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UBX-16005783-R26C1-Publicwww.
u-blox.
comLARA-R2seriesSize-optimizedLTECat1modulesinsingleandmulti-modeconfigurationsDatasheetAbstractTechnicaldatasheetdescribingtheLARA-R2seriesmulti-modecellularmodules.
ThemodulesareacostefficientandperformanceoptimizedLTECat1/3G/2Gmulti-modesolutioncoveringuptofourLTEbands,uptotwoUMTS/HSPAbandsanduptotwoGSM/EGPRSbandsintheverysmallandcompactLARAformfactor.
LARA-R2series-DatasheetUBX-16005783-R26DocumentinformationPage2of50C1-PublicDocumentinformationTitleLARA-R2seriesSubtitleSize-optimizedLTECat1modulesinsingleandmulti-modeconfigurationsDocumenttypeDatasheetDocumentnumberUBX-16005783RevisionanddateR2609-Oct-2020DisclosurerestrictionC1-PublicProductstatusCorrespondingcontentstatusFunctionalsampleDraftForfunctionaltesting.
Revisedandsupplementarydatawillbepublishedlater.
Indevelopment/PrototypeObjectivespecificationTargetvalues.
Revisedandsupplementarydatawillbepublishedlater.
EngineeringsampleAdvanceinformationDatabasedonearlytesting.
Revisedandsupplementarydatawillbepublishedlater.
InitialproductionEarlyproductioninformationDatafromproductverification.
Revisedandsupplementarydatamaybepublishedlater.
Massproduction/EndoflifeProductioninformationDocumentcontainsthefinalproductspecification.
LARA-R2series-DatasheetUBX-16005783-R26DocumentinformationPage3of50C1-PublicThisdocumentappliestothefollowingproducts:ProductnameTypenumberModemversionApplicationversionPCNreferenceProductstatusLARA-R202LARA-R202-02B-0030.
42A01.
00UBX-17057959EndoflifeLARA-R202-02B-0130.
42A01.
01UBX-18018067EndoflifeLARA-R202-02B-0230.
42A01.
02UBX-18057549EndoflifeLARA-R202-02B-0330.
44A01.
02UBX-19011731MassproductionLARA-R202-82B-0030.
53A01.
03UBX-19043497MassproductionLARA-R203LARA-R203-02B-0030.
39A01.
00UBX-17048311EndoflifeLARA-R203-02B-0130.
39A01.
02UBX-18018067EndoflifeLARA-R203-02B-0230.
39A01.
03UBX-18057549EndoflifeLARA-R203-02B-0330.
41A01.
03UBX-19011731MassproductionLARA-R203-02B-3430.
54A01.
00UBX-19056532MassproductionLARA-R204LARA-R204-02B-0031.
34A01.
00UBX-17012269EndoflifeLARA-R204-02B-0231.
40A01.
00UBX-18046834MassproductionLARA-R211LARA-R211-02B-0030.
31A01.
00UBX-17012270EndoflifeLARA-R211-02B-0130.
49A01.
01UBX-17054295EndoflifeLARA-R211-02B-0230.
49A01.
02UBX-18057549EndoflifeLARA-R211-02B-0330.
49A01.
05UBX-20012865MassproductionLARA-R220LARA-R220-62B-0030.
44A01.
03UBX-17061668ObsoleteLARA-R220-62B-0130.
44A01.
04UBX-18050698EndoflifeLARA-R220-62B-0230.
44A01.
05UBX-18057549MassproductionLARA-R220-62B-0330.
44A01.
07UBX-19029271MassproductionLARA-R280LARA-R280-02B-0030.
43A01.
01UBX-17063950ObsoleteLARA-R280-02B-0130.
43A01.
02UBX-18018067ObsoleteLARA-R280-02B-0230.
43A01.
03UBX-18052020EndoflifeLARA-R280-02B-0330.
43A01.
04UBX-18057549MassproductionLARA-R280-02B-0430.
43A01.
06UBX-19029271MassproductionLARA-R281LARA-R281-02B-0030.
49A01.
06UBX-20035136Massproductionu-bloxorthirdpartiesmayholdintellectualpropertyrightsintheproducts,names,logosanddesignsincludedinthisdocument.
Copying,reproduction,modificationordisclosuretothirdpartiesofthisdocumentoranypartthereofisonlypermittedwiththeexpresswrittenpermissionofu-blox.
Theinformationcontainedhereinisprovided"asis"andu-bloxassumesnoliabilityforitsuse.
Nowarranty,eitherexpressorimplied,isgiven,includingbutnotlimitedto,withrespecttotheaccuracy,correctness,reliabilityandfitnessforaparticularpurposeoftheinformation.
Thisdocumentmayberevisedbyu-bloxatanytimewithoutnotice.
Forthemostrecentdocuments,visitwww.
u-blox.
com.
Copyrightu-bloxAG.
LARA-R2series-DatasheetUBX-16005783-R26ContentsPage4of50C1-PublicContentsDocumentinformation.
2Contents41Functionaldescription61.
1Overview.
61.
2Productfeatures71.
3Blockdiagram81.
4Productdescription81.
5ATcommandsupport101.
6Supportedfeatures102Interfaces132.
1Powermanagement132.
1.
1Modulesupplyinput(VCC)132.
1.
2RTCsupplyinput/output(V_BCKP)132.
1.
3Genericdigitalinterfacessupplyoutput(V_INT)132.
2Antennainterfaces.
132.
2.
1AntennaRFinterfaces.
132.
2.
2Antennadetection.
132.
3Systemfunctions.
142.
3.
1Modulepower-on142.
3.
2Modulepower-off.
142.
3.
3Modulereset152.
3.
4Module/hostconfigurationselection.
152.
4SIM152.
4.
1SIMinterface152.
4.
2SIMdetection152.
5Serialcommunication162.
5.
1MainUARTinterface.
162.
5.
2AuxiliaryUARTinterface172.
5.
3USBinterface.
182.
5.
4HSICinterface192.
5.
5DDC(I2C)interface.
192.
5.
6SDIOinterface192.
6Audio.
192.
7Clockoutput.
202.
8GPIO203Pindefinition213.
1Pinassignment.
214Electricalspecifications264.
1Absolutemaximumrating.
264.
1.
1MaximumESD.
264.
2Operatingconditions.
27LARA-R2series-DatasheetUBX-16005783-R26ContentsPage5of50C1-Public4.
2.
1Operatingtemperaturerange.
274.
2.
2Supply/powerpins274.
2.
3Currentconsumption.
284.
2.
4LTERFcharacteristics.
294.
2.
53GRFcharacteristics314.
2.
62GRFcharacteristics314.
2.
7ANT_DETpin.
324.
2.
8PWR_ONpin.
324.
2.
9RESET_Npin.
324.
2.
10SIMpins334.
2.
11USBpins334.
2.
12HSICpins344.
2.
13DDC(I2C)pins.
344.
2.
14GenericDigitalInterfacespins.
344.
3ParametersforATEXapplications.
375Mechanicalspecifications386Qualificationandapprovals.
396.
1Reliabilitytests.
396.
2Approvals.
397Producthandling&soldering.
407.
1Packaging407.
1.
1Reels407.
1.
2Tapes.
417.
2Moisturesensitivitylevels.
427.
3Reflowsoldering427.
4ESDprecautions.
428Defaultsettings439Labelingandorderinginformation449.
1Productlabeling.
449.
2Explanationofcodes459.
3Orderinginformation.
46Appendix47AGlossary47Relateddocuments48Revisionhistory.
49Contact.
50LARA-R2series-DatasheetUBX-16005783-R26FunctionaldescriptionPage6of50C1-Public1Functionaldescription1.
1OverviewTheLARA-R2seriescomprisesLTECat1/3G/2Gmulti-modemodulesintheverysmallLARALGAform-factor(26.
0x24.
0mm,100-pin)thatareeasytointegrateincompactdesigns.
LARA-R2seriesmodulessupportmulti-bandLTE-FDDCat1radioaccesstechnologywithsevenregionalvariants.
Eachvariantisdesignedforspecificregionalmarketrequirementstoallowdevelopmentofcostefficientyetfeature-richproducts.
Thevariantswith2Gor3GfallbackprovideconnectivityincaseswhereLTEcoverageisnotyetavailable.
Thisallowsseamlessoperationduringtechnologytransition.
LARAmodulesareform-factorcompatiblewithu-bloxSARA,LISAandTOBYcellularmodulefamilies:thisfacilitateseasymigrationfromu-bloxGSM/GPRS,CDMA,UMTS/HSPA,andotherLTEmodules,maximizestheinvestmentsofcustomers,simplifieslogistics,andenablesveryshorttime-to-market.
ThemodulesareidealforapplicationsthataretransitioningtoLTEfrom2Gand3G,duetothelongtermavailabilityandscalabilityofLTEnetworks.
WitharangeofinterfaceoptionsandanintegratedIPstack,themodulesaredesignedtosupportawiderangeofdata-centricapplications.
TheuniquecombinationofperformanceandflexibilitymakethesemodulesideallysuitedformediumspeedM2Mapplications,suchassmartenergygateways,remoteaccessvideocameras,digitalsignage,telehealthandtelematics.
LARA-R2seriesmodulesincludeproductversionssupportingVoiceoverLTE(VoLTE)andvoiceover3Gor2G(CSFB)forapplicationsthatrequirevoice,suchassecurityandsurveillancesystems.
Thankstotheu-blox'sCellLocatetechnology,LARA-R2seriesmodulesoffercost-effectivelocationestimationbasedoninformationfromsurroundingcellularbasestations.
