多功能数字钟的设计及制作 论文

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1、学号：课程设计题目学院专业班级姓名指导教师年月日课程设计任务书学生姓名：专业班级：指导教师：单小梅工作单位：武汉理工大学题目:多功能数字钟的设计及制作初始条件：（1）准确计时，显示时分秒（2）小时12翻1，分秒60进1选做:设计可校正时间的电路要求完成的主要任务:（包括课程设计工作量及其技术要求，以及说明书撰写等具体要求）（1）设计任务及要求（2）方案比较及认证（3）系统框图，原理说明（4）硬件原理，完整电路图，采用器件的功能说明（5）调试记录及结果分析（6）对成果的评价及改进方法（7）总结（收获

2、及体会）（8）参考资料（9）附录：器件表，芯片资料时间安排：6月27日~6月30日：明确课题，收集资料，方案确定，仿真7月1日~7月4日：硬件电路制作与调试7月5日~7月8日；报告撰写，交设计报告，答辩指导教师签名：年月日系主任（或责任教师）签名：年月目录摘要·······································································1多功能数字钟的设计及制作·····································

3、··············21数字钟的设计内容及要求················································21.1数字钟的设计内容··················································21.2数字钟的设计要求··················································22电路设计方案及其论证········································

4、··········22.1数字钟系统总电路图················································22.2数字钟的原理框图··················································22.3数字钟的基本原理··················································23单元电路··················································

5、·············43.1计时电路···························································43.2脉冲信号源——多谐振荡电路·········································63.3显示电路··························································73.4校时电路·······································

6、···················84硬件电路的设计及其制作与调试··········································94.1仿真使用的系统····················································94.2制作与调试的方法和技巧············································104.3测试的数据和理论计算的比较分析································

7、····104.4制作与调试中出现的故障、原因及排除方法····························105本设计的方案优势及与被排除的方案的对比································116系统需要的各类软件和硬件··············································12结束语····································································13参考文献·

8、·································································14附录······································································15摘要数字钟是采用数字电路实现对时、分、秒、数字显示的计时装置,广泛用于个人家庭,车站,码头办公室等公共场所,成为人们日常生活中不可少的必需品,由于数字集成电路的发展和广泛应用,使得数字钟的精度远远超过老式