本科论文目 录摘 要.......................................................................................................................IAbstract...................................................................................................................II1 系统方案设计.......................................................................................................41.1 硬件方案的选择........................................................................................41.2 总体设计方案选择....................................................................................72 系统硬件电路设计...............................................................................................82.1ST89C52 单片机系统设计........................................................................82.2 LCD1602 液晶显示电路设计...................................................................92.3DS1302 时钟电路设计.............................................................................102.4LM393 芯片的介绍..................................................................................102.5 霍尔测速电路的设计..............................................................................112.6 独立按键电路的设计..............................................................................123 系统软件部分设计.............................................................................................133.1 软件开发环境的介绍..............................................................................133.2 系统重要函数的介绍..............................................................................134 系统整体调试.....................................................................................................164.1 系统硬件测试..........................................................................................174.2 系统软件测试..........................................................................................19结 论................