数字电子技术课程设计-- 数字电子钟设计

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1、成绩课程设计报告题目数字电子钟设计课程名称数字电子技术课程设计院部名称专业电气工程及其自动化班级学生姓名学号课程设计地点C105课程设计学时1周指导教师赵国树金陵科技学院教务处制15目录1、绪论··························································31.1相关背景知识·················································31.2课程设计条件·····································

2、············31.3课程设计目的·················································31.4课程设计的要求···············································32、数字电子钟的基本原理·······································42.1原理框图·····················································42.2整体电路图··········

3、·········································52.3基本原理·····················································5153、所用元器件···················································44、单元电路设计·················································54.1秒脉冲发生器······························

4、···················54.2秒、分、时计数器·············································64.3秒、分、时译码显示模块·······································74.4校时电路·····················································85、附图说明各部分功能的实现···································95.1开始状态············

5、·········································95.2时、分、秒分别校时···········································105.3满60秒向分钟进位状态。15·······································105.4满60分向小时进位状态。·······································115.523:59:59向00:00:00进位状态························

6、·········117、设计结果分析与总结··········································128、参考文献······················································13一、绪论1.1相关背景知识数字电子技术主要研究各种逻辑门电路、集成器件的功能及其应用、逻辑门电路组合和时序电路的分析和设计、集成芯片各脚功能。555定时器等。随着计算机科学与技术突飞猛进地发展，用数字电路进行信号处理的优势也更加突出。数字钟从原理上讲是一种典型的数字

7、电路，其中包括了组合逻辑电路和时序电路。此次设计与制作数字电子钟的目的是让学生在了解数字钟的原理的前提下，运用刚刚学过的数电知识设计并制作数字钟，而且通过数字钟的制作进一步了解各种在制作中用到的中小规模集成电路的作用及其使用方法。由于数字电子钟包括组合逻辑电路和时序电路，通过它可以进一步学习与掌握各种组合逻辑电路与时序电路的原理与使用方法，从而实现理论与实践相结合。1.2课程设计条件151.先是对数字电子钟有一定的了解，然后对参数的确定选择出一种最适合本课题的方案。在达到课题要求的前提下保证最经济、最方便、最优化的设

8、计策略。2.运用仿真软件Multisim对电路进行仿真。观察效果并与课题要求的性能指标作对比。1.3课程设计目的1.学习基本理论在实践中综合运用的初步经验，掌握数字电路系统设计的基本方法、设计步骤，进一步熟悉和掌握常用数字电路元器件的应用。2.学习和练习在面包板上接线的方法、技术、注意事项。3.学习数字电路实物制作、调试、测试、故障查找和排除的