AT89S51课程设计报告(电子钟滚动显示时间日期矩阵键盘设置时间).doc

目 录 摘要··································································2 第一章 设计任务······················································3 一、设计任务························································3 二、设计目的························································3 三、设计环节及进程安排··············································3 第二章 总体方案设计与方案可行性说明·······························4 一、预期效果························································4 二、总体方案设计及程序设计思路······································4 第三章 总框图及总体软件设计说明·····································6 一、总框图··························································6 二、总体软件设计说明················································6 第四章 接口电路逻辑图及硬件设计说明，或系统资源使用说明·········7 一、接口电路逻辑图··················································7 二、接口电路逻辑图说明：·············································8 三、硬件设计说明及系统资源使用说明··································8 第五章 主要子程序框图及其设计说明···································9 一、外部中断流程图··················································9 外部中断0说明···············································9 二、定时器0流程图··················································10 定时器0说明·················································11 三、定时器1流程图··················································12 定时器1说明·················································14 四、键盘扫描子程序流程图············································15 键盘扫描子程序说明···········································17 第六章 源程序清单····················································18 第七章 调试记录及调试结果············································19 第八章 系统实现功能与操作说明·······································20 一、系统实现功能：··················································20 二、操作说明：·······················································20 第九章 课程设计总结···················································21 一、 实现的效果：··················································21 二、 程序各部分说明及系统资源使用情况：····························21 三、本次实习的经验总结··············································22 附录································