ApositioningsolutionwithCellLocateandau-bloxGNSSmoduleprovidesredundancyandaccuracythatcanbebeneficialfornumerousapplications.
Thetemperaturerangeof–40°Cto+85°Cguaranteesoperationinharshenvironmentsandinverycompactdesigns.
LARA-R2modulesaremanufacturedinISO/TS16949certifiedsites,withthehighestproductionstandardsandthehighestqualityandreliability.
Eachmoduleisfullytestedandinspectedduringproduction.
ModulesarequalifiedaccordingtoISO16750–forsystemsinstalledinvehicles.
USBdriversandRILsoftwareforAndroidarefreeofcharge.
LARA-R2series-DatasheetUBX-16005783-R26FunctionaldescriptionPage7of50C1-Public1.
2ProductfeaturesModelRegionRadioaccesstechnologyPositioningInterfacesAudioFeaturesGradeLTEbands1UMTSbandsGSMbandsGNSSviamodemAssistNowSoftwareCellLocateUARTUSB2.
0HISC*SDIO*DDC(I2C)GPIOsAnalogaudioDigitalaudioNetworkindicationVoLTEAntennasupervisorJammingdetectionEmbeddedTCP/UDPstackEmbeddedHTTP,FTP,TSL1.
2FWupdateviaserialFOTAclientRxDiversityDualstackIPv4/IPv6StandardProfessionalAutomotiveLARA-R202NorthAmerica2,45,1285019001111192LARA-R203NorthAmerica2,4,121111192LARA-R204NorthAmerica4,13111119LARA-R211EMEA3,7,2090018003332411119LARA-R220Japan1,19111119LARA-R280APAC3,8,282100111119LARA-R281EMEA1,3,820,282100111119=Availableinanyfirmware=CSFBonly=Availableinfuturefirmware*=HWreadyTable1:LARA-R2seriesmainfeaturessummary1LTEband12isasupersetincludingband17:LTEband12issupportedalongwithMulti-FrequencyBandIndicator(MFBI)2AT&TcertifiedwithVoLTE3ExternalGNSScontrolviamodem,AssistNowSoftwareandCellLocatearenotsupportedbyLARA-R211-02B-004SecondUARTisnotsupportedbyLARA-R211-02B-00,LARA-R211-02B-01,LARA-R211-02B-02LARA-R2series-DatasheetUBX-16005783-R26FunctionaldescriptionPage8of50C1-Public1.
3BlockdiagramFigure1:LARA-R2seriesblockdiagramTheLARA-R2seriesmodules"02","62"and"82"productversions(i.
e.
theLARA-R202-02B,LARA-R203-02B,LARA-R204-02B,LARA-R211-02B,LARA-R220-62B,LARA-R280-02B,andLARA-R281-02B)donotsupportthefollowinginterfaces,whichcanbeleftunconnectedandshouldnotbedrivenbyexternaldevices:oHSICinterfaceoSDIOinterfaceoHOST_SELECTpin1.
4ProductdescriptionLARA-R2seriesmodulesprovideLTECat1radioaccesstechnology,somevariantswith2Gor3Gmulti-modefallback.
LARA-R202isdesignedmainlyforoperationinAmerica(onLTEand3Gnetworks)LARA-R203isdesignedmainlyforoperationinAmerica(onLTEnetworks)LARA-R204isdesignedmainlyforoperationinAmerica(onVerizonLTEnetwork)LARA-R211isdesignedmainlyforoperationinEMEAonLTEand2GnetworksLARA-R220isdesignedmainlyforoperationinJapan(onNTTDoCoMoLTEnetwork)LARA-R280isdesignedmainlyforoperationinAPAConLTEand3GnetworksLARA-R281isdesignedmainlyforoperationinEMEAonLTEand3GnetworksLARA-R2series-DatasheetUBX-16005783-R26FunctionaldescriptionPage9of50C1-Public4GLTE3GUMTS/HSDPA/HSUPA2GGSM/GPRS/EDGE3GPPRelease9LongTermEvolution(LTE)EvolvedUTRA(E-UTRA)FrequencyDivisionDuplex(FDD)DLRxdiversity3GPPRelease9HighSpeedPacketAccess(HSPA)UMTSTerrestrialRadioAccess(UTRA)FrequencyDivisionDuplex(FDD)DLRxDiversity3GPPRelease9EnhancedDatarateGSMEvolution(EDGE)GSMEGPRSRadioAccess(GERA)TimeDivisionMultipleAccess(TDMA)DLAdvancedRxPerformancePhase1Bandsupport5:LARA-R202:Band12(700MHz)6Band5(850MHz)Band4(1700MHz)Band2(1900MHz)Bandsupport:LARA-R202:Band5(850MHz)Band2(1900MHz)Bandsupport:LARA-R203:Band12(700MHz)6Band4(1700MHz)Band2(1900MHz)LARA-R204:Band13(700MHz)Band4(1700MHz)LARA-R211:Band20(800MHz)Band3(1800MHz)Band7(2600MHz)LARA-R211:E-GSM900MHzDCS1800MHzLARA-R220:Band19(850MHz)Band1(2100MHz)LARA-R280:Band28(700MHz)Band8(900MHz)Band3(1800MHz)LARA-R280:Band1(2100MHz)LARA-R281:Band28(700MHz)Band20(800MHz)Band8(900MHz)Band3(1800MHz)Band1(2100MHz)LARA-R281:Band1(2100MHz)LTEPowerClassPowerClass3(23dBm)UMTS/HSDPA/HSUPAPowerClassClass3(24dBm)GSM/GPRS(GMSK)PowerClassPowerClass4(33dBm)forE-GSMbandPowerClass1(30dBm)forDCSbandEDGE(8-PSK)PowerClassPowerClassE2(27dBm)forE-GSMbandPowerClassE2(26dBm)forDCSbandDatarateLTEcategory1:upto10.
3Mbit/sDL,upto5.
2Mbit/sULDatarateHSDPAcategory8:upto7.
2Mbit/sDLHSUPAcategory6:upto5.
76Mbit/sULDatarate7GPRSmulti-slotclass338,CS1-CS4,upto107kbit/sDL,upto85.
6kbit/sULEDGEmulti-slotclass338,MCS1-MCS9,upto296kbit/sDL,upto236.
8kbit/sULTable2:LARA-R2seriesLTE,3Gand2GcharacteristicsLARA-R2modulesprovideVoiceoverLTE(VoLTE)9aswellasCircuit-Switched-Fall-Back(CSFB)10audiocapability.
5LARA-R2modulessupportallE-UTRAchannelbandwidthsforeachoperatingbandaccordingto3GPPTS36.
521-1[11]6LTEband12isasupersetincludingband17:LTEband12issupportedalongwithMulti-FrequencyBandIndicatorfeature7GPRS/EDGEmultislotclassdeterminesthenumberoftimeslotsavailableforuploadanddownloadandthusthespeedatwhichdatacanbetransmittedandreceived,withhigherclassestypicallyallowingfasterdatatransferrates.
8GPRS/EDGEmultislotclass33impliesamaximumof5slotsinDL(reception),4slotsinUL(transmission)with6slotsintotal.
9NotsupportedbyLARA-R204-02B,LARA-R220-62B,LARA-R280-02BandLARA-R281-02Bmodulesproductversions.
10NotsupportedbyLARA-R203-02B,LARA-R204-02BandLARA-R220-62Bmodulesproductversions.
LARA-R2series-DatasheetUBX-16005783-R26FunctionaldescriptionPage10of50C1-Public1.
5ATcommandsupportTheLARA-R2seriesmodulessupportATcommandsaccordingto3GPPstandardsTS27.
007[7],TS27.
005[8]andtheu-bloxATcommandextension.
ForthecompletelistofallsupportedATcommandsandtheirsyntax,seetheu-bloxATcommandsmanual[1].
RIL(RadioInterfaceLayer)softwareforAndroidandEmbeddedWindowsisavailableforLARA-R2seriesmodulesfreeofcharge;seetheAndroidRILsourcecodeapplicationnote[3]forthesupportedsoftwaredeliveriesandmoreinformation.
1.
6SupportedfeaturesTable3listssomeofthemainfeaturessupportedbyLARA-R2series.
Formoredetails,seeLARA-R2seriessystemintegrationmanual[2]andu-bloxATcommandsmanual[1].
FeatureDescriptionNetworkIndicationGPIOconfiguredtoindicatethenetworkstatus:registeredhomenetwork,registeredroaming,voiceordatacallenabled,noservice.
Thefeaturecanbeenabledthroughthe+UGPIOCATcommand.
AntennaDetectionTheANT_DETpinprovidesantennapresencedetectioncapability,evaluatingtheresistancefromANT1andANT2pinstoGNDbymeansofanexternalantennadetectioncircuitimplementedontheapplicationboard.
Theantennadetectionfeaturecanbeenabledthroughthe+UANTRATcommand.
Jammingdetection11Detects"artificial"interferencethatobscurestheoperator'scarriersentitledtogiveaccesstotheradioserviceandreportsthestartandstopofsuchconditionstotheapplicationprocessorthatcanreactaccordingly.
EmbeddedTCPandUDPstackEmbeddedTCP/IPandUDP/IPstackincludingdirectlinkmodeforTCPandUDPsockets.
SocketscanbesetinDirectLinkmodetoestablishatransparentendtoendcommunicationwithanalreadyconnectedTCPorUDPsocketviaserialinterface.
FTP,FTPSFileTransferProtocolaswellasSecureFileTransferProtocol(SSLencryptionofFTPcontrolchannel)functionalitiesaresupportedbymeansofATcommands.
