多用户门铃毕业设计论文.doc

邵阳学院毕业设计(论文)目录目录摘要 ..................................................................................................................................................................I ABSTRACT....................................................................................................................................................II 1 前言..............................................................................................................................................................1 1.1 多用户门铃的概述...................................................................................................................................1 2 单片机简介..................................................................................................................................................2 2.1 单片机的发展史.......................................................................................................................................2 3 设计要求与方案..........................................................................................................................................3 3.1 设计要求....................................................................................................................................................3 3.2 方案一.......................................................................................................................................................3 3.3 方案二.......................................................................................................................................................4 4 系统硬件设计..............................................................................................................................................5 4.1 AT89C51 芯片...................................................................................................................................5 4.1.1 AT89C51 芯片引脚排列................................................................................................................5 4.1.2 AT89C51 芯片引脚功能介绍........................................................................................................6 4.1.3 AT89C51 的主要性能参数............................................................................................................7 4.2 晶振电路...........................................................................................................................................8 4.3 复位电路...........................................................................................................................................9 4.4 负载电路..........................................................................................................................................10 4.5 元件分类和清单.............................................................................................................................11 5 系统软件设计............................................................................................................................................12 5.1 多用户门铃设计的流程图.............................................................................................................12 5.2 门铃程序的编写.............................................................................................................................12 6 仿真与调试................................................................................................................................................13 6.1 KeilC51 编译软件...................................................................................................................................13 6.2 PROTEUS 仿真软件...............................................................................................................................17 6.3 仿真说明与分析.....................................................................................................................................19 7 电路板制作................................................................................................................................................20 7.1 PCB 的制作过程.....................................................................................................................................20 7.2 电路元器件的搜集.................................................................................................................................23 参考文献........................................................................................................................................................25 致谢................................................................................................................................................................26 附 录............................................................................................................................................................27 附录 A：英文原文........................................................................................................................................27 附录 B：中文翻译....................................。