单片机课程设计---基于STC89C52的旋转LED时钟.doc
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广东工业大学课程设计任务书
题目名称 基于STC89C52的旋转LED时钟 学生学院 材料与能源学院 专业班级 微电子学2班 姓 名 黄楚敏 何俊鑫 黄达 黄树恒 学 号 3110007484 3110007483 3110007485 3110007486
一、课程设计的内容
用STC89C52单片机制作一测温仪旋转LED时钟:
1.设计并绘制硬件电路图;
2.焊接好元器件;
3.编写程序并将调试好的程序固化到单片机中。
二、课程设计的要求与数据
单片机采用STC89C52芯片,时钟芯片采用DS1302。用电机带动驱动板旋转系统上电后,驱动板的LED将会在电机带动下动态扫描出时钟画面,并且可以用红外遥控调时。
三、课程设计应完成的工作
1. 完成软件、硬件的设计,并进行硬件的焊接制作,并将调试成功的程序固化到单片机中,最后进行硬件与软件的调试;
2.撰写设计说明书。
四、课程设计进程安排
序号 设计各阶段内容 地点 起止日期 1 硬件、软件设计 宿舍 12月26日 2 焊接电路板 宿舍 12月27日至28日 3 软件、硬件调试 宿舍 12月29至1月2日 4 撰写说明书 宿舍 1月3日至5日 5 答辩 工3-317 1月7日
五、应收集的资料及主要参考文献
谭浩强.C语言程序设计(第二版)。北京:清华大学出版社,1999年12月
发出任务书日期: 年 月 日 指导教师签名:
计划完成日期: 年 月 日 基层教学单位责任人签章:
主管院长签章:
目 录
广东工业大学课程设计任务书·········································1
摘要·······························································4
一、课题设计的要求及目的···········································5
1.1设计要求···················································5
1.2课程设计目的···············································5
二、设计方案························································5
三、系统框图与工作原理·············································8
3.1单片机系统工作架构·········································8
3.2系统工作原理··············································10
四、设计元器件说明·················································10
4.1 PLCC STC89C52RC简介··································10
4.2 74HC573芯片与光电传感器简介·····························12
4.3 红外简介··················································13
4.4 DS1302、LM7805芯片简介··································15
4.5 LED 动态显示原理6.1 单片机解码红外信号程序····································19
6.2 单片机读写DS1302程序······································22
6.3 自适应转速················································25
6.4 数字显示模式··············································26
6.5 指针显示模式··············································26
七、总结与体会·····················································27
八、参考文献·······················································27
附录A 完整源程序·····································
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