电子技术课程设计报告书 题 目： 多功能数字钟 学 院： 专业班级： 学 号： 姓 名： 指导教师： 2010年上学期 目录 电子技术课程设计目的 ····················································· 1 数字石英钟设计的任务和要求 ········································ 1 进度安排··············································································· 1 第一章：系统概述 ····························································· 2 第二章：单元电路设计与分析 ········································ 3 第三章：电路的安装与调试 ············································ 4 第四章：结束语 ·································································· 7 附录一：元件清单 ····························································· 7 附录二：参考文献 ····························································· 7 附录三：电路原理图 ························································· 7 一、电子技术课程设计目的 1.熟悉集成电路的引脚安排。 2.掌握各芯片的逻辑功能及使用方法。 3.了解面包板结构及其接线方法。 4.了解数字钟的组成及工作原理。 5.熟悉数字钟的设计与制作。 二、数字式石英钟设计任务及要求 1、设计一台能以十进制数字显示“时”、“分”、“秒”的数字式石英钟以LED数码管作为显示器件。 2、走时精度应高于机械时钟，具有校时功能（能对时、分进行校正）。 时、分通过按键进行校正，至少有单向（最好双向），秒校正通过按键清零。 3、具有模仿中央人民广播电台的整点报时功能，响 1s，停 1s...
