基于单片机交直流数字电压表设计.doc

黑龙江东方学院 本 科 生 毕 业 论 文（设 计） 论文题目：基于单片机的交直流数字电压表的设计 学 部 计算机 专 业 电气工程及自动化 姓 名 班 级 07级3班 学 号 指导教师 答辩日期 2011 年5月14日 基于单片机的交直流数字电压表的设计 摘 要 单片机是一种集成电路芯片，采用超大规模技术把具有数据处理能力(如算术运算，逻辑运算、数据传送、中断处理)的微处理器(CPU)。随着单片机技术的飞速发展，各种单片机蜂拥而至，单片机技术已成为一个国家现代化科技水平的重要标志。 单片机可单独地完成现代工业控制所要求的智能化控制功能，这是单片机最大的特征。单片机控制系统能够取代以前利用复杂电子线路或数字电路构成的控制系统，可以软件控制来实现，并能够实现智能化。现在单片机控制范畴无所不在，例如通信产品、家用电器、智能仪器仪表、过程控制和专用控制装置等等，观察独立分析、设计单片机的能力，以及实际编程技能。 本课题主要解决A/D转换、数据处理及显示控制等三个模块。控制系统采用AT89S52单片机，A/D转换采用AD7236。 关键词：A/D,AT89S52,ADC0809Design of digital voltmeter meter base on singlechip Abstract With Chip Processor is a kind of chip of integrated circuit, adopt to exceed large-scale technology have data handling ability( such as arithmetic manipulation, logic is operational , data deliver and suspend handling) tiny processor ( CPU ). Along with Chip Processor technology develop fast, various Chip Processor come in great numbers, Chip Processor technology has become a important sign of the national modern level of science and technology. Chip Processor can complete modern industrial control alone the intelligent control function that will beg, this is the feature of biggest Chip Processor. When Chip Processor control system can replace, using the control system that complex electron Graduate the program of design is ；the design of digital volmeter ；. Check on our condition for the aspects such as Chip Processor technology and programming ability mainly. Observe actual programming ability as well as the ability of independent analysis and design Chip Processor. This program solves the data handling and conversion of A/D mainly and shows the 3 modulars such as control. Control system adopts AT89S52 only flat machine, the conversion of A/D adopts ADC0809. Keywords: AT89S52, AD7236,ADC0809 目Abstract…………………………………………………………………………Ⅱ 第1章 绪论………………………………………………………………………………………1 1.1数字电压表的发展概述……………………