HTTP,HTTPSHyper-TextTransferProtocolaswellasSecureHyper-TextTransferProtocol(SSLencryption)functionalitiesaresupportedviaATcommands.
HEAD,GET,POST,DELETEandPUToperationsareavailable.
EmbeddedTLS1.
2WiththesupportofX.
509certificates,EmbeddedTLS1.
2providesserverandclientauthentication,dataencryption,datasignatureandenablesTCP/IPapplicationslikeHTTPSandFTPStocommunicateoverasecuredandtrustedconnection.
Thefeaturecanbeconfiguredandenabledby+USECMNGand+USECPRFATcommands.
DNSSupportforDNSfunctionality.
IPv4/Ipv6dual-stackCapabilitytomovebetweenIpv4anddualstacknetworkinfrastructures.
Ipv4andIpv6addressescanbeused.
PPPIpv4/Ipv6packetsrelayingthroughthecellularprotocolstackperformedonaPoint-to-PointProtocolconnectionestablishedwiththeexternalapplicationviaaserialinterface(UART,MUX,orCDC-ACM).
TransitionsbetweenOnlinecommandmode(OLCM)andPPPmodearesupported.
BIPBearerIndependentProtocolforOver-the-AirSIMprovisioning.
Thedatatransferto/fromtheSIMuseseitheranalreadyactivePDPcontextoranewPDPcontextestablishedwiththeAPNprovidedbytheSIMcard.
MultiplePDPcontextsUpto8PDPcontextscanbeactivated,andmultisecondaryPDPcontextsbeassociatedtoaprimaryPDPcontext.
11Notsupportedby"02","62"and"82"productversions.
LARA-R2series-DatasheetUBX-16005783-R26FunctionaldescriptionPage11of50C1-PublicFeatureDescriptionVoLTE12andCSFB13audiocapabilityVoiceoverLTE(VoLTE)featureallowsvoiceserviceoverLTEbearer,viaembeddedIPMultimediaSubsystem(IMS).
CircuitSwitchedFall-Back(CSFB)featureallowsvoiceserviceovercircuitswitchedinfrastructure(3Gor2G).
FirmwareupdateOverATcommands(FOAT)FirmwaremoduleupdateoverATcommandinterfaces.
Thefeaturecanbeenabledandconfiguredthroughthe+UFWUPDATcommand.
FirmwareupdateOverTheAir(FOTA)EmbeddedFOTAclienttoenabletheFirmwaremoduleupdateoverthecellularairinterface.
Thefeaturecanbeenabledandconfiguredthroughthe+UFWINSTALLATcommand.
LTE/3GRxDiversityImprovedcellularlinkqualityandreliabilityonalloperatingbands,bymeansof2receivingantennainputs.
GNSSviamodem14Fullaccesstou-bloxpositioningchipsandmodulesisavailablethroughadedicatedDDC(I2C)interface.
Thismeansthatfromanyhostprocessor,asingleserialportcancontrolthecellularmoduleandtheu-bloxM8positioningchipormodule.
Formoredetails,seetheGNSSimplementationapplicationnote[4].
EmbeddedAssistNowSoftware14EmbeddedAssistNowOnlineandAssistNowOfflineclientsareavailabletoprovidebetterGNSSperformanceandfasterTime-to-First-Fix.
AnATcommandcanenable/disabletheclients.
CellLocate14EnablestheestimationofdevicepositionbasedontheparametersofthemobilenetworkcellsvisibletothespecificdevicebasedontheCellLocatedatabase:Normalscan:onlytheparametersofthevisiblehomenetworkcellsaresentCellLocateisavailableviaasetofATcommandsforCellLocateserviceconfigurationandpositionrequest.
HybridPositioning14Thecurrentmodulepositionisprovidedbyau-bloxpositioningchipormoduleortheestimatedpositionfromCellLocatedependingonwhichmethodprovidesthebestandfastestsolutionaccordingtotheuserconfiguration.
HybridpositioningisavailableviaasetofATcommandsthatallowtheconfigurationandthepositionrequest.
Wi-Fiviamodem15FullaccesstoWi-FimodulesisavailablethroughadedicatedSDIOinterface.
Thismeansthatfromanyhostprocessorasingleserialportcancontrolthecellularmoduleandtheshortrangecommunicationmodule.
DTMFdecoder16Duringavoicecall,theDual-ToneMulti-FrequencydetectoranalysestheRXspeech(comingfromremoteparty).
ThedetectedDTMFsymbolscanbeoutputviatherelatedURC.
Thefeaturecanbeenabledandconfiguredthroughthe+UDTMFDATcommand.
In-BandModem15In-BandmodemsolutionforeCallandERA-GLONASSemergencycallapplicationsovercellularnetworksimplementedaccordingtothe3GPPTS26.
267specification[10].
Whenactivated,thein-vehicleeCall/ERA-GLONASSsystem(IVS)createsanemergencycallcarryingbothvoiceanddata(includingvehiclepositiondata)directlytothenearestPublicSafetyAnsweringPoint(PSAP)todeterminewhetherrescueservicesshouldbedispatchedtotheknownposition.
SmartTemperatureSupervisorConstantmonitoringofthemoduleboardtemperature:WarningnotificationwhenthetemperatureapproachesanupperorlowerpredefinedthresholdShutdownnotifiedandforcedwhenthetemperaturevalueisoutsidethespecifiedrange(shutdownsuspendedincaseofanemergencycallinprogress)TheSmartTemperatureSupervisorfeaturecanbeenabledandconfiguredthroughthe+USTSATcommand.
Thesensormeasurestheboardtemperature,whichcandifferfromambienttemperature.
PowersavingThepowersavingconfigurationisdisabledbydefault,butitcanbeenabledandconfiguredusingthe+UPSVATcommand.
Whenthepowersavingisenabled,themoduleautomaticallyentersthelowpoweridle-modewheneverpossible,reducingcurrentconsumption.
Duringidle-mode,themoduleprocessorcorerunswiththeRTC32kHzreferenceclock,whichisgeneratedbytheinternal32kHzoscillator.
12NotsupportedbyLARA-R204-02B,LARA-R220-62B,LARA-R280-02BandLARA-R281-02Bmodulesproductversion.
13NotsupportedbyLARA-R203-02B,LARA-R204-02B,andLARA-R220-62Bmodulesproductversion.
14NotsupportedbyLARA-R204-02B,LARA-R211-02B-00productversions.
15Notsupportedby"02","62","82"productversions.
16NotsupportedbyLARA-R202-82B,LARA-R204-02B,andLARA-R220-62Bmodulesproductversion.
LARA-R2series-DatasheetUBX-16005783-R26FunctionaldescriptionPage12of50C1-PublicFeatureDescriptionFastDormancyTheFastDormancyfeature,definedin3GPPRel.
8,allowsreductionofcurrentconsumptionandnetworkutilizationduringperiodsofdatainactivity.
Itcanbeactivatedandconfiguredby+UFDACand+UDCONF=61ATcommands.
LTEcDRXBoththeLongDRXCycleandtheShortDRXcyclearesupportedforLTEConnectedDiscontinuousReception,allowingreductionofcurrentconsumptionandLTEnetworkutilizationduringperiodsofdatainactivity.
ODISOMA-DMIMEISync(ODIS)isanAT&Tfunctionalityrequiredatthecellularmodulelevelandusedtoidentifytheenddeviceoperatinginsidethenetwork.
ODISisnotsupportedbyLARA-R203-02B-34.
Table3:SomeofthemainfeaturessupportedbyLARA-R2seriesmodulesu-bloxisextremelymindfulofuserprivacy.
WhenapositionissenttotheCellLocateserver,u-bloxisunabletotracktheSIMusedorthespecificdevice.
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage13of50C1-Public2Interfaces2.
1Powermanagement2.
1.
1Modulesupplyinput(VCC)LARA-R2seriesmodulesmustbesuppliedthroughthethreeVCCpinsbyaDCpowersupply.
Voltagemustbestable,becauseduringoperationthecurrentdrawnfromVCCcanvarybysomeorderofmagnitude,especiallyduetothesurgingconsumptionprofileoftheGSMsystem(describedintheLARA-R2seriessystemintegrationmanual[2]).
Itisimportantthatthesystempowersupplycircuitisabletosupportpeakpower.
LARA-R211modulesprovideseparatesupplyinputsoverthethreeVCCpins:VCCpins#52and#53representthesupplyinputfortheinternalRFpoweramplifier,demandingmostofthetotalcurrentdrawnofthemodulewhenRFtransmissionisenabledduringavoice/datacallVCCpin#51representsthesupplyinputfortheinternalbasebandPowerManagementUnitandtheinternaltransceiver,demandingaminorpartofthetotalcurrentdrawnofthemodulewhenRFtransmissionisenabledduringavoice/datacall2.
1.
2RTCsupplyinput/output(V_BCKP)WhenVCCvoltageiswithinthevalidoperatingrange,theinternalPowerManagementUnit(PMU)suppliestheRealTimeClock(RTC)andthesamesupplyvoltageisavailableontheV_BCKPpin.
IftheVCCvoltageisundertheminimumoperatinglimit(e.
g.
duringnotpoweredmode),theV_BCKPpincanexternallysupplytheRTC.
2.
1.
3Genericdigitalinterfacessupplyoutput(V_INT)LARA-R2seriesmodulesprovidea1.
8VsupplyrailoutputontheV_INTpin,whichisinternallygeneratedwhenthemoduleisswitchedon.
Thesamevoltagedomainisusedinternallytosupplythegenericdigitalinterfacesofthemodules.
TheV_INTsupplyoutputcanbeusedinplaceofanexternaldiscreteregulator.
