CHANGZHOU INSTITUTE OF TECHNOLOGY单片机的科研实践题目: 基于单片机的简易电子时钟 二级学院(直属学部): 延陵学院 专业: 电气工程及其自动化 班级: 11 电 Y3 学生姓名: 学号: 指导老师姓名: 职称: 副教授 目 录基于单片机的简易电子钟设计......................................................................1第一章 概述.....................................................................................21.1 课题意义..................................................................................21.2 课题内容..................................................................................3第二章 单元电路方案论证.........................................................................42.1 控制器模块................................................................................42.2 计时模块..................................................................................42.3 显示模块..................................................................................52.4 最终方案..................................................................................5第三章 系统硬件介绍.............................................................................63.1 STC89C51 单片机简介.......................................................................63.2 数码管驱动模块............................................................................93.3 74HC573 芯片介绍.........................................................................103.4 按键调时模块.............................................................................113.5 整点提示模块.............................................................................12第四章. 系统软件设计...........................................................................134.1 编程软件 KEIL C51.........................................................................134.2 仿真软件 PROTEUS...........................................................................134.3 程序流程图..............