基于Freescale HCS12系列单片机设计和实现抢答器外文翻译.docx

基于FreescaleHCS12系列单片机设计和实现抢答器外文翻译

第一篇：基于FreescaleHCS12系列单片机设计和实现抢答器外文翻译外文资料原文DesignandImplementofResponderBasedonFreescaleHCS12SingleChipMicrocomputerResponderisalsoknownasthefirstsignaldiscriminator,whichiswidelyusedinvariouscompetitions.Itcanjudgethenumberofthefirstplayeraccurately,fairlyandintuitively.Currently,avarietyofquizresponderhasemergedonthemarket,inwhichasmallresponderiscommonlydesignedwithsmall-scaledigitalintegratedcircuit.Althoughthetechnologyhasbeenquitemature,butitissimplefunction,lowintelligence,highfault,simpledisplay,lessflexibility,notconvenienceforupgrade,ithasbeenunabletomeetallkindsofrequirementsforintellectualcompetitionsandvarietyshows.Therefore,itisnecessarytodevelopsomekindsofresponderwhicharemoresuitableforapplications.Inrecentyears,withtherapiddevelopmentofscienceandtechnology,theapplicationsofsingle-chipmicrocomputerarebecomingwidely,whichpromotesthedevelopmentoftraditionalmeasurementandcontroltechnology.Inthispaper,FreescaleHCS12[1-3]isdesignedasacorecomponenttoachieveanintelligentdigitalresponderwith8-channel[4-8],ithassomebreakthroughsontechnology,functionandotheraspects,comparingwiththepastresponder.Itischaracterizedbysimplestructure,powerful,goodreliability,practicability,sothatthecompetitioncanreallycarriedoutonjust,fairandopenrules.Thebasicfunctionsofresponderdesignedinthispaperare:(1)Thesystemcanlimitthecompetitiontimeandanswertimeofthealarm;(2)Thesystemcanidentifytheanswersignalandidentifytheplayer'snumber;(3)Thesystemcancalculatescoreforeachplayeranddisplaythescores.Respondercanaccommodate8playersnumbered1to8.Inaddition,LEDdigitaltubesaredesignedtodisplaythelatcheddata.Afterracehostclearsthesystem,ifparticipantspressswitch,andafteransweriscertificatedwhetheritiscorrectornot,thenumberoffirstplayertoanswerinactionisimmediatelyshownbydigitaltubes.Respondershouldhaveastrongabilitytodistinguishplayerstoanswerintheaction,itsresolutionreachesatleastafewmsAftertherequirementsandfunctionsofresponderareanalyzed,thefollowingcircuitsare