数电课设：数字钟

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1、.等级:课程设计课程名称数字电子技术课题名称多功能数字钟专业自动化班级1503学号201501020302姓名汤伟明指导老师程春红2016年11月21日..电气信息学院课程设计任务书课题名称多功能数字钟姓名汤伟明专业自动化班级1503学号02指导老师程春红课程设计时间2016年11月21日-2016年12月02日一、任务及要求任务：1.设计一个具有“时”、“分”、“秒”的十进制数字显示钟。2．具有校时、校分、校秒功能。3．具有整点报时功能，整点前10秒发光二极管闪烁5次，周期为2秒。4．设计振荡器。要求：1.设计思路清晰，给出整体设计框图，画出整机原理图；2

2、.给出具体设计思路，设计各单元电路、电路器件；3.总电路设计；4.进行实验仿真调试，验证设计结果；5.编写设计说明书；6.所有图纸和说明书用计算机打印二、进度安排第一周：周一：布置任务，查找资料；周二～周三：设计系统方案，仿真；周四～周日：领元器件，电路安装，或程序调试；第二周：周一～周二：电路安装，调试，运行或程序调试，下载运行；周三：结果验收；周四：收元器件，整理实验室，撰写报告，答辩；周五：资料整理。三、参考资料1.康华光主编.电子技术基础（数字部分），高等教育出版社。2.阎石主编.电子技术基础（数字部分），清华大学出版社。3.任为民主编.电子技术基础

3、课程设计，中央广播电视大学出版社。4.彭介华主编，电子技术课程设计指导，高等教育出版社。5.《电子线路设计、实验、测试》谢自美主编华中理工出版..目录一、课程设计的任务要求·······································11.1、设计内容····················································11.2、多功能数字钟设计要求········································1二、设计方案··································

4、···············12.1、总体设计方案················································1三、单元电路（子模块，子程序）分析··························23.1、脉冲发生电路···············································33.2、计时电路···················································43.2.1、分秒计时电路·································

5、·······················4..3.2.2、时计时电路··························································53.2.3、时、分、秒计时功能的实现············································63.2.4、译码器驱动电路及数码管显示电路······································73.2.5、校时电路·····················································

6、·······83.2.6、整点报时电路·····························9一、系统仿真/测试···········································114.1、整点报时电路仿真···········································11二、电路安装调试···········································12三、元件清单···············································126.1、元件清单·····

7、·············································126.2、各芯片管脚图及功能表···················126.2.1、555定时器的内部结构························126.2.2、同步十进制计数器74ls160功能表及引脚图。··············14附页：总电路图······························15四、总结········..········································16一、课程设计的任务要求：1.1、设

8、计内容本项目利用中小规模集成芯片设计并制作多功能数字