目 录第一章 课程目的与任务 ················································21.1设计目的 ······················································21.2设计任务 ······················································2第二章 设计方案分析 ················································· 32.1电源模块分析 ··················································32.2显示界面分析 ················································· 32.3总体界面分析 ················································· 3第三章 主要元件介绍 ··················································53.1 单片机介绍 ···················································53.2 发光二极管介绍 ··············································· 73.3 LED数码管介绍 ··············································· 83.4 反相器介绍 ···················································83.5 晶振介绍 ·····················································9第四章 硬件电路 ······················································ 104.1 时钟电路 ·····················································104.2 复位电路 ·····················································104.3 交通灯电路 ··················...
