基于51单片机的公交ic卡系统设计和实现机械自动化专业

本科论文目 录摘 要........................................................................................................................IAbstract.....................................................................................................................II引 言.......................................................................................................................11 总体方案设计........................................................................................................31.1 方案选择.......................................................................................................31.2 硬件选择.......................................................................................................31.3 系统工作原理...............................................................................................41.4 总体方案确定...............................................................................................52 系统硬件电路设计................................................................................................62.1 主控模块电路设计.......................................................................................62.2 电源电路设计...............................................................................................82.3 显示电路模块设计.......................................................................................82.4 报警模块电路设计.....................................................................................102.5 RC522 刷卡模块.........................................................................................102.6 独立按键模块设计.....................................................................................112.7 硬件电路原理图.........................................................................................113 系统软件设计......................................................................................................133.1 系统软件编程环...