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中英文翻译资料-- TC35i模块介绍.doc

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中英文翻译资料-- TC35i模块介绍.doc

1THETC35IMOLDPIECEINTRODUCTIONCURRENTLY,DOMESTICALREADYBEGINNINGUSAGEOFTHEGSMMOLDPIECEHAVEALOT,ANDTHESEOFFUNCTION,METHODOFUSINGDIFFERENCENOTBIGWHATTHISDESIGNADOPTIONISASIEMENSTC35THETC35IOFTHESERIESONTHISKINDOFWIRELESSMOLDPIECEFUNCTIONANDTC35ANDPERMIT,DESIGNTIGHTLYPACKED,CONSUMEDLYCONTRACTEDTHEPHYSICALVOLUMEOFCUSTOMERSPRODUCTTHETC35IANDGSM2/2ANDPERMIT,DUALBANDGSM900/GSM1800,RS232THEDATACONNECT,SHOULDMOLDPIECEANDRADIOFREQUENCYELECTRICCIRCUITANDJITAKEANDINTEGRALWHOLE,PROVIDETOWARDTHECUSTOMERSTANDARDOFATORDERCONNECT,ISDATA,SPEECH,SHORTNEWSANDFAXPROVIDEFAST,CREDIBILITY,SAFETYOFDELIVER,CONVENIENCECUSTOMEROFAPPLICATIONDEVELOPMENTANDDESIGN2USELYATINTRODUCTIONTHEFOLLOWISUSELLYTHEAT3THEPDUCODERULESENDOUTSHORTNEWSINCOMMONUSETEXTANDPDUPROTOCOLDATAUNIT,AGREEMENTDATAUNITMODECURRENTLYTHEUSAGETEXTMODERECEIVEANDDISPATCHAMESSAGECODESIMPLE,REALIZATIONGETUPVERYEASY,BUTTHEBIGGESTWEAKNESSBETOCANTRECEIVEANDDISPATCHCHINESEMESSAGE;BUTPDUMODENOTONLYSUPPORTCHINESEMESSAGE,ALSOTHEABILITYSENDOUTENGLISHMESSAGETHEPDUMODERECEIVEANDDISPATCHAMESSAGECANTHEUSAGEBE3KINDSOFTOCODE7BIT,8BITANDUCS2CODE7THEBITCODETOUSEDFORSENDOUTCOMMONOFASCIICHARACTERLIST,8BITCODEBEUSUALLYUSEDFORSENDINGOUTDATANEWS,UCS2CODEUSEDFORSENDINGOUTUNICODECHARACTERLISTGENERALPDUSCODEISCONSTITUTEBYABCDEFGHIJKLM13ATHEADDRESSLENGTHOFTHEMESSAGECENTER,216ENTERTOMAKENUMBERONEWORDSTANZABTHENUMBERTYPEOFTHEMESSAGECENTER,216ENTERTOMAKENUMBERCMESSAGECENTERNUMBER,BCLENGTHWILLFROMTHEDATADECISIONINTHEADDOCUMENTHEADWORDSTANZA,216ENTERTOMAKENUMBEREINFORMATIONTYPE,216ENTERTOMAKENUMBERFDRIVECALLNUMBERLENGTH,216ENTERTOMAKENUMBERGDRIVECALLNUMBERTYPE,216ENTERTOMAKENUMBER,TAKEVALUETOGETHERBHDRIVECALLNUMBER,LENGTHFROMDATAWITHINFDECISIONIAGREEMENTMARKING,216ENTERTOMAKENUMBERJTHEDATACODEAPROJECT,216ENTERTOMAKENUMBERKTERMOFVALIDITY,216ENTERTOMAKENUMBERLCUSTOMERDATALENGTH,216ENTERTOMAKENUMBERUSELYATATINSTRUCTIONFUNCTIONATCMGCSENDANSMSCOMMENDISSUEAMESSAGEORDERATCMGDDELETESMSMESSAGEDELETESIMCARDTHEINFORMATIONOFTHEMEMORYATCMGFSELECTSMSMESSAGEFORMATCHOICESHORTNEWSINFORMATIONFORMAT0PDU;1文本ATCMGLLISTSMSMESSAGEFROMPREFERREDSTORELISTSHORTPDU/TEXTOFTHENEWSFORMATINTHESIMCARDINORDERTOREAD0RECUNREAD,ONERECREADINORDERTOHAVEALREADYREAD,2STOUNSENTSISADUEOUT,3STOSENTISALREADYHAIR,4ALLISALLATCMGRREADSMSMESSAGEREADSHORTNEWSATCMGSSENDSMSMESSAGETHEHAIRSHORTNEWSATCMGWWRITESMSMESSAGETOMEMORYTOWRITEINTHESHORTNEWSOFDUEOUTINTHESIMMEMORYATCNMINEWSMSMESSAGESTORAGETHEMANIFESTATIONLATELYRECEIVESHORTNEWSATCPMSPREFERREDSMSMESSAGESTORAGETHECHOICESHORTNEWSMEMORYATCSCASMSSERVICECENTERADDRESSTHECHOICESHORTNEWSMEMORYATCSCBSELECTCELLBROADCASTMESSAGEMESSAGESCHOICEBEEHIVEBROADCASTINGINFORMATIONATCSMPSETSMSTEXTMODEPARAMETERSCONSTITUTIONSHORTNEWSTEXTORIGINMODEPARAMETERMCUSTOMERSDATA,ITSLENGTHFROMTHEDATADECISIONINTHELENACTMENTINJADOPTIONUCS2CODE,HEREISTHEUNICODECHARACTERLISTOFCHINESEENGLISH4RS232INTERFACERS232ISONEOFTHENORMALLYUSEDINTERFACESATANYTIME,ITNOTONLYBUILTINEVERYPCSET,BUTALSOBUILTINANYTYPESOFCOMPUTERSWHICHAREFROMMICROCONTROLLERTOHOSTCOMPUTERS,ANDEQUIPMENTCONNECTEDWITHTHEMTHEGENERALUSAGEOFRS232ISTOCONNECTAMODERN,THEOTHERARRANGEMENTSWITHRS232INTERFACESINCLUDEPRINTER,DATACOLLECTIONMODULE,TESTINGDEVICEANDCONTROLLOOPRS232CANBEALSOUSEDINTHESIMPLELINKOFANYTYPEOFCOMPUTERRS232ISDESIGNEDTODEALWITHTHECOMMUNICATIONBETWEENTWOARRANGEMENTSWITHDISTANCELIMITATIONFROM50TO100FT,WHICHDEPENDONPOTTERRATEANDTYPEOFELECTRICCABLEBECAUSEOFWIDEAPPLICATIONOFRS232PORT,ITSOTHERUSAGEISTOLINKANOTHERTYPEOFADAPTERCONVERTEDFORMTHEPORTFOREXAMPLE,ASIMPLELOOPCHANGESARS232INTOARS485PORTTHEPORTCANBELINKWITHSEVERALDEVICESBYMEANSOFALONGLEADNONEQUILIBRIUMLEADISUSEDTOLINKEDTORS232ALTHOUGHNONEQUILIBRIUMSHOULDSOMETHINGAVOIDABLE,ITONLYREFERSTOTHEELECTRICPROPERTYOFTHESIGNALINLEADINANONEQUILIBRIUMLEAD,SIGNALVOLTAGEISAPPLIEDTOANOTHERLEAD,ALLHASANOTHERTECHNICALTERM“SIGNALEND”ADVANTAGESINRS232RS232ISUSEDEVERYWHEREEVERYPCSETHASONEORMORERS232PORTSTHERENEWEDCOMPUTERSSUSTAINOTHERSERIALINTERFACESLIKEUSBBUTRS232CANDOMANYTHINGSWHICHUSBCAN’TDOINTHEMICROCONTROLLERINTERFACECHIPCANBEEASILYUSEDTOCHANGEINTORS232THEJOINTINGDISTANCECANREACH50100FTMANYEXTERNALINTERFACESARENOTUSEDFORTOOLONGDISTANCETHELONGESTDISTANCEJOINTOFUSBCANREACH16FTTHEDISTANCEBETWEENPARALLELPRINTERINTERFACEONTHEPCSETANDTHEHOSTCOMPUTERCANREACH10TO15FT,OR30FTBYUSINGTYPETEEE1284BDRIVERBUTRS232CANUSETHELONGERELECTRICCABLEIFEVERYRS232PORTISLINKEDWITHAMODERN,TELEPHONENETWORKCANUSEDTOSENDDATAINTHERAGEOFTHEWORLDFORADOUBLELINK,3LEADSARENEEDEDAPARALLELCIRCUITGENERALLYNEEDS8DATALINES,TWOORMORECONTROLSIGNALLINESANDGROUNDWIRES。