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中英文翻译资料-- TC35i模块介绍.doc中英文翻译资料-- TC35i模块介绍.doc -- 5 元

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1TheTC35imoldpieceintroductionCurrently,domesticalreadybeginningusageoftheGSMmoldpiecehavealot,andtheseoffunction,methodofusingdifferencenotbig.WhatthisdesignadoptionisaSiemensTC35theTC35ioftheseries.OnthiskindofwirelessmoldpiecefunctionandTC35andpermit,designtightlypacked,consumedlycontractedthephysicalvolumeofcustomersproduct.TheTC35iandGSM2/2andpermit,dualbandGSM900/GSM1800,RS232thedataconnect,shouldmoldpieceandradiofrequencyelectriccircuitandJitakeandintegralwhole,providetowardthecustomerstandardofATorderconnect,isdata,speech,shortnewsandfaxprovidefast,credibility,safetyofdeliver,conveniencecustomerofapplicationdevelopmentanddesign.2UselyATintroductionThefollowisusellytheAt.3ThePDUcoderuleSendoutshortnewsincommonuseTextandPDUProtocolDataUnit,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.UselyATATinstructionfunctionATCMGCSendanSMScommendissueamessageorderATCMGDDeleteSMSmessagedeleteSIMcardtheinformationofthememoryATCMGFSelectSMSmessageformatchoiceshortnewsinformationformat0PDU1文本ATCMGLListSMSmessagefrompreferredstorelistshortPDU/TEXTofthenewsformatintheSIMcardInordertoread0RECUNREAD,oneRECREADinordertohavealreadyread,2STOUNSENTsisadueout,3STOSENTisalreadyhair,4ALLisallATCMGRReadSMSmessagereadshortnewsATCMGSSendSMSmessagethehairshortnewsATCMGWWriteSMSmessagetomemorytowriteintheshortnewsofdueoutintheSIMmemoryATCNMINewSMSmessagestoragethemanifestationlatelyreceiveshortnewsATCPMSPreferredSMSmessagestoragethechoiceshortnewsmemoryATCSCASMSservicecenteraddressthechoiceshortnewsmemoryATCSCBSelectcellbroadcastmessagemessageschoicebeehivebroadcastinginformationATCSMPSetSMStextmodeparametersconstitutionshortnewstextoriginmodeparameterMCustomersdata,itslengthfromthedatadecisionintheL.EnactmentinJadoptionUCS2code,hereistheUnicodecharacterlistofChineseEnglish.4RS232InterfaceRS232isoneofthenormallyusedinterfacesatanytime,itnotonlybuiltineveryPCset,butalsobuiltinanytypesofcomputerswhicharefrommicrocontrollertohostcomputers,andequipmentconnectedwiththem.ThegeneralusageofRS232istoconnectamodern,theotherarrangementswithRS232interfacesincludeprinter,datacollectionmodule,testingdeviceandcontrolloop.RS232canbealsousedinthesimplelinkofanytypeofcomputer.RS232isdesignedtodealwiththecommunicationbetweentwoarrangementswithdistancelimitationfrom50to100ft,whichdependonPotterrateandtypeofelectriccable.BecauseofwideapplicationofRS232port,itsotherusageistolinkanothertypeofadapterconvertedformtheport.Forexample,asimpleloopchangesaRS232intoaRS485port.Theportcanbelinkwithseveraldevicesbymeansofalonglead.NonequilibriumleadisusedtolinkedtoRS232.Althoughnonequilibriumshouldsomethingavoidable,itonlyreferstotheelectricpropertyofthesignalinlead.Inanonequilibriumlead,signalvoltageisappliedtoanotherlead,allhasanothertechnicaltermsignalend.AdvantagesinRS232RS232isusedeverywhere.EveryPCsethasoneormoreRS232ports.TherenewedcomputerssustainotherserialinterfaceslikeUSB.ButRS232candomanythingswhichUSBcantdo.InthemicrocontrollerinterfacechipcanbeeasilyusedtochangeintoRS232.Thejointingdistancecanreach50100ft.Manyexternalinterfacesarenotusedfortoolongdistance.ThelongestdistancejointofUSBcanreach16ft.ThedistancebetweenparallelprinterinterfaceonthePCsetandthehostcomputercanreach10to15ft,or30ftbyusingTypeTEEE1284Bdriver.ButRS232canusethelongerelectriccable.IfeveryRS232portislinkedwithamodern,Telephonenetworkcanusedtosenddataintherageoftheworld.Foradoublelink,3leadsareneeded.Aparallelcircuitgenerallyneeds8datalines,twoormorecontrolsignallinesandgroundwires。