DSP课程设计数字时钟

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1、数字时钟数字时钟摘要本课题是利用DSP定时器和中断，来设计一个数字时钟，用数码管作为显示部分，利用HD7279芯片来管理16*16的矩阵键盘，从而通过按键可以调节时间。本课题涉及到了DSP的定时系统、中断系统，DSP的I/O工作方式。关键字：DSP数字时钟；HD7279矩阵键盘i数字时钟目录1绪论............................................................................................................

2、......11.1课题背景及目的....................................................................................11.2课题任务及要求....................................................................................12课题设计原理.....................................................

3、.............................................22.132位CPU定时器................................................................................22.2中断系统................................................................................................32.2.1外设级......

4、...................................................................................32.2.2PIE级...........................................................................................32.2.3CPU级...............................................................

5、..........................32.3HD7279芯片........................................................................................43课题总体方案设计..........................................................................................53.1定时器设计......................

6、......................................................................53.2输入模块与显示模块设计....................................................................54课题程序设计................................................................................................

7、..64.1程序总体设计........................................................................................64.2正常运行模式........................................................................................74.3时间设置模式.................................................

8、.......................................74.4程序实际运行效果................................................................................85心得体会................................................................