2.
2Antennainterfaces2.
2.
1AntennaRFinterfacesThemoduleshavetwoRFpinswithacharacteristicimpedanceof50.
Theprimaryantennapin(ANT1)supportsbothTxandRx,providingthemainantennainterface,whilethesecondaryantennapin(ANT2)supportsRxonlyfortheLTE/3GRxdiversityconfiguration.
2.
2.
2AntennadetectionTheANT_DETpinisanAnalogtoDigitalConverter(ADC)inputwithacurrentsourceprovidedbyLARA-R2modulestosensetheantenna(s)presence(asanoptionalfeature).
ItevaluatestheresistancefromANT1andANT2pinstoGNDbymeansofanexternalantennadetectioncircuitimplementedontheapplicationboard.
Formoredetails,seetheLARA-R2seriessystemintegrationmanual[2]andtheu-bloxATcommandsmanual[1].
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage14of50C1-Public2.
3Systemfunctions2.
3.
1Modulepower-onLARA-R2seriesmodulescanbeswitchedoninoneofthefollowingways:RisingedgeontheVCCinputtoavalidvoltageformodulesupply,i.
e.
applyingmodulesupply:themodulesswitchoniftheVCCsupplyisapplied,startingfromavoltagevalueoflessthan2.
1V,witharisetimefrom2.
3Vto2.
8Voflessthan4ms,reachingapropernominalvoltagevaluewithinVCCoperatingrange.
Alternately,forexampleifthefastrisetimeonVCCrisingedgecannotbeguaranteedbytheapplication,theLARA-R2seriesmodulecanbeswitchedonfromnot-poweredmodeasfollows:RESET_NinputpinisheldlowbytheexternalapplicationduringtheVCCrisingedge,sothatthemodulewillswitchonwhentheexternalapplicationreleasestheRESET_Ninputpinfromthelowlogiclevel,aftertheVCCsupplyvoltagestabilizesatitspropernominalvaluewithintheoperatingrangePWR_ONinputpinisheldlowbytheexternalapplicationduringtheVCCrisingedge,sothatthemodulewillswitchonwhentheexternalapplicationreleasesthePWR_ONinputpinfromthelowlogiclevel,aftertheVCCsupplyvoltagestabilizesatitspropernominalvaluewithintheoperatingrangeWhentheLARA-R2seriesmodulesareinthepower-offmode(i.
e.
properlyswitchedoffasdescribedinsection2.
3.
2,withvalidVCCmodulesupplyapplied),theycanbeswitchedonasfollowing:LowpulseonthePWR_ONpin,whichisnormallysethighbyaninternalpull-up,foravalidtimeperiod(seesection4.
2.
8).
ThePWR_ONlineshouldbedrivenbyopendrain,opencollectororcontactswitch.
RisingedgeontheRESET_Npin,i.
e.
releasingthepinfromthelowlevel,normallysethighbyaninternalpull-up.
TheRESET_Nlineshouldbedrivenbyopendrain,opencollectororcontactswitch.
RTCalarm,i.
e.
pre-programmedscheduledtimebyAT+CALAcommand.
2.
3.
2Modulepower-offLARA-R2seriescanbeproperlyswitchedoff,savingcurrentparametersettingsinthemodule'snon-volatilememoryandperformingapropernetworkdetach,by:AT+CPWROFFcommand(seetheu-bloxATcommandsmanual[1]).
LowpulseonthePWR_ONpin,whichisnormallysethighbyaninternalpull-up,foravalidtimeperiod(seesection4.
2.
8).
ThePWR_ONlineshouldbedrivenbyopendrain,opencollectororcontactswitch.
Anabruptunder-voltageshutdownoccursonLARA-R2seriesmoduleswhentheVCCsupplyisremoved.
Ifthisoccurs,itisnotpossibletostorethecurrentparametersettingsinthemodule'snon-volatilememoryortoperformthepropernetworkdetach.
AnabruptshutdownoccursonLARA-R2seriesmoduleswhenalowlevelisappliedontheRESET_Npin,whichisnormallysethighbyaninternalpull-up.
Ifthisoccurs,itisnotpossibletostorethecurrentparametersettingsinthemodule'snon-volatilememoryandtoperformthepropernetworkdetach.
Anover-temperatureoranunder-temperatureshutdownoccursonLARA-R2moduleswhenthetemperaturemeasuredwithinthecellularmodulereachesthedangerousarea,iftheoptionalSmartTemperatureSupervisorfeatureisenabledandconfiguredbythededicatedATcommand.
Formoredetails,seetheLARA-R2seriessystemintegrationmanual[2]andtheu-bloxATcommandsmanual[1],+USTSATcommand.
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage15of50C1-Public2.
3.
3ModuleresetLARA-R2seriesmodulescanbereset(rebooted)by:AT+CFUNcommand(seetheu-bloxATcommandsmanual[1]).
Thiscausesan"internal"or"software"resetofthemodule.
Thecurrentparametersettingsaresavedinthemodule'snon-volatilememoryandapropernetworkdetachisperformed.
Anabrupt"external"or"hardware"resetoccurswhenalowlevelisappliedtotheRESET_Npin,whichisnormallysethighbyaninternalpull-up,foravalidtimeperiod(seethesection4.
2.
9).
Thiscausesan"external"or"hardware"resetoftheentiremodule,includingtheintegratedpowermanagementunit,exceptfortheRTCinternalblock:theV_INTgenericdigitalinterfacessupplyisswitchedoffandallthedigitalpinsaretri-stated,buttheV_BCKPsupplyandtheRTCblockareenabled.
Thecurrentparametersettingsarenotsavedinthemodule'snon-volatilememoryandapropernetworkdetachisnotperformed.
TheRESET_Nlineshouldbedrivenbyopendrain,opencollectororcontactswitch.
2.
3.
4Module/hostconfigurationselectionThefunctionalityoftheHOST_SELECTpinisnotsupportedby"02"and"62"productversions.
Themodulesincludeonepin(HOST_SELECT)toselectthemodule/hostapplicationprocessorconfiguration:thepinisavailabletoselect,enable,connect,disconnectandsubsequentlyreconnecttheHSICinterface.
2.
4SIM2.
4.
1SIMinterfaceASIMcardinterfaceisprovidedontheVSIM,SIM_IO,SIM_CLK,SIM_RSTpins:thehigh-speedSIM/MEinterfaceisimplementedaswellastheautomaticdetectionoftherequiredSIMsupportingvoltage.
Both1.
8Vand3VSIMtypesaresupported(1.
8Vand3VME).
Activationanddeactivationwithautomaticvoltageswitchfrom1.
8Vto3Visimplemented,accordingtoISO-IEC7816-3specifications.
TheSIMdriversupportsthePPSprocedureforbaud-rateselection,accordingtothevaluesproposedbytheSIMcard/chip.
2.
4.
2SIMdetectionLARA-R2seriesmodulesprovidetheSIMdetectionfunctionovertheGPIO5pintosensetheSIMcardphysicalpresence(asanoptionalfeature)whenthepinofthemoduleisproperlyconnectedtothemechanicalswitchoftheSIMcarholder.
Formoredetails,seetheLARA-R2seriessystemintegrationmanual[2].
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage16of50C1-Public2.
5SerialcommunicationLARA-R2seriesmodulesprovidethefollowingserialcommunicationinterfaces:MainUARTinterface:serialinterfaceavailableforthecommunicationwithahostapplicationprocessor(ATcommands,data,FWupdatebymeansofFOAT),forFWupdatebymeansoftheu-bloxEasyFlashtoolandfordiagnostic.
AuxiliaryUARTinterface:serialinterfaceavailableforATcommandscommunicationwithahostapplicationprocessor,andfordiagnostic.
USBinterface:UniversalSerialBus2.
0compliantinterfaceavailableforthecommunicationwithahostapplicationprocessor(ATcommands,datacommunication,FWupdatebymeansoftheFOATfeature),forFWupdatebymeansoftheu-bloxEasyFlashtoolandfordiagnostic.
HSICinterface:High-SpeedInter-ChipUSBcompliantinterfaceavailableforthecommunicationwithahostapplicationprocessor(ATcommands,datacommunication,FWupdatebymeansoftheFOATfeature),forFWupdatebymeansoftheu-bloxEasyFlashtoolandfordiagnostic.
DDCinterface:I2Cbuscompatibleinterfaceavailableforthecommunicationwithu-bloxGNSSpositioningchips/modulesandwithexternalI2Cdevicesasanaudiocodec.
SDIOinterface:SecureDigitalInputOutputinterfaceavailableforthecommunicationwithcompatibleu-bloxshortrangeradiocommunicationWi-Fimodules.
2.
5.
1MainUARTinterfaceLARA-R2seriesmodulesincludea9-wireunbalancedmainprimaryUniversalAsynchronousReceiver/Transmitterserialinterface(UART)forcommunicationwithanexternalapplicationhostprocessor(ATcommands,datacommunication,FWupdatebymeansoftheFOATfeature),forFWupdatebymeansoftheu-bloxEasyFlashtoolandfordiagnostic.
UARTfeaturesare:CompleteserialportwithRS-232functionalityconformingtoITU-TV.
24recommendation[14],withCMOScompatiblelevels(0Vforlowdatabit/ONstate,1.
