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中英文翻译--TM卡.doc中英文翻译--TM卡.doc -- 5 元

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TMCardInthissystemTMTouchMemorythecardtookfirstcardthiscardalsoiscalledtheinformationbuttonisAmericanDALLASCorporationspatentproduct,itusesthesingletrackagreementcommunication,throughinstantaneousbumpstouchescompletesthedatareadwrite,TtheMcardcontourissimilartoabuttonbattery,usesdiameter17mm,Thethick36mmbuttonshapestainlesssteeloutercoveringseal,maymounttothecard,Thekeybucklesandsointheobject.Thenotvulnerablepartortheeasyspoiledpart,tohavecarriesConvenient,theantihit,waterdamagedguardsagainst,anticorrosive,theantimagneticdisturbance,guardsagainstfoldsandsoontoberemarkableThecharacteristic,issuitableforthebadenvironment.1–WirecorrespondenceagreementcausesTtheMcarddepositandwithdrawaldatatobeextremelyconvenient,gentlyassoonasbumpswiththecontact,instantaneousthenRoundnumberaccordingtoinformationreadwriteoperation,itsperfectsecurityaccessmode,trueGuaranteesthedatamessagetohavethequitehighsecurityreliability.TMcardtypenumerousMany,theperformanceisdiverse.UsesDS1990AinthissystemF3/F5modelsthecardtotakethekeycard,onthiscardeachchipallengraveshastheunique64binaryIDcodetotaltobepossibletoreach280000000000000tohavemaynotfalseMakesthenature,permanentengravesintheproductionprocessiswiththelasercraftonROM,andAddedtheprotector,anyattemptchangesthisnumberalltobeabletocauseCRCtoverifyTheregulationmakesamistake.Enormousenhancementsystemsecurity.TouchMemoryCardbecauseitsshaperesemblesthebuttonthesize,takesonekindofinformationproduct,oftenIscallediButtoninformationbuttonabbreviation,Italyisinformationbutton.ItisAmericanDallsthesCorporationspatentproducesSequencenumberwhich,oneachiButtonhaswhichthedifferentserialnumber,cannotbechanged64IDlaserinteriorcarves,hasonlyOnemaytheunderstandingitscodecapacityreach264.Itscoreisusesthesingletrackserialtransmissionagreementtotouchthetypememory1wireTouchMemory,sealsinthebuttontypeinthestainlesssteelvessel.ThetypicalcharacteristicliesinpassivebyalinerealizesthedataReads,writesandthestatustherecognition,solongaswithpokesheadingentlyassoonastobumptouches,instantaneouscompletescompletelyoperates.iBttonthenproducthasbeenthroughrepeatedlyseveralmillionoperationsStillcouldguaranteepreciseisreliablereadwrite.ItsinstituteHassafely,isconvenient,durably,thecharacteristicButwidelyusesinfinancial,theelectroniccharge,theelectroniccardElectronsafetysystemaswellasresourcesuseauthorizationAndsooneachkindofneedinformationencryptionrecognitiondomain.IsbecauseiButtonhasthemagnetismcard,ICcardfunctionButalsohastheobvioussuperiority,itisfrequentlymanufacturedBecomesthepublictransportationvehiclebuspermitcard,thestaffchecksattendancethecard,eachkindofelectricitySubchargecardandsoon,thegeneraldesignationistheTMcard.TheiButton®isacomputerchipenclosedina16mmthickstainlesssteelcan.Becauseofthisuniqueanddurablecontainer,uptodateinformationcantravelwithapersonorobjectanywheretheygo.ThesteeliButtoncanbemountedvirtuallyanywherebecauseitisruggedenoughtowithstandharshenvironments,indoorsoroutdoors.Itissmallandportableenoughtoattachtoakeyfob,ring,watch,orotherpersonalitems,andbeuseddailyforapplicationssuchasaccesscontroltobuildingsandcomputers,assetmanagement,andvariousdataloggingtasks.ThesiliconchipwithintheiButtonisprotectedbytheultimatedurablematerialstainlesssteel.YoucandropaniButton,steponit,orscratchit.TheiButtonisweartestedfor10yeardurability.DS1990Aneedsthestrictagreementtoguaranteethedatatheintegritytransmission,theagreementiscomposedbyfourkindoftypessignalsBythereplacementpulseandthereplypulseconstitutionreplacementsequence,writes0,writes1,readingaccordingto.Besidesansweringsignal,othersignalsbybuscontrolunitinitialization.AllandDS1990Acommunicationallbyinitializationsequencestart.ThebuscontrolunitherefigureofmicroprocessortransmitsTXareplacementpulseTrest,atleast480mus,thenreleasesthemainlineandentersthereceiveconditionRX,themainlinepullstheresistancethroughontosethigh.DS1,990Aexaminesthedataendtherisealongafter,enterstheshortwaitingstatusTpdh1560mus,thentransmitsareplypulseTpdl60240mus,completesthereplacementwork.DS1990Apreparestotransmitorthereceivedata.Likechart4showsforthereplacementandthereplysuccession.Oncethebuscontrolunitexaminesthereplypulse,thensendsoutROtheMorder,TMmajorcommandforexampleLamdaReadROM,thisorderpermissionbuscontrolunitreadsDS1990A8seriescodes,48forewordsnumberand8CtheRCyard.Afterorderscorrectlytoaccept,iButtonproducesIDdataonthemainlineLamdaMatchROM,thisordermayuseinonthemainlinetoturnonindividuallyormanyTouchMemorycomponentsituation.The1Wirebushasonlyasinglelinebydefinitionitisimportantthateachdeviceonthebusbeabletodriveitattheappropriatetime.Tofacilitatethis,eachdeviceattachedtothe1Wirebusmusthaveopendrainortristateoutputs.The1WireportoftheDS1996Amultidropbusconsistsofa1Wirebuswithmultipleslavesattached.Atstandardspeedthe1Wirebushasamaximumdatarateof16.3kbps.Thevalueofthepullupresistorprimarilydependsonthenetworksizeandloadconditions.Formostapplicationstheoptimalvalueofthepullupresistorisapproximately2.2k.Theidlestateforthe1Wirebusishigh.Ifforanyreasonatransactionneedstobesuspended,thebusMUSTbeleftintheidlestateifthetransactionistoresume.Ifthisdoesnotoccurandthebusisleftlowformorethan120µs,oneormoredevicesonthebusmaybereset.All1Wire®devicedatasheetsdescribetwosetsofcommands.ThefirstsetreferredtoasROMFunctionCommandsareusedfordeviceidentificationandselection.ThesecondsetisoftencalledMemoryFunctionCommandsbutmaycontainothernonmemoryoperations.AROMFunctionCommandmustbecompletedeachtimeadeviceisselectedtogetitreadyforaMemoryFunctionCommand.The1WireAPIscreatedbyDallasSemiconductorutilizethesecommandstodooperationswith1Wiredevices.Sometimesitisnotalwaysobviouswhatcommandsarebeingcalled.ThisdocumentwillmapthecommandspresentedinthedatasheetstotheAPIfunctions.WherespecificAPIfunctionsarenotavailable,atechniquewillbepresentedtotranslatethecommandsusingthegenericcommunicationsAPIfunctions.Intheusualsituation,TMandthemicrocomputerselecttwomethodstocarryonthedataexchange.OnekindisutilizesstandardserialmouthCOM1,COM2Moreoverusestheprinterparallelmouth.Thisarticlecarriesontheintroductiontakethestringmouthwayastheexample.Inthemicrocomputer,byRSD232standardworkCOM,usesthenegativelogical±12VworkpowersourceThiswithTtheMcardconnectionlevelsymbol,doesnotneedtocarryontheleveltransformation.ConnectionsoftwarewiththegreatassemblyortheClanguagecompilation,isrestrictedinthelengthonlytointroducetheprincipleofworkFirstinitializationhypothesismicrocomputerserialmouthbaudrateAfterthatcardissendingoutthereplacementpulsebytheporttoTtheM,connectsinparallelfashionisrepliedtheinformationWhenTtheMcardpreparationwillbereadylatertobeallowedtodeftotheordercodetocarryonthedatatransmission.Theprogrammingkeyquestionis,establishesthemoreaccuratetimeseries.ThiscommandallowsthebusmastertoreadtheDS1996s8bitfamilycode,unique48bitserialnumber,and8bitCRC.Thiscommandcanonlybeusedifthereisasingleslavedeviceonthebus.Ifmorethanoneslaveispresentonthebus,adatacollisionwilloccurwhenallslavestrytotransmitatthesametimeopendrainwillproduceawiredANDresult.Theresultantfamilycodeand48bitserialnumberwillresultinamismatchoftheCRC.er
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