单片机外文翻译.docx

单片机外文翻译.docx

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单片机外文翻译

单片机外文翻译

Ratemeterandmonolithicintegratedcircuit

Thetraditionalautomobilerotationalspeedodometer'sfunctionhastwo;first,withindicatorinstructionautomobiletravelinstantaneousvehiclespeed;second,recordstheautomobiletravelwiththemechanicalcountertheaccumulationcourse.Themodernautomobileisdevelopingtothehighspeeddirection,alongwiththevehiclespeedenhancement,thetraditionspeedometerwhichactuateswiththeflexibleaxlereceivestheunprecedentedchallenge,thisisbecauseoftheflexibleaxlewhenhighspeedrevolving,asaresultofsteelwirealternatestresseslimitlimit,buteasytobreak,simultaneously,theflexibleaxlewillarrangelongwillhavepresentedthedeformationoversizedorthemovementsluggishandsoonphenomena,moreover,regardingthedifferentvehicletype,therotationalspeedodometer'sinstallmentpositionwillalsoreceivetheflexibleaxlelengthandbendinglimit.Allthese,causesbasedonthenon-contacttypetachometergenerator'selectronicformularotationalspeedodometertobeabletherapidlyexpand.

Present'sautomobilemeasuringapplianceautomaticityisveryhigh,whattheoldstylemechanicalflexibleaxletransmission'smeasuringappliancealreadyeliminateddisplacesispresent'sliquidcrystalgaugeboard,isimpossiblethroughtodialthedigitalcodewheeladjustmentodometeragain.Wheninthedriverneedstoincreasethenumberofpasses,runsthetablewiththiskindtobepossibleverywitheasetorealize.Thiskindrunsthetableusemediumscaleintegrationdesigntobecome,thevolumeisexquisite,themovementisstable,issuitableusesoneachkindofelectronictransducer'sautomobile.Thiskindofexquisiteinstrumenthascomparedtotheothersimilarproductsobviousmerit:

1st,thecircuitdesignisexquisite,strict.Hasusedthehighperformanceintegratedcircuitandtheelectroniccomponent,theguaranteecircuithasthehighquality;Theuseoptimization'scircuitdesign,consideredmanydisadvantageoususeenvironment,enabletheinstrumentasfaraspossibleinthevoltage,thetemperature,thehumidity,thedustpollutionandsoonundercomplexchangefactormanyconditionstobeablethesteadywork.2nd,thereliabilityisgood.Inordertoenhancetheelectriccircuitworkthe

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reliability,notonlythepartpassesthroughscreenscarefully,moreoverpassesthrough2400hourstoroastmachinetheexperiment,itsoutercoveringisexquisite,mayinstallconvenientlyinthepocket,momentarilymaytaketheuse.3rd,simplicityofoperator,easytooperate.Onlyneedstoinserttothecigarlighteron,doesnotneedtogetout,allOK.4th,theusesecurity,feltrelieved.Evenifmeetsinstead,alsowillnotdamagetheinstrument,willnotdamageonthevehicleanything.5th,thespeedmayadjust.Youmaythespeedregulationhighest,mayalsoadjusttoafixture,forinstance300step.Isdifferentbasedonthevehicletype,thespeeddiffersfrom,maythespeedknobchangespeedthroughtheregulatinginstrumenton.

MonolithicintegratedcircuitAT89C2051byitslowprice,thelowpowerloss,thereliabilityhighandeasytoprogramandsooncharacteristicstobefamous,X25045isaMCS-51seriesmonolithicintegratedcircuitelectriccircuit'sauxiliarychip,mainlytakesonthereplacement,thevoltageexamination,thewatch-dogandtheEEPROMfunction,thischip'suseenhancedsystem'sreliabilitygreatly,reducedtheperipherychipnumber,mayrealizethepowerfailurewhichthecourseaccumulatestosave.LCM1010istentypebeltbacklightliquidcrystaldisplaymodule,usesthreeserialinterfaces,ithasthepowerlosstobelowandprogrammingconvenientcharacteristic.Thisdemonstrationisdividedtwolinesofdemonstrations,thefirstlineof6demonstrationaccumulationcourse,secondlineof4（1decimal）usesindemonstratingthesub-totalcourse.InthechartK1isthesub-totalcourseresetkey,R4usesinadjustingliquid-crystaldisplay'sangleofviewcontrastgradient.ChipX25045isXicorCorporationpromoteshasprogrammableμP

monitor'sCMOSserialEEPROM,has4096,accordingto512×8organizes.Ithas4bytespagestowritethewayand100,000usecycles,thedatamaypreservefor100years.Inordertoguaranteetheaccumulationcourseunittheunitsplaceorsub-totalunitdecimalplacereliablerefurbishing,whentheseunitcloselimitusecycle,mayadopttheformfeedthemeanstocausethesedatatomovetothenewunitcontinuestocount.

