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1、乒乓球比赛游戏机乒乓球比赛游戏机摘要现场可编程门阵列（FieldProgrammableGateArray,FPGA）是一个崭新的、富有生机的嵌入式系统设计技术研究方向。本文在阐述可编程逻辑器件特点及其发展趋势的基础上，引入了基于嵌入式处理器内核和xilinxFPGA的SOPC软硬件设计技术，为基于FPGA的嵌入式系统设计提供了广阔的思路。本课程基于FPGA的SOPC（System-on-a-chip）技术构造一个乒乓球游戏机,要求用指定的FPGA平台结合SOPC技术构造一个乒乓球游戏机，FPGA通过两条I/O信号输出两组脉宽调制波，经过低通滤波器提取脉宽调制的均值电压，输
2、入到双通道示波器中。示波器工作在X/Y模式,屏幕上的光点代表乒乓球,乒乓球在X/Y电压的控制下在屏幕上移动。在EXCD1开发板上设计使用两个按钮分别作为左侧击球钮和右侧击球钮,当乒乓球靠近屏幕左边时按下左侧击球钮，可将球击回右侧,右侧击球钮亦然。并且建立记分机制，在七段数码管上显示双方得分.关键字：FPGAVHDL乒乓球比赛游戏机AbstractFieldprogrammablegatearray(FieldProgrammableGateArray,FPGA)isanewandvibrantdirectionofembeddedsystemdesigntechnology
3、. Thispaperdescribesthedevelopmentofprogrammablelogicdevicecharacteristicsandtrends,basedontheintroductionofembeddedprocessorcoresbasedontheSOPCandXilinxFPGAhardwareandsoftwaredesign,FPGA-basedembeddedsystemdesignprovidesabroadwayofthinking. ThiscourseisFPGA-basedSOPC(System-on-a-chip)tech
4、nologytoconstructatabletennisgame,requiringcombinationwiththespecifiedFPGAplatformtechnologytoconstructatabletennisgameSOPC,FPGAthroughtwoI/Osignaloutputgroups PWMwave,afteralowpassfilterfromthemeanpulsewidthmodulationvoltageinputtothedual-channeloscilloscope. ScopeofworkintheX/Ymode,there
5、presentativepointsoflightonthescreentabletennis,tabletennisintheX/Ycontrolvoltagemovingacrossthescreen. DevelopmentboarddesignedforuseinEXCD1twobuttonsasleftandrightsideoftheballhittingbuttonneartheleftofthescreenwhenthetabletennisball,presstheleftbutton,youcanhittheballrightback,hittingth
6、erightbuttonisnodifferent. Andcreatescoringmechanism,theseven-segmentLEDdisplaytwoscores.Keywords:FPGASOPCdevelopmentboardtable-tennisgameEXCD125乒乓球比赛游戏机目录1.设计任务与要求1.1设计任务·················································41.2技术指标·················································41.3题目评析·····
7、············································42.系统硬件设计2.1EXCD-1卡板介绍··············································52.2硬件设计流程图··············································62.3总体电路原理图··············································63.系统软件设计3.1程序总体流程图···············
