数字电子时钟课程设计报告资源-CSDN文库

数字电子钟、555芯片、计数器、数码管

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课程设计报告

设计题目：数字电子时钟

班级：

学号：

姓名：

指导老师：

设计时间：2009 年 8 月 30 日

摘要

数字电子钟是一种用数字显示秒﹑分﹑时的记时装置，与传统的机械钟相

第 2 章课程设计任务及要求 ····························································4

2.1 设计任务 ···············································································4

2.2 设计要求 ···············································································4

第 3 章系统设计 ··············································································5

3.1 方案论证 ················································································5

3.2 系统设计 ·················································································5

3.2.1 结构框图及说明 ·························································5

3.2.2 系统原理图及工作原理 ·············································6

3.3 单元电路设计 ·······································································7

3.3.1 单元电路工作原理 ······························································7

3.3.2 元件参数选择 ······································································10

第 4 章软件仿真 ·················································································13

4.1 仿真电路图 ··············································································13

4.2 仿真过程 ··················································································14

4.3 仿真结果 ··················································································15

第 5 章安装调试 ·················································································16

5.1 安装调试过程 ··········································································16

5.2 故障分析 ··················································································18

第 6 章结论 ··························································································19

第 7 章使用仪器设备清单 ··································································20

参考文献 ································································································20

收获、体会和建议 ················································································21

第1章概述

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answercc

2012-06-11

电子钟功能还能继续添加，总体不错

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