基于AT89C2051六位数字钟11

毕业设计(论文)说明书

题 目: AT89C2051六位数字钟 学 院 广州市机电高级技工 专 业： 机电一体化 年 级： 10机电高职2 学 号： 11 设计人： 黄天伟 指导教师: 年 月：

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目 录

1 引言 ··································· 1 2 数字钟的系统概述 ····························· 1

2.1 总体方案设计 ·············································································································· 2 3 AT89C2051单片机及其引脚说明 ······················· 3

3.1 内部结构 ····················································································································· 4

3.2 程序保密 ····················································································································· 4 3.3 软硬件的开发 ·············································································································· 4 3.4 引脚说明 ····················································································································· 4 3.5 主要性能 ····················································································································· 5 4 电路的硬件设计 ······························ 6

4.1 复位电路 ························································ …… 此处隐藏：7229字，全部文档内容请下载后查看。喜欢就下载吧 ……