8Vforhighdatabit/OFFstate)Datalines(RXDoutput,TXDinput),hardwareflowcontrollines(CTSoutput,RTSinput),modemstatusandcontrollines(DTRinput,DSRoutput,DCDoutput,RIoutput)areprovidedHardwareflowcontrol(defaultvalue),softwareflowcontrol,ornoneflowcontrolaresupportedPowersavingindicationavailableonthehardwareflowcontroloutput(CTSline):thelineisdriventotheOFFstatewhenthemoduleisnotpreparedtoacceptdatabytheUARTinterfacePowersavingcontrolovertheRTSinputortheDSRinputcanbeenabledviaAT+UPSVcommand(seetheu-bloxATcommandsmanual[1]andLARA-R2seriessystemintegrationmanual[2])Thefollowingbaudratesaresupported:9'600,19'200,38'400,57'600,115'200(defaultbaudratewhenautobaudingisdisabled),230'400,460'800,921'600,3'000'000,3'250'000,6'000'000and6'500'000bit/sOne-shotautobaudingissupportedanditisenabledbydefault:automaticbaudratedetectionisperformedonlyonce,atmodulestartup.
Afterthedetection,themoduleworksatthefixedbaudrate(thedetectedone)andthebaudratecanonlybechangedviaATcommand(seetheu-bloxATcommandsmanual[1],+IPR).
Thefollowingframeformatsaresupported:8N2,8N1(defaultformatwhenautomaticframerecognitionisdisabled),8E1,8O1,7E1and7O1.
One-shotautomaticframerecognitionissupportedanditisenabledbydefaultinconjunctionwithautomaticbaudratedetection(autobauding):thedetectionisperformedonlyonce,atmodulestartup.
Afterthedetection,themoduleworksatthedetectedframeformatanditcanonlybechangedviaATcommand(seeu-bloxATcommandsmanual[1],+ICF).
ThemainprimaryUARTserialinterfacecanbeconvenientlyconfiguredthroughATcommands:seetheu-bloxATcommandsmanual[1](+IPR,+ICF,+IFC,&K,\Q,+UPSV,+USIOATcommands)andLARA-R2seriessystemintegrationmanual[2].
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage17of50C1-Public2.
5.
1.
1MultiplexerprotocolLARA-R2seriesmodulesincludemultiplexerfunctionalityasper3GPPTS27.
010[9]onthemainprimaryUARTphysicallink.
ThisisadatalinkprotocolwhichusesHDLC-likeframingandoperatesbetweenthemodule(DCE)andtheapplicationprocessor(DTE),allowinganumberofsimultaneoussessionsoverthephysicallink(mainprimaryUART):theusercanconcurrentlyuseATinterfaceononeMUXchannelanddatacommunicationonanotherMUXchannel.
Thefollowingvirtualchannelsareavailable(seetheMuximplementationapplicationnote[5]):Channel0:MultiplexercontrolChannel1–5:ATcommands/dataconnectionChannel6:GNSSdatatunnelingGNSSdatatunnelingisnotsupportedbyLARA-R204-02B,LARA-R211-02B-00productversions.
2.
5.
2AuxiliaryUARTinterfaceTheauxiliaryUARTinterfaceisnotsupportedbytheLARA-R202-02B,theLARA-R203-02B,theLARA-R204-02B,theLARA-R211-02B-00,theLARA-R211-02B-01,theLARA-R211-02B-02,theLARA-R220-62B,theLARA-R280-02BandtheLARA-R281-02Bproductversions.
LARA-R2seriesmodulesincludea3-wireunbalancedauxiliarysecondaryUniversalAsynchronousReceiver/Transmitterserialinterface(AUXUART)forATcommandscommunicationwithanexternalapplicationhostprocessor,andfordiagnostic(CSDorPSDarenotsupported).
TheauxiliarysecondaryUARTinterfaceisdisabledbydefault,anditcanbeenabledbydedicatedATcommand(seetheu-bloxATcommandsmanual[1],+USIO)asalternativefunctionoftheDDC(I2C)interface'pins,inmutuallyexclusivewaywiththeDDC(I2C)interface.
AUXUARTfeaturesare:3-wireserialportwithRS-232functionalityconformingtoITU-TV.
24recommendation[14],withCMOScompatiblesignallevels(0Vforlowdatabit/ONstate,1.
8Vforhighdatabit/OFFstate)Datalines(SCLpinasAUXUARTdataoutput,SDApinasAUXUARTdatainput)Softwareflowcontrol,ornoneflowcontrol(defaultvalue)aresupportedThefollowingbaudratesaresupported:9'600,19'200,38'400,57'600,115'200(defaultbaudratewhenautobaudingisdisabled),230'400,460'800,921'600,3'000'000,3'250'000,6'000'000and6'500'000bit/sOne-shotautobaudingissupportedanditisenabledbydefault:automaticbaudratedetectionisperformedonlyonce,atmodulestartup.
Afterthedetection,themoduleworksatthefixedbaudrate(thedetectedone)andthebaudratecanonlybechangedviaATcommand(seetheu-bloxATcommandsmanual[1],+IPR).
Thefollowingframeformatsaresupported:8N2,8N1(defaultformatwhenautomaticframerecognitionisdisabled),8E1,8O1,7E1and7O1.
One-shotautomaticframerecognitionissupportedanditisenabledbydefaultinconjunctionwithautomaticbaudratedetection(autobauding):thedetectionisperformedonlyonce,atmodulestartup.
Afterthedetection,themoduleworksatthedetectedframeformatanditcanonlybechangedviaATcommand(seeu-bloxATcommandsmanual[1],+ICF).
TheDataTerminalReadyphysicallineisnotavailable,butthelogicalDataTerminalReadylineisalwaystoONstateThemultiplexerprotocolisnotsupportedovertheauxiliarysecondaryUARTphysicallink.
TheauxiliarysecondaryUARTserialinterfacecanbeconvenientlyconfiguredthroughATcommands:seetheu-bloxATcommandsmanual[1](+IPR,+ICF,+IFC,&K,\Q,+UPSV,+USIOATcommands)andLARA-R2seriessystemintegrationmanual[2].
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage18of50C1-Public2.
5.
3USBinterfaceLARA-R2seriesmodulesincludeaUSBHigh-Speed2.
0compliantinterfacewithamaximum480Mbit/sdatarateaccordingtotheUniversalSerialBusspecificationrevision2.
0[15].
ThemoduleitselfactsasaUSBdeviceandcanbeconnectedtoanycompatibleUSBhost.
TheUSBinterfaceisavailableforcommunicationwithahostapplicationprocessor(ATcommands,datacommunication,FWupdatebymeansoftheFOATfeature),forFWupdatebymeansoftheu-bloxEasyFlashtoolandfordiagnostics.
TheUSB_D+/USB_D-linescarrytheUSBdataandsignaling.
TheUSBinterfaceisautomaticallyenabledbyanexternalvalidUSBVBUSsupplyvoltage(5.
0Vtypical)appliedontheVUSB_DETpin.
TheUSBinterfaceofLARA-R2seriesmodulesmakesseveralUSBfunctionsavailablewithvariouscapabilitiesandpurposes,suchas:CDC-ACMforATcommandsanddatacommunicationCDC-ACMforGNSStunnelingCDC-ACMforSAP(SIMAccessProfile)CDC-ACMforDiagnosticlogCDC-NCMforEthernet-over-USBCDC-ACMforGNSStunnelingisnotsupportedbytheLARA-R204-02BandLARA-R211-02B-00productversions.
CDC-ACMforSAPandCDC-NCMforEthernet-over-USBarenotsupportedby"02","82""62"versions.
TheUSBinterfaceprovidesthefollowingsetofUSBfunctions:6CDC-ACMmodemCOMportsenumeratedasfollows:oUSB1:ATanddataoUSB2:ATanddataoUSB3:ATanddataoUSB4:GNSStunnelingoUSB5:SAP(SIMAccessProfile)oUSB6:diagnosticlogTheusercanconcurrentlyusetheATcommandinterfaceononeCDC,andPacket-Switched/Circuit-SwitchedDatacommunicationonanotherCDC.
FormoredetailsregardingUSBcapabilities,seetheLARA-R2seriessystemintegrationmanual[2].
USBdriversareavailableforthefollowingWindowsandWindowsEmbeddedoperatingsystemplatforms:Windows7Windows8Windows8.
1Windows10WindowsEmbeddedCE6.
0WindowsEmbeddedCompact7WindowsEmbeddedCompact2013Windows10IoTLARA-R2seriesmodulesarecompatiblewiththestandardLinux/AndroidUSBkerneldrivers.
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage19of50C1-Public2.
5.
4HSICinterfaceTheHSICinterfaceisnotsupportedby"02","62","82"productversionsexceptfordiagnosticpurposes.
LARA-R2seriesmodulesincludeaUSBHigh-SpeedInter-Chipcompliantinterfacewithamaximum480Mbit/sdatarateaspertheHigh-SpeedInter-ChipUSBElectricalSpecificationVersion1.
0[16]andUSBspecificationrevision2.
0[15].
Themoduleitselfactsasadeviceandcanbeconnectedtoanycompatiblehost.
TheHSICinterfaceisavailableforcommunicationwithahostapplicationprocessor(ATcommands,datacommunication,FWupdatebymeansoftheFOATfeature),forFWupdatebymeansoftheu-bloxEasyFlashtoolandfordiagnostics.
TheHSICinterfaceconsistsofabi-directionalDDRdataline(HSIC_DATA)fortransmittingandreceivingdatasynchronouslywiththebi-directionalstrobeline(HSIC_STRB).
ThemodulesalsoincludetheHOST_SELECTpintoselectthemodule/hostapplicationprocessorconfiguration:thepinisavailabletoselect,enable,connect,disconnectandsubsequentlyreconnecttheHSICinterface.
2.
5.
5DDC(I2C)interfaceDedicatedATcommandsforthecommunicationwithu-bloxGNSSreceiversoverDDC(I2C)arenotsupportedbyLARA-R204-02BandLARA-R211-02B-00productversions.
