摘要..................................................................................................................................................3Abstract.............................................................................................................................................3第一章绪论.....................................................................................................................................4第二章系统总体设计方案及主要芯片介绍..................................................................................52.1系统总体设计方案.........................................................................................................52.2硬件设计...........................................................................................................................52.2.1引言.....................................................................................................................52.2.2主控芯片选择.....................................................................................................62.2.3显示模块选择.....................................................................................................62.3主要芯片介绍...................................................................................................................6第三章系统主要模块介绍..............................................................................................................73.1主控芯片模块...................................................................................................................73.2按键控制电路....................................................................................................................83.3数码管显示电路................................................................................................................8..................................................................................................................................................83.4楼层指示电路....................................................................................................................93.5电梯上下指示电路.........................................................................................................93.6停站报警电路...............................................................................................................10第四章系统软件设计与情况处理................................................................................................104.1系统流程图...................................................................................................................104.2电梯各情况下所对应的处理方法...............................................................................11第五章电路调试与总结................................................................................................................125.1电路的焊接与调试.........................................................................................................125.2总结................................................................................................................................12致谢................................................................................................................................................13这次毕业设计的完成有赖于老师的帮助以...
