基于单片机的脉搏测量仪设计目 录摘要...............................................................................................................................IABSTRACT..............................................................................................................II引言..............................................................................................................................1第一章 概述...............................................................................................................21.1 选题的背景和意义 .............................................................................................21.2 脉搏测量仪的进展与应用 .................................................................................3第二章 总体方案的论证与设计..........................................................................52.1 主控模块的选型和论证 .....................................................................................52.2 显示模块的选型和论证 .....................................................................................52.3 传感器的选型和论证 .........................................................................................52.4 系统整体设计概述 .............................................................................................6第三章 系统硬件电路设计...................................................................................83.1 主控模块 .............................................................................................................83.1.1 STC89C52 单片机主要特性 ...........................................................................83.1.2 STC89C52 单片机的中断系统 .....................................................................123.1.3 单片机最小系统设计 ....................................................................................123.2 LCD 液晶显示器简介 .....................................................................................
