ata5577规格书

ATMELCONFIDENTIALATMELCONFIDENTIALFeatures•ContactlessPowerSupply�ContactlessRead/WriteDataTransmission�RadioFrequencyfRFfrom100kHzto150kHz�BasicModeorExtendedMode�CompatiblewithT5557,ATA5567�Replacementfore5551/T5551inMostCommonOperationModes�ConfigurableforISO/IEC11784/785Compatibility�Total363BitsEEPROMMemory:11Blocks(32Bits+1LockBit)–7×32BitsEEPROMUserMemoryIncluding32-bitPasswordMemory–2×32BitsforUniqueID–1×32-bitOptionRegisterinEEPROMtoSetUptheAnalogFrontEnd:�ClockandGapDetectionLevel�ImprovedDownlinkTiming�ClampandModulationVoltage�SoftModulationSwitching�WriteDampingliketheT5557/ATA5567orwithResistor�DownlinkProtocol–1×32-bitConfigurationRegisterinEEPROMtoSetup:�DataRate:–RF/2toRF/128,BinarySelectableor–FixedBasicModeRates�Modulation/Coding:–Bi-phase,Manchester,FSK,PSK,NRZ�OtherOptions:–PasswordMode–MaxBlockFeature–DirectAccessMode–SequenceTerminator(s)–BlockwiseWriteProtection(LockBit)–Answer-On-Request(AOR)Mode–InverseDataOutput–DisableTestModeAccess–FastDownlink(~6Kbits/sversus~3Kbits/s)–OTPFunctionality–InitDelay(~67ms)�HighQ-antennaToleranceDuetoBuildinOptions�AdaptabletoDifferentApplications:AccessControl,AnimalIDandWasteManagement�On-chipTrimmedAntennaCapacitor:–250pF/330pF(±3%)–75pF/130pF(OnRequest)–WithoutOn-chipCapacitor(OnRequest)�PadOptions–ATA5577M1�100µm×100µmforWireBondingorFlipChip–ATA5577M2�200µm×400µmforDirectCoilBondingRead/WriteLFRFIDIDIC100to150kHzATA5577Preliminary4967CX–RFID–12/0824967CX–RFID–12/08ATA5577[Preliminary]ATMELCONFIDENTIALATMELCONFIDENTIAL1.DescriptionTheATA5577isacontactlessread/writeidentificationIC(IDIC®)forapplicationsinthe125-kHzor134-kHzfrequencyband.AsinglecoilconnectedtothechipservesastheIC’spowersupplyandbi-directionalcommunicationinterface.Theantennaandchiptogetherformatransponderortag.Theon-chip363-bitEEPROM(11blockswith33bitseach)canbereadandwrittenblock-wisefromabasestation(reader).DataistransmittedfromtheIDIC(uplink)usingloadmodulation.ThisisachievedbydampingtheRFfieldwitharesistiveloadbetweenthetwoterminalsCoil1andCoil2.TheICreceivesanddecodesserialbasestationcommands(downlink),whichareencodedas100%amplitudemodulated(OOK)pulse-interval-encodedbitstreams.2.CompatibilityTheATA5577isdesignedtobecompatiblewiththeT5557/ATA5567.Thestructureofthecon-figurationregisterisidentical.Thetwomodes,BasicmodeandExtendedmode,arealsoavailable.TheATA5577isabletoreplacethee5551/T5551inmostcommonoperationmodes.Inallapplications,thecorrectfunctionalityofthereplacementsmustbeevaluatedandproved.Forfurtherdetails,refertoAtmel®’swebsiteforproduct-relevantapplicationnotes.3.SystemBlockDiagramFigure3-1.RFIDSystemUsingATA5577TagDataReaderorBasestationATA5577Power1)Maskoption1)TransponderCoilinterfaceControllerMemory34967CX–RFID–12/08ATA5577[Preliminary]ATMELCONFIDENTIALATMELCONFIDENTIAL4.ATA5577-FunctionalBlocksFigure4-1.BlockDiagram4.1AnalogFrontEnd(AFE)TheAFEincludesallcircuitsthataredirectlyconnectedtothecoilterminals.ItgeneratestheIC'spowersupplyandhandlesthebi-directionaldatacommunicationwiththereader.Itconsistsofthefollowingblocks:�RectifiertogenerateaDCsupplyvoltagefromtheACcoilvoltage�Clockextractor�SwitchableloadbetweenCoil1andCoil2fordatatransmissionfromthetagtothereader�Field-gapdetectorfordatatransmissionfromthebasestationtothetag�ESD-protectioncircuitry4.2AFEOptionRegisterTheoptionregistermaintainsareadableshadowcopyofthedataheldintheEEPROMblock3page1.Thiscontainstheanalogfrontend’slevelandthresholdsettings,aswellasenhanceddownlinkprotocolselectionwithwhichthedevicecanbefinetunedforperfectoperationandallapplicationenvironments.Itiscontinuallyrefreshedduringread-modeoperationand(re-)loadedaftereveryPOReventorresetcommand.Bydefaulttheoptionregisterispre-programmedaccordingtoTable10-1onpage40.4.3Data-rateGeneratorThedatarateisbinaryprogrammabletooperateatanyeven-numbereddataratebetweenRF/2andRF/128ortoanyofthefixedBasicmodedatarates(RF/8,RF/16,RF/32,RF/40,RF/50,RF/64,RF/100andRF/128).Memory(363-bitEEPROM)ModulatorAFEoptionregisterAnalogfrontendData-rategeneratorWritedecoderPORCoil2Coil1ControllerTestlogicHVgeneratorInputregisterModeregister1)Maskoption1)44967CX–RFID–12/08ATA5577[Preliminary]ATMELCONFIDENTIALATMELCONFIDENTIAL4.4WriteDecoderThewritedecoderdetectsthewritegapsandverifiesthevalidityofthedatastreamaccordingtotheAtmele555xdownlinkprotocol(pulseintervalencoding).4.5HVGeneratorThison-chipchargepumpcircuitgeneratesthehighvoltagerequiredtoprogramtheEEPROM.4.6DCSupplyPowerisexternallysuppliedtotheIDICviathetwocoilconnections.TheICrectifiesandregu-latesthisRFsourceandusesittogenerateitssupplyvoltage.4.7Power-OnReset(POR)Thepower-onresetcircuitblocksthevoltagesupplytotheIDICuntilanacceptablevoltagethresholdhasbeenreached.4.8ClockExtractionTheclockextractioncircuitusestheexternalRFsignalasitsinternalclocksource.4.9ControllerThecontrollogicmoduleexecutesthefollowingfunctions:�LoadmoderegisterwithconfigurationdatafromEEPROMblock0afterpower-onandduringreading�LoadoptionregisterwiththesettingsfortheanalogfrontendstoredinEEPROMpage1block3afterpower-onandduringreading�Cont