目录1 设计目的...................................................................11.1 设计目的..................................................................11.2 设计内容和要求............................................................11.3 设计思路.................................................................12 设计原理分析.................................................................22.1 定时器控制 8×8LED 点阵屏显示数字系统设计..................................22.2 定时器控制 8×8LED 点阵屏显示数字系统的功能要求............................22.2.1 计时显示..............................................................22.2.2 中断设置..............................................................22.3 8×8LED 点阵屏显示数字系统的基本构成及原理...............................23.1 系统硬件总电路构成及原理..................................................33.2 主控制部分――AT89C51 单片机简介..........................................33.2.1 AT89C51 的内部结构功能...............................................43.2.2 51 单片机的串行接口工作方式..........................................53.3 其它器件..................................................................63.4 定时器控制 8×8LED 点阵屏显示数字系统原理图................................73.5 设计的连线图：............................................................83.5.1 单片机实物图：........................................................83.6 硬件资源及其分配.........................................................83.7 运行步骤..................................................................83.8 检测与调试................................................................93.8.1 硬件调试：............................................................93.8.2 软件调试：...........................................................104 系统软件程序的简单设计......................................................114.1 程序框图....................................................................
