Microreader RI-STU-MRD2 Reference Guide

1 HDXRFIDR eaderSystemMicroreaderRI-STU-MRD2 (LMP).. (ECM).. (RFM)..1002 TableofContentsSCBU049 August2012 SubmitDocumentationFeedbackCopyright 2012, ,Front, August2012 ListofFiguresSubmitDocumentationFeedback Copyright 2012, (Full)..208 LMPC ommandByteField1 (Full).. (Full).. (CRCCalc) (CRCCalc) August2012 SubmitDocumentationFeedbackCopyright 2012, + +..4751 ECMReadUIDC ommandFormatforHDX+..4852 ECMG eneralReadCommandFormatforHDX+..4853 ECMS electiveReadCommandFormatforHDX+..4954 ECMReadMultiBlockCommandFormatforHDX+..4 955 ECMS electiveReadMultiBlockCommandFormatforHD X+..5056 ECMP rogramCommandFormatforHDX+..5057 ECMS electiveProgramCommandFormatforHDX+..515 8 ECMP rogramMultiBlockCommandFormatforHDX+..51 59 ECMS electiveProgramMultiBlockCommandFormatfo rHDX+..5260 ECMLockBlockCommandFormatforHDX+.

2 5261 ECMP rogramSelectiveLockBlockCommandFormatfor HDX+..5362 ECMReadConfigCommandFormatforHDX+..5363 ECMW riteConfigCommandFormatforHDX+..5464 ECMW riteAIDC ommandFormatforHDX+..5465 ECMP rogramC-TrimSwitchesCommandFormatforHDX+ ..5566 ECMStayQuietCommandFormatforHDX+..5567 ECMW riteTIR/WCommandFormatforHDX+.. August2012 ListofTablesSubmitDocumentationFeedbackC opyright 2012, (Automotive) (Automotive) August2012 SubmitDocumentationFeedbackCopyright 2012,TexasInstrumentsIncorporatedReferen ceGuideSCBU049 , (TIHVEVM) a readermodulewithadvancedfeaturesthatis featuresnewprotocolsandcommandstocommuni catewithTIlow-frequency(LF)half-duplex(H DX), ,whichis compatiblewiththeRI-STU-MRD1,thereaderis alsoavailablein a August2012 MicroreaderRI-STU-MRD2 SubmitDocumentationFeedbackCopyright 2012, :MicroreaderRI-STU-MRD1 ReferenceGuide(SCBU027) (ReadOnly,Read/Write)(SCBU019) ,SelectiveAddressableandSelectiveAddress able(Secured)Transponders(SCBU020) (SWRS083) :2004,Informationtechnology RadiofrequencyidentificationforitemManag ement Part2.

3 2003,Radiofrequencyidentificationofanima ls Advancedtransponders Part1 :2010,Radiofrequencyidentificationofanim als Advancedtransponders Part2 :AnimalIdentificationCodePaLFI:PassiveLo wFrequencyInterfaceBCC:BlockCheckCharact erPCB:PrintedCircuitBoardBLC:BitLengthCo dingPPM:PulsePositionModulationBSP:BitSe quenceProtocolPWM:PulseWidthModulationCD C:CommunicationDeviceClassRFM:RadioFrequ encyPowerModuleDIL:Dualin LineRFU:ReservedforFutureUseECM:EasyCode ModeRO:ReadOnly(Transponder)EOF:EndofFra meR/W:Read/Write(Transponder)FBCC:FrameB lockCheckCharacterRX:ReceiveFSK:Frequenc yShiftKeyingSM:SetupModeHDX:HalfDuplexSM D:SurfaceMountedDeviceHDX+:HalfDuplexPlu sSOF:StartofFrameLMP:LegacyMicroreaderPr otocolTX:TransmitMCU:MicroControllerUnit WLSC:WirelessSynchronizationMPT:Multipag eTransponderSCI:SerialCommunicationInter faceMRD1:Microreader1 (RI-STU-MRD1)SMPS:Switched-ModePowerSupp ly8 MicroreaderRI-STU-MRD2 SCBU049 August2012 SubmitDocumentationFeedbackCopyright 2012,TexasInstrumentsIncorporatedMicrore ader 2 ModuleAntenna47 HUSBS erial V to availableasa dualin line(DIL)moduleora surface-mountdevice(SMD) (SCI),whichallowscommunicationtoa standardinterfacewhenusinganadditionalco mmunicationsdriver(forexample,RS232orRS4 22).

