文档介绍：------------------------------------------------------------------------------------------------ ——————————————————————————————————————单片机方波脉冲计数控制设计说明书桂林电子科技大学微机综合设计设计报告指导老师:吴兆华学生: fdb 学号: 1000150310 目录一、设计题目............................................................................................. 2 二、设计内容与要求............... .................................................................. 2 三、设计目的和意义................................................................................. 2 四、设计任务分析........................................................................... .......... 2 五、系统硬件电路..................................................................................... 3 ------------------------------------------------------------------------------------------------ —————————————————————————————————————— 电路原理图绘制............................................................................................... 7 电路图绘制要点......... .............................................................................................. 7 硬件电路制作........................................................................................................... 8 硬件电路说明................. .................................................................................. 8 单片机基本知识....................................................................................................... 8 AT89S51 单片机介绍....................... ...................................................................... 11 最小系统控制部分.................................................................................................. 14 数码管显示电路部分......................................... .................................................... 17 六、软件设计........................................................................................... 20 程序流程图................................................................................ ...................... 20 程序源代码.........................