ADC0832数字电压表.docx
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1、毕业设计(论文)摘要单片计算机即单片微型计算机。(机ngleVhip Microcomputer),是集CPU , RAM , ROM 定时,计数和多种接口于一体的微控制器。它体积小,成本低,功能强,广泛应用于智 能产业和工业自动化上。近年来随着计算机在社会领域的渗透,单片机的应用正在不断 地走向深入,同时带动传统控制检测日新月益更新。在实时检测和自动控制的单片机应 用系统中,单片机往往是作为一个核心部件来使用,仅单片机方面知识是不够的,还应 根据具体硬件结构,以及针对具体应用对象特点的软件结合,以作完善。而51系列单 片机是各单片机中最为典型和最有代表性的一种。这次毕业设计通过对它的学习,应
2、用, 从而达到学习、设计、开发软、硬的能力。简易电压表是利用模拟量转换成数字量经单片机处理并反映在显示器上,它可以分 析5V的电压,并能用该电压表可测出该电路的电流和电阻值。本文介绍了电压表的使用和开发环境,仿真系统和开发使用的MCS-51系列的单片 机芯片。在第二章论述了总体设计过程,确定了技术指标及器件的选择第四章着重描述了 系统硬件电路设计、硬件设计框图及所使用的各种芯片功能与特性。关键词:电压表、单片机技术、A/D转换AbstractWith the infiltration in the social field of the computer in recent years, th
3、e application of the one-chip computer is moving towards deepening constantly, drive tradition is it measure crescent benefit to upgrade day to control at the same time. In measuring in real time and automatical Iy control led one-chip computer application system, the one-chip computer often uses as
4、 a key part, only one-chip computer respect knowledge is not enough, should also fol low the structure of the concrete hardware , and direct against and use the software of target,s characteristic to combine concretly, in order to do perfectly.The pressure system of much passways of simulation utili
5、zes the pressure sensor to gather the pressure at present and reflect by display, it can analyse excessive Cheng of the pressure , sends out and reports to the police. It can be according to inputting the amount of money of calculating out the object with accurate unit price to adopt the principle o
6、f the electronic scale.This text has introduced the research meaning of this system and development environment used in the introduction at first, artificial system of the big good fortune and developing the one-chip computer chip of MCS_51 series used. Have described the overal 1 design process in
7、chapter two, have confirmed chapter three of choice of technical indicator and device has described emphatical Iy that designs the block diagram and various kinds of chip functions and characteristics used in circuit design of the systematic hardware , hardware, have analyzed the design course of th
8、e software especial Iy in chapter four.Keyword: Electric voltage form, technology of the one-chip computer , D change引言41核心芯片简介52 AT89S51 简介82. 1AT89S52芯片的引脚及特点82.2 AT89S52的主要性能参数112.3 AT89S52的新功能113方案设计124软硬件设计134. 1 硬件电路设134. 2 单片机AT89S52外围电路设计134. 3 ADC0832与单片机的接口设计 141 .4显示设计144 . 5 电源设计145结论156
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- ADC0832 数字 电压表