4 Inaddition,a USBinterfaceis availableandrequiresonlya ,thereaderis managedasa microcontrollergeneratesthetransmitsigna l,demodulatesthereceivesignal, August2012 MicroreaderRI-STU-MRD2 SubmitDocumentationFeedbackCopyright 2012, mm (max) mm (max) mm showstheSMDmodulewithsingle-sidedcompone ntplacement,andTable1 (1)Description1 SYNCOO utputforwiredsynchronization(yellowLED)2 RDEN-IInputforwiredsynchronizationandsin glereadtrigger3 RESET-IResetoftheMicroreader4 RXDIR eceivedatasignalinputofserialinterface5 TXDOT ransmitdatasignaloutputofserialinterface 6 GND7 GND83_3V_OUTPD onotconnect9 Reserved10 ReservedO11 SIG_OUT_0 OProgrammablesignaloutput012 SIG_OUT_1 OProgrammablesignaloutput1 orTXCT-in RFMmode(1)B = Bidirectional,I = Input,O = Output,P = Power10 MicroreaderRI-STU-MRD2 SCBU049 August2012 SubmitDocumentationFeedbackCopyright 2012,TexasInstrumentsIncorporated1234567 8910111213141516171819202122232425262728 302931323334 SYNCRDEN-RESET-RXDTXDGNDGND3_3V_OUTreser vedLF_RXreservedreservedSIG_IN_1 SIG_IN_0 GNDSIG_OUT_1 SIG_OUT_0 VBUSUSB_D-USB_D+ (continued)13 GND14 SIG_IN_0 IProgrammablesignalinput0 orRXDTin RFMmode15 SIG_IN_1 IProgrammablesignalinput1 orRXCKin RFMmode16 Reserved17 Reserved18 ANT1 Antennaterminal119 ANTCAPA ntennacapacitorterminal20 ANT2 Antennaterminal221 GNDPG roundforoutputstage22 VSPPS upplyvoltageoutputstage23 VSLPS upplyvoltageforlogic24 CRDMII nputforcontinuousreadmode25 WLSII nputtoturnwirelesssynchronizationon26 OKTOR eadofvalidtransponderID(greenLED)

5 27 STATOS tatusofRFtransmittercontrol(redLED)( )28 USB_VBUSP+5V fromUSBport29 USB_D-BUSB data30 USB_D+ August2012 MicroreaderRI-STU-MRD2 SubmitDocumentationFeedbackCopyright 2012, Pitches andTable3 : :Contactplating:GoldNote:Recommendedpinh olesizediameter:1 ,Front, August2012 SubmitDocumentationFeedbackCopyright 2012, (1)Description1 SYNCOO utputforwiredsynchronization(yellowLED)2 RDEN-IInputforwiredsynchronizationandsin glereadtrigger3 ReservedDonotconnect4 RESET-IResetoftheMicroreader5 RXDIR eceivedatasignalinputofserialinterface6 TXDOT ransmitdatasignaloutputofserialinterface 7 USB_D-BUSB data8 USB_D+BUSB data93_3V_OUTPD onotconnect10 ReservedDonotconnect11 SIG_OUT_0 OProgrammablesignaloutput012 SIG_OUT_1 OProgrammablesignaloutput1 orTXCT-in RFMmode13 SIG_IN_0 IProgrammablesignalinput0 orRXDTin RFMmode14 SIG_IN_1 IProgrammablesignalinput1 orRXCKin RFMmode15 GND16 ANT1 Antennaterminal117 ANTCAPA ntennacapacitorterminal18 ReservedDonotconnect19 ANT2 Antennaterminal220 ReservedDonotconnect21 GNDPG roundforoutputstage22 VSPPS upplyvoltageoutputstage23 USB_PUROUSB pullupresistor24 VSLPS upplyvoltagelogic25 GNDG roundforlogic26 CRDMII nputforcontinuousreadmode27 WLSII

6 Nputtoturnwirelesssynchronizationon28 USB_VBUSP+5V fromUSBport29 OKTOR eadofvalidtransponderID(greenLED)30 STATOS tatusofRFtransmittercontrol(redLED)(1)B = Bidirectional,I = Input,O = Output,P = (1) atGNDleveluntiltheMicroreaderstartsitsre adcycle,atwhichtimeit goestoVSLuntiltheread,program,orlockcycl eis (2) ,program,orlockcycle;therefore,if theinputgoestoVSLaftera cycleis started,thecycleis a high-impedanceinputandmustbetiedtoGNDvia a suitableresistor(27k ) whennotin singlereadwhentheMicroreaderis idle,pulltheRDEN-pinlogichighfor100 s. Thesinglereadstartsonthefallingedgeofthe 100- s August2012 MicroreaderRI-STU-MRD2 SubmitDocumentationFeedbackCopyright 2012, (4)PullthispintoGNDtoholdtheMicroreaderi n theresetpinis notused,it canbeleftdisconnected(itis internallypulledup).Minimumpulseduration toperforma resetis 1 ,theprocessorrequiresbetween28msand132ms (typically72ms)beforeit (5)Inputconfiguredtoreceiveserialdataat9 600 Baud(default,configurableupto115kBaud),1 startbit,8 databits,noparity,and1 (6)Outputconfiguredtotransmitserialdataa t9600 Baud(default,configurableupto115kBaud),1 startbit,8 databits,noparity,and1 ,USB_D+(7,8)USBdatatransmitandreceiveUSB _VBUS(28)USBpowervoltageGND(15,25) (16)Antennapinfortheconnectionofa 47- H (17)Touseanantennaoflowerinductance,conn ecta (ceramic,100 VDC)is in (19)Antennapin(GND)fortheconnectionofa 47- H (21) (22)Positivesupplyvoltage( ,sameasVSL) (24)Positivesupplyvoltage( ,sameasVSP) (26)

