基于FPGA的电压测量系统设计.doc

PAGE 基于FPGA的电压 测量系统设计 学 院： 专 业 班： 姓 名： 学 号： 指导教师： 年 月 基于FPGA的电压测量系统 设计 Design of acquisition digital voltage based on FPGA PAGE 39 摘 要 伴随着集成电路(IC)技术的发展，电子设计自动化(EDA)逐渐成为重要的设计手段，已经广泛应用于模拟与数字电路系统等许多领域。目前电子技术的发展主要体现在EDA领域，数字系统的设计正朝着速度快、容量大、体积小、重量轻的方向发展。电子设计自动化是近几年迅速发展起来的将计算机软件、硬件、微电子技术交叉运用的现代电子设计学科。其中EDA设计语言的VHDL语言是一种快速的电路设计工具，功能涵盖了电路描述、电路合成、电路仿真等三大电路设计工作。本电压表的电路设计正是用VHDL语言完成的。此次设计主要应用的软件是美国ALTERA公司自行设计的一种软件工具，即MAX+PLUSⅡ。本次设计的电压表测量范围是0～5V，精度为0.01V。此电压表的设计特点为：通过软件编程下载到硬件实现，设计周期短，开发效率高。 关键词：电子设计自动化(EDA) FPGA VHDL A/D采集 数字电压表 Abstract The Electronic Design Automation(EDA) technology has become an important design method of analog and digital circuit system as the intergrated circuits growing.The development of the current electronic technology is incarnated the EDA realm.The design of digital system is becoming faster,bulkier,smaller and lighter than before.Electronic design automation developed quickly in the last few years,it makes use of software,hardware,micro-electronics technology to form a course of electronic design.Among them,the VHDL language of EDA is a kind of tool of fast circuit design,the function covered the circuit describe,the circuit synthesize,the circuit imitate the true etc.The circuit of the design that use VHDL language to complete.This time the design applied software MAX+PLUSⅡ primarily which is made by the United States ALTERA company. This systems range is 0v to +5v and precision is 0.01v.Characteristics of this electric voltage watch are:Pass the software program to download the hardware to realize,the design time is short,efficiency of the development is high. Key words: Electronic Design Automation(EDA) FPGA VHDL A/D Acquisition digital voltage 目 录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc263794410 摘 要 PAGEREF _Toc263794410 \h I HYPERLINK \l _Toc263794411 Abstract PAGEREF _Toc263794411 \h II HYPERLINK \l _Toc263794412 绪 论 PAGEREF _Toc263794412 \h 1 HYPERLINK \l _Toc263794413 1 模拟数字转换器 PAGEREF _Toc263