Itismoreexpensiveifmoreleadsandbiggerconnectorsareused.DisadvantagesinRS232Ifonesideoflinkneedsparalleldata,ithastotransformserialintoparalleldata.ButifitiseasilyrealizedaUARTisused.Becauseoftheserialportsouseful,itismaybehardertolookforafreeserialportPCsetmayhavemanyserialports,butasystemmaybecantdistributeasolebreakingenquiringsignaltoeveryserialport.Mostmicrocontrolleronlyhasonehardwareserialport.Nomorethan2setinonelink.Thebiggestdesignatedtransmittingrateofdatais2000bits/s.Butmanyinterfacechipcansurpassthisnumericalvalue,especiallyintheshortdistancelink.Alongerlinkneedsadifferentinterface.basicsignalsofthedoubleRS232communicationasfollowsTD.TransformdataDTEtoDCEItsalsocalledTXandTXD.RD.TransformdataDCEtoDTEItsalsocalledRXandRXD.SG.Signalland.ItsalsocalledGNDandSGND.VoltageLogic0isapositiveRS232voltage,thelogicelectriclevelofRS232isindicatedwithpositivenegative,andnotonlyusethepositivevoltagesignalofthe5VTTLandCMOSlogictoindicate.InthedataloggerTDofRS232,alogic0isdefinedequaltoorhigherthan5V,andaLogic1definedequalto5Vorlowerthan5V.Inanotherword,signalusethenegativelogic,inthislogic,thenegativevoltageisLogic1.Controlsignalusesthesamevoltage,butitusespositivelogic.Apositivevoltageindicatesthisfunctionisonandanegativevoltageindicatesthisfunctionisoff.RS232interfacechiptransformthesesignalsinreverse.InoutputpinofoneUART,Alogic1datumoraoffcontrolsignaliscloseto5V,itproducesnegativevoltageontheinterfaceofRS232.Alogic0datumoranoncontrolsignaliscloseto0V,itproducesapositivevoltageontheinterfaceofRS232.BecauseoftheRS232receptormaybeattheendofalongelectricalcable,whenthesignalreachesthereceiver,itsvoltageisprobablyweakerorwiththenoisesignal.Inconsiderationofthiscircumstanceminimumatthereceivershouldbelowerthanthevoltageatthedriver.Aninputhigherthan3VontheRDareaLogic0,oronacontrolinputisopen.Aninputlowerthan3VontheRDareaLogic1,oronacontrolinputisoff.Accordingtothisstandard,inputlogicelectricallevelbetween3Vand3VhavenodefinitionNoisetolerablelimitationorvoltagetolerablelimitationisdifferenceoutputvoltageandinputvoltage.ThebigvoltageundulationfromRS232leadtoanoisetolerablelimitationwiderthanlogic5TTL.Forexample,eventhoughtaoutputfromRS232driveristhesmallest5V,itsalsobeweakeninthereceiverorthenoisepeakriseto2V,andstillisaeffectiveLogic0.ManyoutputsfromRS232havethewidervoltageundulation±9Vand±12Vareverycommonaffairs.Alltheseaffairscanleadtoanoiselimitation.Thebiggestpermittingvoltageundulationis±15V,eventhoughthereceivemusthavenoharmtodealwiththevoltagehigherto±25V.TheothertwotechnicaltermsconcernwithRS232tobeusedisMarkandSpace.SpaceisLogic0andMarkisLogic1.Thesetwotechnicaltermswhichwasusedbythemachinerecordinginstrumenttorecordbinarydatainmanyyearsago,eachofthemarerepresentationphysicalandblank.
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