LARA-R2seriesmodulesincludeanI2C-buscompatibleDDCinterface(SDA,SCL)17availabletocommunicatewithau-bloxGNSSreceiverandwithexternalI2Cdevicesasanaudiocodec:LARA-R2moduleactsasanI2CmasterwhichcancommunicatewithI2CslavesinaccordancewiththeI2Cbusspecifications[17].
FormoredetailsregardingDDC(I2C)interfaceusageandtheintegrationwithau-bloxGNSSreceiver,seetheLARA-R2seriessystemintegrationmanual[2],GNSSimplementationapplicationnote[4],andtheI2CandGNSSATcommandsdescriptionintheu-bloxATcommandsmanual[1].
2.
5.
6SDIOinterfaceTheSDIOinterfaceisnotsupportedbythe"02","62","82"productversions.
LARA-R2seriesmodulesincludea4-bitSecureDigitalInputOutputinterface(SDIO_D0,SDIO_D1,SDIO_D2,SDIO_D3,SDIO_CLK,SDIO_CMD)designedtocommunicatewithexternalcompatibleu-bloxshortrangeradiocommunicationWi-Fimodules.
2.
6AudioAudioisnotsupportedbyLARA-R204-02B,LARA-R220-62Bproductversions.
LARA-R2seriesmodulessupportVoiceoverLTE(VoLTE)aswellasCircuit-SwitchedFall-Back(CSFB)fromLTEto3Gor2Gradiobearerforprovidingaudioservices.
LARA-R2seriesmodulesincludea4-wireI2Sdigitalaudiointerface(I2S_TXD,I2S_RXD,I2S_CLK,I2S_WA)thatcanbeconfiguredbyATcommandinPCMmode(shortsynchronizationsignal)orinnormalI2Smode(longsynchronizationsignal)totransferdigitalaudiodatato/fromanexternaldeviceasanaudiocodec.
17SDAandSCLpinscanbealternativelyconfigured,inamutuallyexclusiveway,asauxiliarysecondaryUARTinterface(AUXUART)onLARA-R2seriesmodulesexcepttheLARA-R202-02B,LARA-R203-02B,LARA-R204-02B,LARA-R211-02B-00,LARA-R211-02B-01,LARA-R211-02B-02,LARA-R220-62B,LARA-R280-02BandLARA-R281-02Bproductversions.
LARA-R2series-DatasheetUBX-16005783-R26InterfacesPage20of50C1-PublicFormoredetailsregardinginternalaudioprocessingsystemcapabilities,I2Sdigitalaudiointerfacepossibleconfigurations,usageandguidelinefortheintegrationwithanexternaldigitalaudiodeviceasanaudiocodec,seetheLARA-R2seriessystemintegrationmanual[2]andtheaudiosectionsintheu-bloxATcommandsmanual[1].
2.
7ClockoutputLARA-R2seriesmodulesprovidemasterdigitalclockoutputfunctionalityontheGPIO6pin,whichcanbeconfiguredtoprovidea13MHzor26MHzsquarewave.
Thisismainlydesignedtofeedthemasterclockinputofanexternalaudiocodec,astheclockoutputcanbeconfiguredin"Audiodependent"mode(generatingthesquarewaveonlywhentheaudiopathisactive),orin"Continuous"mode.
Formoredetails,seetheu-bloxATcommandsmanual[1],+UMCLKATcommand.
2.
8GPIOLARA-R2seriesmodulesinclude9pins(GPIO1-GPIO5,I2S_TXD,I2S_RXD,I2S_CLK,I2S_WA)thatcanbeconfiguredasgeneralpurposeinput/outputortoprovidecustomfunctionsassummarizedintheTable4(forfurtherdetails,seetheLARA-R2seriessystemintegrationmanual[2]andtheGPIOsectionintheu-bloxATcommandsmanual[1]).
FunctionDescriptionDefaultGPIOConfigurableGPIOsNetworkstatusindicationNetworkstatus:registeredhomenetwork,registeredroaming,datatransmission,noservice--GPIO1-GPIO4GNSSsupplyenable18Enable/disablethesupplyofu-bloxGNSSreceiverconnectedtothecellularmoduleGPIO2GPIO1-GPIO4GNSSdataready18Sensewhenu-bloxGNSSreceiverconnectedtothemoduleisreadyforsendingdatabytheDDC(I2C)GPIO3GPIO3GNSSRTCsharing19RTCsynchronizationsignaltotheu-bloxGNSSreceiverconnectedtothecellularmodule--GPIO4SIMcarddetectionExternalSIMcardphysicalpresencedetectionGPIO5GPIO5SIMcardhotinsertion/removalEnable/disableSIMinterfaceupondetectionofexternalSIMcardphysicalinsertion/removal--GPIO5I2SdigitalaudiointerfaceI2SdigitalaudiointerfaceI2S_RXD,I2S_TXD,I2S_CLK,I2S_WAI2S_RXD,I2S_TXD,I2S_CLK,I2S_WAWi-Ficontrol19ControlofanexternalWi-Fichipormodule----GeneralpurposeinputInputtosensehighorlowdigitallevel--AllGeneralpurposeoutputOutputtosetthehighorthelowdigitallevelGPIO4AllPindisabledTri-statewithaninternalactivepull-downenabledGPIO1AllTable4:GPIOcustomfunctionsconfiguration18NotsupportedbyLARA-R204-02BandLARA-R211-02B-00productversions:GPIO2andGPIO3pinsarebydefaultdisabled19Notsupportedby"02","62","82"productversionsLARA-R2series-DatasheetUBX-16005783-R26PindefinitionPage21of50C1-Public3Pindefinition3.
1PinassignmentFigure2:LARA-R2seriespinassignment(topview)NoNamePowerdomainI/ODescriptionRemarks1GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground2V_BCKP-I/ORealTimeClocksupplyinput/outputV_BCKP=1.
8V(typical)generatedbythemoduletosupplytheRTCwhenVCCvoltageiswithinvalidoperatingrange.
Seesection4.
2.
2fordetailedelectricalspecs.
3GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground4V_INT-OGenericDigitalInterfacessupplyoutputV_INT=1.
8V(typical)generatedbythemodulewhenitisswitched-onandwiththeRESET_Npinisnotforcedlow.
Seesection4.
2.
2fordetailedelectricalspecs.
5GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground6DSRGDIOUARTdatasetreadyCircuit107(DSR)inITU-TV.
24.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PU.
Seesection4.
2.
14fordetailedelectricalspecs.
7RIGDIOUARTringindicatorCircuit125(RI)inITU-TV.
24.
LARA-R2series-DatasheetUBX-16005783-R26PindefinitionPage22of50C1-PublicNoNamePowerdomainI/ODescriptionRemarksOutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
8DCDGDIOUARTdatacarrierdetectCircuit109(DCD)inITU-TV.
24.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
9DTRGDIIUARTdataterminalreadyCircuit108/2(DTR)inITU-TV.
24.
Internalactivepull-uptoV_INTenabled.
PU/PDclassa.
Valueatinternalreset:T/PU.
Seesection4.
2.
14fordetailedelectricalspecs.
10RTSGDIIUARTreadytosendCircuit105(RTS)inITU-TV.
24.
Internalactivepull-uptoV_INTenabled.
PU/PDclassa.
Valueatinternalreset:T/PU.
Seesection4.
2.
14fordetailedelectricalspecs.
11CTSGDIOUARTcleartosendCircuit106(CTS)inITU-TV.
24.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PU.
Seesection4.
2.
14fordetailedelectricalspecs.
12TXDGDIIUARTdatainputCircuit103(TxD)inITU-TV.
24.
Internalactivepull-uptoV_INTenabled.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
13RXDGDIOUARTdataoutputCircuit104(RxD)inITU-TV.
24.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PU.
Seesection4.
2.
14fordetailedelectricalspecs.
14GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground15PWR_ONPOSIPower-oninputInternal10kpull-upresistortoV_BCKP.
Seesection4.
2.
8fordetailedelectricalspecs.
16GPIO1GDII/OGPIOGPIOconfigurableasdescribedinsection2.
8.
OutputdriverclassA.
PU/PDclassb.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
17VUSB_DETVBUSIVBUSUSBdetectinputVBUS(5Vtypical)USBsupplygeneratedbythehostmustbeconnectedtothisinputpintoenabletheUSBinterface.
Seesection4.
2.
11fordetailedelectricalspecs.
18RESET_NERSIExternalresetinputInternal10kpull-upresistortoV_BCKP.
Seesection4.
2.
9fordetailedelectricalspecs.
19GPIO6GDIOClockoutputConfigurableclockoutput(seesection2.
7).
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
20GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground21HOST_SELECTGDII/OSelectionofmodule/hostprocessorconfigurationNotsupportedby"02","62","82"productversions.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
22GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground23GPIO2GDII/OGPIOGPIOconfigurableasdescribedinsection2.
8.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
LARA-R2series-DatasheetUBX-16005783-R26PindefinitionPage23of50C1-PublicNoNamePowerdomainI/ODescriptionRemarks24GPIO3GDII/OGPIOGPIOconfigurableasdescribedinsection2.
8.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
25GPIO4GDII/OGPIOGPIOconfigurableasdescribedinsection2.
8.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
26SDADDCI/OI2CbusdatalineFixedopendrain.
Seesection4.
2.
13fordetailedelectricalspecs.
GDIIAUXUARTdatainput20Circuit103(TxD)inITU-TV.
24.
Internalactivepull-uptoV_INTenabled.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
27SCLDDCOI2CbusclocklineFixedopendrain.
