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Q260046902专业做论文I西南科技大学毕业设计(论文)题目名称:基于FPGA的数据采集系统的设计年级:2003级■本科□专科学生学号:20035006学生姓名:许晓原指导教师:吴斌李芳学生单位:信息工程学院技术职称:教授硕士学生专业:电子信息工程教师单位:信息工程学院西南科技大学教务处制Q260046902专业做论文II基于FPGA的数据采集系统的设计摘要:以ALTERA公司的FPGA芯片EP1C6T144C8为核心,采用A/D转换器件和D/A转换器件设计了一个基于FPGA的数据采集系统,并用状态机描述方式对系统进行了深入分析。系统通过软件设计输入、分析与综合、仿真与验证等过程仿真实现了这一系统。设计输入过程中用VHDL语言编程实现了对TLC5510的采样控制和D/A转换器的控制;分析与综合过程对设计文件进行排错处理,并且对系统耗用的资源进行统计;仿真与验证过程对设计的核心模块的功能和时序性质进行了仿真测试,用仿真波形分析说明设计结果满足设计要求。关键词:数据采集系统;FPGA;VHDL;采样控制西南科技大学本科生毕业论文IIDesignofDataAcquisitionSystemBasedonFPGAAbstract:TheFPGAchipEP1C6T144C8ofALTERACompanywhichworkswiththeA/DandD/Aconversiondevicesasthecore.Adataacquisition,basedonFPGA,wasdesignedbyprogrammingwithQuartusIIsimulationsoftwareandthefunctionofvalidation.Thesystemwasanalyzeddeeplybyadoptingthemethodofthestatemachine.Adataacquisitionstructurewasdesignedinthesystem,whichwasachievedbydesigninginputs,analysisandsynthesis,simulationandvalidationandsoon.Intheprocessofdesigninputs,thecontrolofsamplingtoTLC5510andD/AdiversionwereachievedbyprogrammingwithVHDLlanguage.Theprocessofanalysisandsynthesismisarrangedthedesignfiles.Italsomadeastatisticsofconsumedsourcesinthesystem.Thefunctionandtimingnatureofthedesignwastestedbysimulationinthesimulatingandverifyingprocessforvalidatingtheworkhere.KeyWords:DataAcquisitionSystem,FPGA,VHDL,SamplingControl西南科技大学本科生毕业论文III目录第一章绪论.....................................................................................................................11.1课题背景及依据.....................................................................................................11.2选题目的及意义.....................................................................................................2第二章系统的结构设计.....................................................................................................32.1概述.........................................................................................................................32.2系统总体结构及原理.............................................................................................32.2.1A/D转换模块...............................................................................................42.2.2数据存储模块..............................................................................................62.2.3D/A转换模块...............................................................................................62.2.4FPGA控制模块............................................................................................7第三章FPGA对A/D和D/A转换控制软件设计............................................................93.1VHDL硬件描述语言基础.....................................................................................93.1.1设计输入.......................................................................................................93.1.2程序结构说明.............................................................................................103.2状态机设计..............................................................................................................113.2.1MOORE状态机设计..................................................................................123.2.2VHDL一般状态机设计.............................................................................123.2.3类型定义语句TYPE..................................................................................133.3用状态机设计A/D采样控制..............................................................................143.4用行为描述方式设计A/D采样控制..................................................................163.5实用状态机的优势...............................................................................................173.6D/A转换的控制...................................................................................................18第四章QuartusⅡ仿真......................................................................................................204.1设计输入..............................................................................................................204.2设计编译...............................................................................................................214.3设计综合...............................................................................................................224.4设计仿真...............................................................................................................254.5仿真结果及分析...................................................................................................27西南科技大学本科生毕业论文IV4.5.1状态机描述方式的时序仿真和功能仿真分析.........................................274.5.2行为描述方式时序仿真分析.....................................................................27第五章测试信号分析.......................................................................................................295.1正弦波的产生.......................................................................................................295.2正弦波发生器的特点...........................................................................................31结论....................................................................................................................
本文标题:基于FPGA的数据采集系统的设计
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