PAGEREF_Toc29809466\h11HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809467#_Toc29809467"4.1系统整体电路图PAGEREF_Toc29809467\h11HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛哥.老鲁\\牛兄的\\夏宇.doc"\l"_Toc29809468#_Toc29809468"4.2单片机最小系统原理图PAGEREF_Toc29809468\h11HYPERLINK"file:///C:\\Documents%20and%20Settings\\Administrator\\桌面\\牛
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