Seesection4.
2.
13fordetailedelectricalspecs.
GDIOAUXUARTdataoutput20Circuit104(RxD)inITU-TV.
24.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PU.
Seesection4.
2.
14fordetailedelectricalspecs.
28USB_D-USBI/OUSBDataLineD-90nominaldifferentialcharacteristicimpedance.
Pull-up,pull-downandseriesresistorsasrequiredbytheUSB2.
0specifications[15]arepartoftheUSBpindriver,andneednotbeprovidedexternally.
Seesection4.
2.
11fordetailedelectricalspecs.
29USB_D+USBI/OUSBDataLineD+90nominaldifferentialcharacteristicimpedance.
Pull-up,pull-downandseriesresistorsasrequiredbytheUSB2.
0specifications[15]arepartoftheUSBpindriver,andneednotbeprovidedexternally.
Seesection4.
2.
11fordetailedelectricalspecs.
30GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground31RSVD-N/ARESERVEDpinLeaveunconnected.
32GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground33RSVD-N/ARESERVEDpinThispinhasspecialfunction:itmustbeconnectedtoGNDtoallowmoduletoworkproperly.
34I2S_WAGDII/O/I/OI2Swordalignment/GPIOConfigurableasI2Swordalignment,orasGPIO(see2.
8).
I2SnotsupportedbyLARA-R204-02B,LARA-R220-62B.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
35I2S_TXDGDIO/I/OI2Stransmitdata/GPIOConfigurableasI2Stransmitdataout,orasGPIO(see2.
8).
I2SnotsupportedbyLARA-R204-02B,LARA-R220-62B.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
36I2S_CLKGDII/O/I/OI2Sclock/GPIOConfigurableasI2Sclock,orasGPIO(see2.
8).
I2SnotsupportedbyLARA-R204-02B,LARA-R220-62B.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
20TheauxiliaryUARTinterfaceisnotsupportedbyLARA-R202-02B,LARA-R203-02B,LARA-R204-02B,LARA-R211-02B-00,LARA-R211-02B-01,LARA-R211-02B-02,LARA-R220-62B,LARA-R280-02BandLARA-R281-02Bproductversions.
LARA-R2series-DatasheetUBX-16005783-R26PindefinitionPage24of50C1-PublicNoNamePowerdomainI/ODescriptionRemarks37I2S_RXDGDII/I/OI2Sreceivedata/GPIOConfigurableasI2Sreceivedatainput,orasGPIO(see2.
8).
I2SnotsupportedbyLARA-R204-02B,LARA-R220-62B.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
38SIM_CLKSIMOSIMclockSeesection4.
2.
9fordetailedelectricalspecs.
39SIM_IOSIMI/OSIMdataInternal4.
7kpull-upresistortoVSIM.
Seesection4.
2.
9fordetailedelectricalspecs.
40SIM_RSTSIMOSIMresetSeesection4.
2.
9fordetailedelectricalspecs.
41VSIM-OSIMsupplyoutputVSIM=1.
80Vtypicalor2.
90VtypicalgeneratedbythemoduleaccordingtotheexternalSIMcard/chiptype.
Seesection4.
2.
2fordetailedelectricalspecs.
42GPIO5GDII/OGPIOConfigurableforSIMcarddetection,orasGPIO(see2.
8).
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
43GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground44SDIO_D2GDII/OSDIOserialdata[2]SDIOnotsupportedby"02","62","82"productversions.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
45SDIO_CLKGDIOSDIOserialclockSDIOnotsupportedby"02","62","82"productversions.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
46SDIO_CMDGDII/OSDIOcommandSDIOnotsupportedby"02","62","82"productversions.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
47SDIO_D0GDII/OSDIOserialdata[0]SDIOnotsupportedby"02","62","82"productversions.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
48SDIO_D3GDII/OSDIOserialdata[3]SDIOnotsupportedby"02","62","82"productversions.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
49SDIO_D1GDII/OSDIOserialdata[1]SDIOnotsupportedby"02","62","82"productversions.
OutputdriverclassA.
PU/PDclassa.
Valueatinternalreset:T/PD.
Seesection4.
2.
14fordetailedelectricalspecs.
50GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground51VCC-IModulesupplyinputSupplyforBBpartonLARA-R211modules.
SupplyforBBpartandRFPAonotherLARA-R2modules.
AllVCCpinsmustbeconnectedtoexternalsupply.
Seesections4.
2.
2and4.
2.
3fordetailedspecs.
52VCC-IModulesupplyinputSupplyforRFPAonLARA-R211modules.
SupplyforBBpartandRFPAonotherLARA-R2modules.
AllVCCpinsmustbeconnectedtoexternalsupply.
Seesections4.
2.
2and4.
2.
3fordetailedspecs.
LARA-R2series-DatasheetUBX-16005783-R26PindefinitionPage25of50C1-PublicNoNamePowerdomainI/ODescriptionRemarks53VCC-IModulesupplyinputSupplyforRFPAonLARA-R211modules.
SupplyforBBpartandRFPAonotherLARA-R2modules.
AllVCCpinsmustbeconnectedtoexternalsupply.
Seesections4.
2.
2and4.
2.
3fordetailedspecs.
54GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground55GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground56ANT1ANTI/OPrimaryantenna50nominalcharacteristicimpedance.
MainTx/Rxantennainterface.
Seesection4.
2.
4/4.
2.
6fordetails.
57GNDGNDN/AGroundAllGNDpinsmustbeconnectedtoground.
58GNDGNDN/AGroundAllGNDpinsmustbeconnectedtoground.
59ANT_DETADCIAntennadetectionAntennapresencedetectionfunction.
Seesection4.
2.
7fordetailedelectricalspecs.
60GNDGNDN/AGroundAllGNDpinsmustbeconnectedtoground.
61GNDGNDN/AGroundAllGNDpinsmustbeconnectedtoground.
62ANT2ANTISecondaryantenna50nominalcharacteristicimpedance.
RxonlyforDown-LinkRxdiversity.
Seesection4.
2.
4fordetails.
63GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground64GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground65-96GND-N/AGroundAlltheGNDpinsmustbeconnectedtoground97RSVD-N/ARESERVEDpinLeaveunconnected.
98RSVD-N/ARESERVEDpinLeaveunconnected.
99HSIC_DATAHSICI/OHSICUSBdatalineHSICUSBnotsupportedby"02","62","82"productversions50nominalcharacteristicimpedance.
Seesection4.
2.
12fordetailedelectricalspecs.
100HSIC_STRBHSICI/OHSICUSBstrobelineHSICUSBnotsupportedby"02","62","82"productversions50nominalcharacteristicimpedance.
Seesection4.
2.
12fordetailedelectricalspecs.
Table5:LARA-R2seriespin-outFormoreinformationaboutthepin-out,seetheLARA-R2seriessystemintegrationmanual[2].
SeeAppendixAforanexplanationoftheabbreviationsandtermsused.
LARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage26of50C1-Public4ElectricalspecificationsStressingthedeviceaboveoneormoreoftheratingslistedintheAbsoluteMaximumRatingsectionmaycausepermanentdamage.
Thesearestressratingsonly.
OperatingthemoduleattheseoratanyconditionsotherthanthosespecifiedintheOperatingConditionssections(section4.
2)ofthespecificationshouldbeavoided.
ExposuretoAbsoluteMaximumRatingconditionsforextendedperiodsmayaffectdevicereliability.
Operatingconditionrangesdefinelimitswithinwhichthefunctionalityofthedeviceisguaranteed.
Whereapplicationinformationisgiven,itisadvisoryonlyanddoesnotformpartofthespecification.
4.
1AbsolutemaximumratingLimitvaluesgivenbelowareinaccordancewiththeAbsoluteMaximumRatingSystem(IEC134).
SymbolDescriptionConditionMin.
Max.
UnitVCCModulesupplyvoltageInputDCvoltageatVCCpin–0.
305.
00VV_BCKPRTCsupplyvoltageInputDCvoltageatV_BCKPpin–0.
152.
00VVUSB_DETUSBdetectionpinInputDCvoltageatVUSB_DETpin–0.
155.
50VUSBUSBD+/D-pinsInputDCvoltageatUSB_D+andUSB_D-pins–1.
005.
50VGDIGenericdigitalinterfacesInputDCvoltageatGenericdigitalinterfacespins–0.
303.
60VHSICHSICinterfaceInputDCvoltageatHSICinterfacepins–0.
303.
60VDDCDDCinterfaceInputDCvoltageatDDCinterfacepins–0.
303.
60VSIMSIMinterfaceInputDCvoltageatSIMinterfacepins–0.
303.
60VERSExternalresetsignalInputDCvoltageatRESET_Npin–0.
302.
10VPOSPower-oninputInputDCvoltageatPWR_ONpin–0.
302.
10VTstgStorageTemperature–40+85°CTable6:AbsolutemaximumratingsTheproductisnotprotectedagainstovervoltageorreversedvoltages.
Ifnecessary,voltagespikesexceedingthepowersupplyvoltagespecification,giveninthetableabove,mustbelimitedtovalueswithinthespecifiedboundariesbyusingappropriateprotectiondevices.
4.
1.
