1绪论............................................................................................................................41.1选题概述................................................................................................................41.2单片机概述............................................................................................................42实施方案设计...............................................................................................................................52.1设计任务要求........................................................................................................52.1.1设计任务...............................................................................................................................52.1.2设计要求...............................................................................................................................62.2设计的主要功能....................................................................................................62.3方案的确定............................................................................................................62.3.1单片机的选择........................................................................................................................72.3.2计时模块的选择....................................................................................................................72.3.3显示模块的选择....................................................................................................................72.3.4最终方案的确定....................................................................................................................83硬件电路设计............................................................................................................83.1STC89C52单片机...................................................................................................93.2时钟模块..............................................................................................................153.2.1DS1302性能简介............................................................................................................153.2.2DS1302接口电路设计.....................................................................................................13.3按键控制模块........................................................................................................03.4LCD1602显示电路.................................................................................................13.5AT24C02存储模块.................................................................................................33.6电机驱动模块........................................................................................................64软件设计....................................................................................................................74.1系统流程图..............................................................................................................74.2编程软件KeilC51..................................................................................................84.3画图软件Protel99SE..............................................................................................84.4Protel使用常见问题....................................
