单片机电子定时闹钟 毕业论文.doc
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目录
1引言.....................................................................................................................................1
2单片机介绍.........................................................................................................................1
（1）芯片化探索阶段..................................................................................................1
（2）结构体系完善阶段..............................................................................................2
（3）从SCMC向MCU化过渡阶段..........................................................................2
（4）MCU的百花齐放阶段........................................................................................2
2.2单片机的特点..............................................................................................................3
2.3单片机的应用..............................................................................................................3
3系统总体方案及硬件设计.................................................................................................3
3.1总体设计......................................................................................................................3
3.2系统时钟电路设计......................................................................................................4
3.3系统复位电路的设计..................................................................................................4
3.4闹钟指示电路设计......................................................................................................4
3.5电子闹钟的显示电路设计..........................................................................................5
4软件设计.............................................................................................................................5
4.1概述..............................................................................................................................5
4.2主模块的设计.................................................................................
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