TheHallsensorhasmanymerits,theirstructureisreliable,thevolumeissmall,theweightislight,thelifeislong,theeasyinstallation,thepowerlossissmall,thefrequency

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high（mayreach1MHZ）,bearsthevibration,doesnotfearthedust,thegreasydirt,thewatervaporandthesaltmistandsoonpollutionorthecorrosion.TheHalllinearunit'sprecisionishigh,thelinearityisgood;TheHallswitchcomponentnon-contact,doesnothavetheattrition,theoutputwaveshapeclearly,nottohavethevibration,nottohavetherebound,thepositionrepeataccuracyhigh（tobepossibletoreachμmlevel）.HasusedeachkindofcompensationandtheprotectivemeasuresHallcomponent'soperatingtemperaturescopewidthmayreach-55?

~150?

.thisdesignrealizesthecourseby

monolithicintegratedcircuitAT89C2051toaccumulate,thesub-total,theresetandthememory,andactuatesthecrosscoilmeterbytheLM1819integratedcircuit,thushasrealizedthevehiclespeedinstruction.AgainusingHallsensortransmissionsignal.Realizesthisdesignproposalcosttobeinexpensive,theindicatorstabilityisgood,thespeedofresponseisquick,theanti-knockingpropertyisstrong,thereliabilityandtheperformance-to-priceratioareveryhigh.Aftertheactualuseproof,thisodometerdefinitelymaysubstituteforthetraditionthespeedometerwhichactuatesbytheflexibleaxle.Certainly,thisisonlyonekindrealizestheplan,mayalsoactuatethecrosscoilmeterbythemonolithicintegratedcircuitthroughthesoftware,namelycontrolsthemeterseparatelybythemonolithicintegratedcircuitthesinecoilandthecosinecoilomitstheLM1819integratedcircuit.Regardingthis,herenolongergivesunnecessarydetail.

Themonolithicintegratedcircuitcurriculumwasalreadythepracticalverystrongspecializedtechnologycurriculum,thebeginneronlythenthroughthemassiveprogramming,theexperiment,thedebugging,thedesignmanufactureandsoonaseriesofpracticelink'straining,couldunderstandtrulythemonolithicintegratedcircuitsoftwareandthehardwaredesignandthedebuggingskill,couldthenimbleutilizationmonolithicintegratedcircuit'seachcommandsystemandeachkindofdevelopmentdebuggingaids,designhighlyeffective,reliable,thelowpowerloss,thevolumesmallermonolithicintegratedcircuitapplicationsystem,manifestedmonolithicintegratedcircuit'sembeddedapplicationcharacteristicfully.Mustcarryonmonolithicintegratedcircuit'sdevelopment,theexperimentandthecurriculumprojectandsoon,musthaveasetofsoftwareand

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hardwaredevelopmentkit,likethismaysavemanyprecioustimeandtheenergy,raisestheworkingefficiency.Themonolithicintegratedcircuitisacomputerfamily'simportantbranch,ithasthevolumetobeyoung,pricelow,facecontrolcharacteristic,issuitableineachindustrialcontrol,theinstrumentsandmetersinstallment,hastheextremelywidespreadapplicationinthehumanproductionandlifeeachdomain.

Inrecentyears,microcomputer'sdevelopmentspeedletthecommonpeopleexclaiminsurprisesufficientlythattookonekindofbrand-newproductiveforcestakethecomputerastheleadinginformationtechnology,tosociety'seachdomainseepage,alsomadetheintegrationofmachinerytheadvancementtospeedupgreatly.

Theintegrationofmachineryisnowthetechniqueofmanufactureandtheproductdevelopmentmaintrend,isalsoourcountrymechanicalandelectricalindustrialdevelopmentwaythatmustbetaken.Maybelievethatitiswiththesystemengineeringviewpointandthemethod,howstudiesinthemechanicalandelectricalsystemandtheproductthemachinery,thecomputer,theinformationprocessingandtheautomaticcontroltechnologysynthesisapplication,inordertothemechanicalandelectricalsystemandtheproductachievesthebestcombination.Whattheintegrationofmachineryproductneedsistheembeddedmicrocomputer,butthemonolithicintegratedcircuithasthevolumetobesmall,theintegrationrateishigh,functionstrongandsooncharacteristics,issuitablefortheembeddedapplication.Thesmartinstrument,thedomesticelectricappliances,thenumerically-controlledmachinetool,theindustrialcontrolandsoontheelectromechanicaldeviceandtheproductusesthemonolithicintegratedcircuitunexpectedly.

Inthepresentcase,monolithicintegratedcircuit'sdevelopmentmomentumstilldoesnotreduce,eachkindofmodelandafunctionstrongermonolithicintegratedcircuitandthesuperconnectionchipappearunceasingly,isfurtherconstitutesthemulti-computersystemandthedistributionnetworktothetopleveldevelopment'simportantsymbol.Intheworldthemonolithicintegratedcircuitchip'soutputbyeveryyear27%speedincrease,tohadreached3,000,000,000piecesatthebeginningofthecentury,butourcountry'syeardemandhasalsosurpassedhundredmillionpieceofquantities,thisindicatedthatthe

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monolithicintegratedcircuithasthebroadapplicationprospect.Thiscurriculummainlyaimsatthepresentourcountryearlytimeapplicationquitewidespread“MCS-51”the

monolithicintegratedcircuittocarryonsystem'sexplanationandtheanalysis.Inordertouseanddevelopeachkindofintegrationofmachiner