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中英文外文翻译--基于GSM模块与AT89C51的接口设计及应用.doc

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中英文外文翻译--基于GSM模块与AT89C51的接口设计及应用.doc

BasedonGSMmoduleandAT89C51connectiondesignandapplicationAbstractThisarticlethroughanalyzedtheGSMmoduleandthemonolithicintegratedcircuitconnectiondesignsimplyintroducedtheTC35imodulecommonlyusedinstructionandthecodingrule,introducedemphaticallytheTC35imoduleandtheAT89C51principleofwork,theperipheryconnectionelectriccircuit,thesoftwarecontroltechnology,atthesametimehasproducedsomeTC35imoduleandtheAT89C51connectionapplicationprocedure,proposedAT89C51whenreceivedatashouldpayattentionquestion,thusdesignedhastheGSMmodulethedatatransmissionterminal.KeywordSIMCardGSMATInstructionTC35iAT89C511SummarizeAlongwithcorrespondencetechniqueofdevelopment,accordingtotheservicefunctionoftheNTTDoCoMonet,justtoindustrycontrolandcontrolfromadistancetherealmhavecontinuouslyextensionoftrend.Isorientationthiskindofdemand,SiemenscompanyreleasedanewgenerationwirelesscorrespondenceGSMmoldpieceTC35i,accordingtoshouldtheshortnewsfunctionofthemoldpiece,canfastsafetycredibilityrealizationcustomerinformationprocessingetc.function,specialbeapplicabletocontrolcentreandterminalequipmentsdistanceveryfar,orinconvenienceadoptionwiredcorrespondenceliequalityetc.situation,forexampletheoilwellinformationcollectbehindofdeliver,thelongrangecopyformsystem,citytransportationdirectionetc.allaccordingtotheTC35imoldpiecetorealization.2TheTC35imoldpieceintroductionCurrently,domesticalreadybeginningusageoftheGSMmoldpiecehavealot,andtheseoffunction,methodofusingdifferencenotbig.WhatthisdesignadoptionisaSiemensTC35theTC35ioftheseries.OnthiskindofwirelessmoldpiecefunctionandTC35andpermit,designtightlypacked,consumedlycontractedthephysicalvolumeofcustomersproduct.TheTC35iandGSM2/2andpermit,dualbandGSM900/GSM1800,RS232thedataconnect,shouldmoldpieceandradiofrequencyelectriccircuitandJitakeandintegralwhole,providetowardthecustomerstandardofATorderconnect,isdata,speech,shortnewsandfaxprovidefast,credibility,safetyofdeliver,conveniencecustomerofapplicationdevelopmentanddesign.2.1TheGSMATinstructionintroductionthatthemoldhassomethingtodowithSMSinthepieceTheorderforprovideoftheGSMpoweredmoldpiecematchGSM07.05andGSM07.07norm.IntheGSM07.07definitionoftheATCommandconnectandprovidedakindofwhichmoveterraceanddataterminalequipmentsofingeneraluseconnectTheGSM07.05madetotheshortnewsdetailedofprovision.Atshortnewsmoldpiecereceivenetworkhairofshortnews,cansendoutadesignationinformationthroughastringof,thedataterminalequipmentscansendouttowardtheGSMmoldpiecevariousorder.TheinstructionofGSMAThavingsomethingtodowithSMSsuchasList1toshow.TheinstructionofGSMATgather,issignedletter,MotorolaandHPetc.factoryhousebyNokia,lovetotogetherdevelopfortheGSMsystemof,amongthemincludecontrolSMSShortMessageService.List1WithSMSsomerelatedinstructionofGSMATATinstructionfunctionATCMGCSendanSMScommendissueamessageorderATCMGDDeleteSMSmessagedeleteSIMcardtheinformationofthememoryATCMGFSelectSMSmessageformatchoiceshortnewsinformationformat0PDU1文本ATCMGLListSMSmessagefrompreferredstorelistshortPDU/TEXTofthenewsformatintheSIMcardInordertoread0RECUNREAD,oneRECREADinordertohavealreadyread,2STOUNSENTsisadueout,3STOSENTisalreadyhair,4ALLisallATCMGRReadSMSmessagereadshortnewsATCMGSSendSMSmessagethehairshortnewsATCMGWWriteSMSmessagetomemorytowriteintheshortnewsofdueoutintheSIMmemoryATCNMINewSMSmessagestoragethemanifestationlatelyreceiveshortnewsATCPMSPreferredSMSmessagestoragethechoiceshortnewsmemoryATCSCASMSservicecenteraddressthechoiceshortnewsmemoryATCSCBSelectcellbroadcastmessagemessageschoicebeehivebroadcastinginformationATCSMPSetSMStextmodeparametersconstitutionshortnewstextoriginmodeparameter2.2ThePDUcoderuleSendoutshortnewsincommonuseTextandPDUProtocolDataUnit,agreementdataunitmodecurrently.TheusageTextmodereceiveanddispatchamessagecodesimple,realizationgetupveryeasy,butthebiggestweaknessbetocantreceiveanddispatchChinesemessageButPDUmodenotonlysupportChinesemessage,alsotheabilitysendoutEnglishmessage.ThePDUmodereceiveanddispatchamessagecantheusagebe3kindsoftocode7bit,8bitandUCS2code.7thebitcodetousedforsendoutcommonofASCIIcharacterlist,8bitcodeBeusuallyusedforsendingoutdatanews,UCS2codeusedforsendingoutUnicodecharacterlist.GeneralPDUscodeisconstitutebyABCDEFGHIJKLM13.ATheaddresslengthofthemessagecenter,216entertomakenumberonewordstanzaBThenumbertypeofthemessagecenter,216entertomakenumber.CMessagecenternumber,BClengthwillfromthedatadecisionintheA.DDocumentheadwordstanza,216entertomakenumber.EInformationtype,216entertomakenumber.FDrivecallnumberlength,216entertomakenumber.GDrivecallnumbertype,216entertomakenumber,takevaluetogetherB.HDrivecallnumber,lengthfromdatawithinFdecision.IAgreementmarking,216entertomakenumber.JThedatacodeaproject,216entertomakenumber.KTermofvalidity,216entertomakenumber.LCustomerdatalength,216entertomakenumber.MCustomersdata,itslengthfromthedatadecisionintheL.EnactmentinJadoptionUCS2code,hereistheUnicodecharacterlistofChineseEnglish.3thehardwareoftheTC35iandlistslicemachineconnectapeopleselectriccircuitTheTC35imoldpieceismaintosaveaccordingtotheprocessor,GSMradiofrequencymoldpiece,powersupplymoldpiece,ShanfromtheGSM,theZIFconjunctionmachine,antennaconnectsixpartconstitute.ConnectmachinewithalistslicemachinerealizationelectriccircuittoconnectthroughaZIF,shouldconnectreadorsendouttheTC35imoldpieceinofdata.4listslicethesoftwareofthemachineandTC35iconnectandcontrolprincipleListslicethesoftwareofthemachineandTC35iconnectinfactbelistslicethemachinepassATinstructioncontrolcellularphoneofcontroltechnique,firstconstitutiontheTC35imoldpieceofworkmodeATCMGFn,n0isaPDUmodeN1writeanarticlethismodeUsuallytheconstitutionisaPDUmode,underthiskindofmode,abilitytransmissionoracceptatransparentdata.customerfromdefinitiondataATCMGRninordertoreadtheshortnewsdataoftheTC35imoldpiece,thenisashortnewsnumber.ATCMGLninordertolisttheshortnewsintheTC35imoldpiece,n0istheshortnewswhichread,natheshortnewswhichhavebeenalreadyread,n2shortnewswhichsentout,n3forhavealreadysendoutofshortnewsn4isallshortnews.ATCMGDthenistheshortnewswhichdeletetheTC35imoldpieceandthenisashortnewsserialnumber.4MasterroutineThesoftwareplaitdistancepasstowriteintowardtheTC35idissimilarityofATinstructionabilitycompletionvarietyfunction,suchasnetworkdebarkation,readSIMcardtoptelephonenumber,sendoutSMSnewsandreceiveSMSnewsetc..Theinstructionsign,constant,PDUdata...etc.ofATinstructionallcodeformtransmissionbyASCIIThetransmissiontransparentdatahavetopairoftheTC35imoldpieceofworkmodeconstitutionisPDUmodeListslicemachinetowardtheTC35imoldpieceaftersendouteachinstructionhavetowithreturntocarsignconductandactionsshouldinstructionofbeover,forexamplelistslicethemachinesendoutinstructioninATCMGF0towardthecellularphone,itsASCIIcodesequenceis41H,54H,2BH,42H,4DH,47H,46H,3DH,30H,0DH,thelastwordstanza0DHistoreturntocarsign,meanthatinstructionbeover,ifhavenothistoreturntocarsign,thecellularphonewontidentifythisinstruction.WhentheATinstructionwhichreceivetoanintegrityoftheTC35imoldpieceafter,theTC35imoldpiecenotsummaryexecutionshouldinstruction,butfirstjustreceiveoftheASCIIoftheATinstructioncodesequenceallantisendoutcontain0DHSecondlysendoutatheASCIIwhichreturntocarsignwithacarriagereturnsigntocode,namely0DHwith0AHThenperformanceshouldinstruction.ThelistslicemachinereadthePDUdataoftheTC35imoldpiece,originalitydatashouldis16entermakenumber,butreadbackofdatastillisanASCIImeanof16entermakenumber.Soawordstanzaof16enteredtomakenumberandthenbecame2wordstanzaofASMIIcode.ButthePDUdatadatawordstanzalengthwithinpackpartstillisactualcharacterlistlength.ButisntthewordstanzawhichbecomeASCIIcodelength,thisatplaitdistanceshouldspecialattention,otherwisereceiveofdatanotintegrity.ThelistslicemachineisafterreceivingaPDUdatapackdatahavetoitsinstaurationbecome16entermakeadata,itscalculatewayasfollowsEstablishafortheASCIIcodereceive,bfortheconversionisbehindof16entermakenumber.Soifa39H,bh07Ha30.Endpairofinfrontandbacktwopiecesmergerisawordstanza.5ConcludingremarkTheusagecellularphonemoldpiecebenefitisatthesystemintegration,thecostbelower.Installcorrespondencecircuitinsecludedregionetc.difficultyoruneconomicalplace,engineeringservicefacilitiescanfreedomvividofconstitution,nolongerbesubjectedtogeographyconditionofrestriction.Infine,GSMmoldpiecethepricebecheap,applicationextensive,applicationtheforegroundbecaptivating,passwithcellularphonemoldthepiececonnectcanveryconvenienceofdesigncustomerdemandofthedatareceiveterminal.

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