7 Applya logichighsignaltoruntheMicroreaderin a logiclow,theMicroreaderis in anidlestatewaitingforcommandsviatheseria linterfaceorfora triggersignal(RDEN-)tostarta a high-impedanceinputandmustbetiedtoeither VSLorGNDviaa suitableresistor(27k ).WLSC(27) , enabled,theMicroreadertriestosynchronize itstransmitsignalswithanyotherreadersin , a high-impedanceinputandmustbetiedtoeither VSLorGNDviaa suitableresistor(27k ). Wirelesssynchronizationcanalsobeturnedon oroffbya (29)Thisoutputis settologichighforapproximately60msif a canbeconnectedexternallytoanLEDtoindicat etheresultofthereadcycle( ).14 MicroreaderRI-STU-MRD2 SCBU049 August2012 SubmitDocumentationFeedbackCopyright 2012, (30)Pin30is settologiclowwhentheRFtransmitteris ( ). ( )suppliestotheMicroreader,onefortheoutpu tstage(VSP)andtheotherforthelogic(VSL).

8 Bothsupplies,VSPandVSL, , a singlesupplyis used,useseparateconnectionsfroma :TheRFmodulemustnotbesuppliedbymostswitc hedmodepowersupplies(SMPS).Thisis , : Connecta toGNDfor100 s every200ms. veryeffectiveatsynchronizingtoadjacentre aders;however,problemscanoccurif theantennasarepositionedsothata transponderis , active,theMicroreaderis in ,it ,thestatusoftheWLSC inputis :It is notrecommendedtohavebothwiredandwireless synchronizationon, is (typical). theCRDM pinis active,theresponseis senttotheserialport,butwhena USBconnectionis establishedtheresponseis 9600 Baud,1 startbit,8 databits,noparity,and1 stopbit;theycanbeconnecteddirectlytoa communicationsdrivertoallowa halfduplexcommunicationwitha PCviaitsserialcommunicationsinterface(fo rexample:RS232orRS422) August2012 MicroreaderRI-STU-MRD2 SubmitDocumentationFeedbackCopyright 2012, receivesanXoff(0x13) staysin idlemodeuntilXon(0x11)is receivedwhenit ,theMicroreaderacceptscommandsviatheseri alport,however,it , :Whilereceivinga commandprotocolfromtheserialport,XonorXo ffis in idlemode,it is possibletotriggera singlecharge-onlyreadwitha powerburstdurationof50msbytakingtheRDEN- pintologichighfor100 s.

9 Thesinglereadstartsonthefallingedgeofthe 100- s a transpondercommandis senttotheMicroreaderviatheSCIwhileRDEN-i s in a logichighstate(waitingposition),a twocommandsweretobesenttotheMicroreaderw hileit is in thewaitingposition, active,theMicroreaderentersa a serialcommandis received,it is , ,onlythosevalidRO,R/W,orMPTID sthatdifferfromthepreviouslyreadID,orval idIDsreadaftera NOREAD,aretransferredviatheSCI(NormalMod e).TheMicroreadercanbesettotransferallva lidIDsthatareread(LineMode)bymeansofa August2012 SubmitDocumentationFeedbackCopyright 2012, showsa DemonstrationCircuitWithUSBI nterface17 SCBU049 August2012 MicroreaderRI-STU-MRD2 SubmitDocumentationFeedbackCopyright 2012,TexasInstrumentsIncorporated2 134200 = 182 fLQ = 47- H antennawitha Q , showsthetypicalparametersfora ( )Qant16 Antennaresistance( ) Table6 showstheMicroreader2 , , DampingresistorRdmp2k theantenna'sQ factorexceeds20: Theoutputcapacitorsareoverloadedandlong- termdamagecouldresult.

10 Theantennamaystillberesonatingwhentheres ponsefromthetransponderis ,thedatamaynotbecorrectlyreceived. Theantennamaybedetunedif thereis anymetalin methodofcalculatingtheapproximateQ factoroftheantenna:(1)Where,f = 134200Hz(Frequency= )L = Inductance(H)R = Seriesresistance( )Equation2 showsanexamplefor:Inductance(L)= 47 HResistance(R)= (2)18 MicroreaderRI-STU-MRD2 SCBU049 August2012 SubmitDocumentationFeedbackCopyright 2012,TexasInstrumentsIncorporatedexttot1 11= CC30 nFexttotC= C 30 nFtot22 Ant1C =4 L theantennais outsideoftherequiredinductancerangeof46t o48 H,adaptit toworkwiththeMicroreaderbyaddinganextern alcapacitortoit, eitherin seriesorin showstheformulatocalculatethetotalresona ncecapacity.(3)If theantennainductanceis H,addanextracapacitor(externally) showstheformulaforthevalueofthiscapacito r.