单片机脉搏计设计.pdf

脉搏计设计论文

单片机脉搏计设计

摘要

脉搏传感器采样脉搏信号，采用STC89C51单片机作为控制器，脉搏传感器输

出方波传入单片机，单片机每接收一个脉冲波形，数码管就计数一次。脉搏次数

超限时用蜂鸣器报警。三极管加大功率，驱动器件工作。单片机软件设计，设置

中断向量，编程执行。

关键词STC89C51单片机、脉搏测量仪、软件设计

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目录

前言································································································3

1系统方案选择与论证·······································································3

1.1任务··························································································3

1.2要求··························································································3

1.3系统基本方案··············································································3

1.3.1各个部分电路的方案选择及论证····················································3

1.3.2系统各模块的最终方案·································································4

2.系统硬件设计·················································································5

2.1单片机处理电路············································································5

2.1.1STC89C51系列单片机的主要性能特点············································5

2.1.2C51系列单片机的基本组成···························································6

2.2复位电路····················································································8

2.2.1单片机复位电路··········································································8

2.2.2测试复位电路·············································································9

3软件设计···················································································11·

3.1程序设计···························································错误!未定义书签。

3.2程序调试·················································································13·

4结论··························································································14·

5原理图····················································