ITISMOREEXPENSIVEIFMORELEADSANDBIGGERCONNECTORSAREUSEDDISADVANTAGESINRS232IFONESIDEOFLINKNEEDSPARALLELDATA,ITHASTOTRANSFORMSERIALINTOPARALLELDATABUTIFITISEASILYREALIZEDAUARTISUSEDBECAUSEOFTHESERIALPORTSOUSEFUL,ITISMAYBEHARDERTOLOOKFORAFREESERIALPORTPCSETMAYHAVEMANYSERIALPORTS,BUTASYSTEMMAYBECAN’TDISTRIBUTEASOLEBREAKINGENQUIRINGSIGNALTOEVERYSERIALPORTMOSTMICROCONTROLLERONLYHASONEHARDWARESERIALPORTNOMORETHAN2SETINONELINKTHEBIGGESTDESIGNATEDTRANSMITTINGRATEOFDATAIS2000BITS/SBUTMANYINTERFACECHIPCANSURPASSTHISNUMERICALVALUE,ESPECIALLYINTHESHORTDISTANCELINKALONGERLINKNEEDSADIFFERENTINTERFACEBASICSIGNALSOFTHEDOUBLERS232COMMUNICATIONASFOLLOWSTDTRANSFORMDATADTETODCEIT’SALSOCALLEDTXANDTXDRDTRANSFORMDATADCETODTEIT’SALSOCALLEDRXANDRXDSGSIGNALLANDIT’SALSOCALLEDGNDANDSGNDVOLTAGELOGIC0ISAPOSITIVERS232VOLTAGE,THELOGICELECTRICLEVELOFRS232ISINDICATEDWITHPOSITIVENEGATIVE,ANDNOTONLYUSETHEPOSITIVEVOLTAGESIGNALOFTHE5VTTLANDCMOSLOGICTOINDICATEINTHEDATALOGGERTDOFRS232,ALOGIC0ISDEFINEDEQUALTOORHIGHERTHAN5V,ANDALOGIC1DEFINEDEQUALTO5VORLOWERTHAN5VINANOTHERWORD,SIGNALUSETHENEGATIVELOGIC,INTHISLOGIC,THENEGATIVEVOLTAGEISLOGIC1CONTROLSIGNALUSESTHESAMEVOLTAGE,BUTITUSESPOSITIVELOGICAPOSITIVEVOLTAGEINDICATESTHISFUNCTIONISONANDANEGATIVEVOLTAGEINDICATESTHISFUNCTIONISOFFRS232INTERFACECHIPTRANSFORMTHESESIGNALSINREVERSEINOUTPUTPINOFONEUART,ALOGIC1DATUMORAOFFCONTROLSIGNALISCLOSETO5V,ITPRODUCESNEGATIVEVOLTAGEONTHEINTERFACEOFRS232ALOGIC0DATUMORANONCONTROLSIGNALISCLOSETO0V,ITPRODUCESAPOSITIVEVOLTAGEONTHEINTERFACEOFRS232BECAUSEOFTHERS232RECEPTORMAYBEATTHEENDOFALONGELECTRICALCABLE,WHENTHESIGNALREACHESTHERECEIVER,IT’SVOLTAGEISPROBABLYWEAKERORWITHTHENOISESIGNALINCONSIDERATIONOFTHISCIRCUMSTANCEMINIMUMATTHERECEIVERSHOULDBELOWERTHANTHEVOLTAGEATTHEDRIVERANINPUTHIGHERTHAN3VONTHERDAREALOGIC0,ORONACONTROLINPUTISOPENANINPUTLOWERTHAN3VONTHERDAREALOGIC1,ORONACONTROLINPUTISOFFACCORDINGTOTHISSTANDARD,INPUTLOGICELECTRICALLEVELBETWEEN3VAND3VHAVENODEFINITIONNOISETOLERABLELIMITATIONORVOLTAGETOLERABLELIMITATIONISDIFFERENCEOUTPUTVOLTAGEANDINPUTVOLTAGETHEBIGVOLTAGEUNDULATIONFROMRS232LEADTOANOISETOLERABLELIMITATIONWIDERTHANLOGIC5TTLFOREXAMPLE,EVENTHOUGHTAOUTPUTFROMRS232DRIVERISTHESMALLEST5V,IT’SALSOBEWEAKENINTHERECEIVERORTHENOISEPEAKRISETO2V,ANDSTILLISAEFFECTIVELOGIC0MANYOUTPUTSFROMRS232HAVETHEWIDERVOLTAGEUNDULATION9VAND12VAREVERYCOMMONAFFAIRSALLTHESEAFFAIRSCANLEADTOANOISELIMITATIONTHEBIGGESTPERMITTINGVOLTAGEUNDULATIONIS15V,EVENTHOUGHTHERECEIVEMUSTHAVENOHARMTODEALWITHTHEVOLTAGEHIGHERTO25VTHEOTHERTWOTECHNICALTERMSCONCERNWITHRS232TOBEUSEDISMARKANDSPACESPACEISLOGIC0ANDMARKISLOGIC1THESETWOTECHNICALTERMSWHICHWASUSEDBYTHEMACHINERECORDINGINSTRUMENTTORECORDBINARYDATAINMANYYEARSAGO,EACHOFTHEMAREREPRESENTATIONPHYSICALANDBLANK

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