1MaximumESDParameterModuleMinMaxUnitRemarksESDsensitivityforallpinsexceptANT1/ANT2pinsAll1000VHumanBodyModelaccordingtoJESD22-A114ESDsensitivityforANT1/ANT2pinsAll1000VHumanBodyModelaccordingtoJESD22-A114ESDimmunityforANT1pinAll4000VContactDischargeaccordingtoIEC61000-4-28000VAirDischargeaccordingtoIEC61000-4-2ESDimmunityforANT2pinAllexceptLARA-R2044000VContactDischargeaccordingtoIEC61000-4-28000VAirDischargeaccordingtoIEC61000-4-2LARA-R2041000VContactDischargeaccordingtoIEC61000-4-22000VAirDischargeaccordingtoIEC61000-4-2Table7:MaximumESDratingsu-bloxcellularmodulesareElectrostaticSensitiveDevicesandrequirespecialprecautionswhenhandling.
Seesection7.
4forESDhandlinginstructions.
LARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage27of50C1-Public4.
2OperatingconditionsUnlessotherwiseindicated,alloperatingconditionspecificationsareatanambienttemperatureof+25°C.
Operationbeyondtheoperatingconditionsisnotrecommendedandextendedexposurebeyondthemmayaffectdevicereliability.
4.
2.
1OperatingtemperaturerangeParameterMin.
TypicalMax.
UnitRemarksNormaloperatingtemperature–20+25+65°CNormaloperatingtemperaturerange(fullyfunctionalandmeet3GPP/ETSIspecifications)Extendedoperatingtemperature–40+85°CExtendedoperatingtemperaturerange(RFperformancemaybeaffectedoutsidenormaloperatingrange,thoughmoduleisfullyfunctional)Table8:Environmentalconditions4.
2.
2Supply/powerpinsSymbolParameterMin.
TypicalMax.
UnitVCCModulesupplynormaloperatinginputvoltage213.
303.
804.
40VModulesupplyextendedoperatinginputvoltage223.
003.
804.
50VModulesupplyextendedoperatinginputvoltage232.
803.
804.
50VV_BCKPRealTimeClocksupplyinputvoltage1.
001.
801.
90VI_BCKPRealTimeClocksupplyaveragecurrentconsumption,atV_BCKP=1.
8V2.
005ATable9:InputcharacteristicsoftheSupply/PowerpinsSymbolParameterMin.
TypicalMax.
UnitVSIMSIMsupplyoutputvoltage,withexternal1.
8VSIM1.
80VSIMsupplyoutputvoltage,withexternal3.
0VSIM2.
90VV_BCKPRealTimeClocksupplyoutputvoltage1.
80VI_BCKPRealTimeClocksupplyoutputcurrentcapability3mAV_INTGenericDigitalInterfacessupplyoutputvoltage1.
80VV_INT_RIPPLEGenericDigitalInterfacessupplyoutputvoltageripplewithpowersavingdisabled(AT+UPSV=0)15mVppGenericDigitalInterfacessupplyoutputvoltageripplewithpowersavingenabled(AT+UPSV=1/2/3)35mVppI_INTGenericDigitalInterfacessupplyoutputcurrentcapability70mATable10:OutputcharacteristicsoftheSupply/Powerpins21RFperformancemaybeaffectedwhentheinputvoltageatVCCisoutsidethehereinstatednormaloperatingrangelimits,thoughthemoduleisstillfullyfunctionalwhentheinputvoltageatVCCisinsidetheextendedoperatingrangelimits.
22RangedefinedfortheVCCpin#51(supplyinputforinternalbasebandPowerManagementUnitandtransceiver)ofLARA-R211modules,andforalltheVCCpinsoftheotherLARA-R2seriesmodules,and.
InputvoltageattherelatedVCCpinsmustbeabovethehereinstatedextendedoperatingrangeminimumlimittoswitchontheLARA-R2seriesmodules.
TheLARA-R2seriesmodulesmayswitchoffwhentheinputvoltageattherelatedVCCpinsdropsbelowthehereinstatedextendedoperatingrangeminimumlimit.
23RangedefinedfortheVCCpins#52and#53(supplyinputfortheinternalpoweramplifier)ofLARA-R211modules.
LARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage28of50C1-Public4.
2.
3CurrentconsumptionModeConditionTxpowerMinTyp24Max25UnitIdle-Mode(PowerSavingenabledbyAT+UPSV,moduleinlowpoweridle-mode,equivalenttoairplanemode)Averagedvalueovera100-msperiod,USBnotconnected0.
9mAAveragedvalueovera100-msperiod,USBconnectedandsuspended1.
1mACyclicIdle/Active-Mode(PowerSavingenabledbyAT+UPSV,Moduleregisteredwithnetwork)Averagedvalueovera10-minuteperiod,USBnotconnected1.
4mAAveragedvalueovera10-minuteperiod,USBconnectedandsuspended1.
6mAActive-Mode(PowerSavingdisabledbyAT+UPSV,Moduleregisteredwithnetwork)Averagedvalueovera10-minuteperiod,USBnotconnected11.
1mAAveragedvalueovera10-minuteperiod,USBconnectedandnotsuspended29.
5mA2GConnectedMode(Tx/Rxcallenabled)Pulsevalueduringa1-slotGMSKTxburst,900MHzbandMaximum1.
92.
5AAveragedvalueovera10-secondperiod,2GGMSKcall,1Tx+1Rxslot,900MHzMinimum50mAMaximum275mAAveragedvalueovera10-secondperiod,2GGMSKcall,1Tx+1Rxslot,1800MHzMinimum50mAMaximum215mA3GConnectedMode(Tx/Rxcallenabled)Averagedvalueovera10-secondperiodMinimum115mA0dBm125mA12dBm170mA18dBm265mAMaximum490mALTEConnectedMode(Tx/Rxcallenabled)Averagedvalueovera10-secondperiodMinimum185mA0dBm200mA12dBm245mA18dBm365mAMaximum540mATable11:LARA-R2seriesmodulesVCCcurrentconsumptionParameterMinTypMaxUnitCurrentconsumptionthroughtheVCCpin#51ofLARA-R211modules(supplyinputforinternalbasebandPowerManagementUnitandtheinternaltransceiver)300mATable12:LARA-R211modulesVCCpin#51currentconsumption24Typicalvalueswithamatchedantenna25MaximumvalueswithamismatchedantennaLARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage29of50C1-Public4.
2.
4LTERFcharacteristicsTheLTEbandssupportedbyeachLARA-R2seriesmodulearedefinedinTable2,whilethefollowingTable13describestheTransmittingandReceivingfrequenciesforeachLTEbandaccordingto3GPPTS36.
521-1[11].
ParameterMin.
Max.
UnitRemarksFrequencyrangeBand12(700MHz)26Uplink699716MHzModuletransmitDownlink729746MHzModulereceiveFrequencyrangeBand13(700MHz)Uplink777787MHzModuletransmitDownlink746756MHzModulereceiveFrequencyrangeBand28(700MHz)Uplink703748MHzModuletransmitDownlink758803MHzModulereceiveFrequencyrangeBand20(800MHz)Uplink832862MHzModuletransmitDownlink791821MHzModulereceiveFrequencyrangeBand19(850MHz)Uplink830845MHzModuletransmitDownlink875890MHzModulereceiveFrequencyrangeBand5(850MHz)Uplink824849MHzModuletransmitDownlink869894MHzModulereceiveFrequencyrangeBand8(900MHz)Uplink880915MHzModuletransmitDownlink925960MHzModulereceiveFrequencyrangeBand4(1700MHz)Uplink17101755MHzModuletransmitDownlink21102155MHzModulereceiveFrequencyrangeBand3(1800MHz)Uplink17101785MHzModuletransmitDownlink18051880MHzModulereceiveFrequencyrangeBand2(1900MHz)Uplink18501910MHzModuletransmitDownlink19301990MHzModulereceiveFrequencyrangeBand1(2100MHz)Uplink19201980MHzModuletransmitDownlink21102170MHzModulereceiveFrequencyrangeBand7(2600MHz)Uplink25002570MHzModuletransmitDownlink26202690MHzModulereceiveTable13:LTEoperatingRFfrequencybandsLARA-R2seriesmodulesincludeaUEPowerClass3LTEtransmitter(seeTable2),withoutputpowerandcharacteristicsaccordingto3GPPTS36.
521-1[11].
LARA-R2seriesmodulesLTEreceivercharacteristicsarecompliantto3GPPTS36.
521-1[11],withLTEconductedreceiversensitivityperformancedescribedinTable14.
ParameterMin.
TypicalMax.
UnitRemarksReceiverinputsensitivityBand12(700MHz)–111.
0dBmChannelbandwidth=1.
4MHz–108.
0dBmChannelbandwidth=3MHz–105.
5dBmChannelbandwidth=5MHz–102.
5dBmChannelbandwidth=10MHzReceiverinputsensitivityBand13(700MHz)–105.
0dBmChannelbandwidth=5MHz–102.
0dBmChannelbandwidth=10MHzReceiverinputsensitivityBand28(700MHz)–107.
0dBmChannelbandwidth=3MHz–105.
5dBmChannelbandwidth=5MHz26LTEband12isasupersetthatincludesband17:LTEband12issupportedalongwithMulti-FrequencyBandIndicator(MFBI)featureLARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage30of50C1-PublicParameterMin.
TypicalMax.
UnitRemarks–102.
5dBmChannelbandwidth=10MHz–100.
5dBmChannelbandwidth=15MHz–99.
5dBmChannelbandwidth=20MHzReceiverinputsensitivityBand20(800MHz)–105.
0dBmChannelbandwidth=5MHz–102.
0dBmChannelbandwidth=10MHz–100.
0dBmChannelbandwidth=15MHz–98.
5dBmChannelbandwidth=20MHzReceiverinputsensitivityBand19(850MHz)–105.
0dBmChannelbandwidth=5MHz–102.
5dBmChannelbandwidth=10MHz–100.
5dBmChannelbandwidth=15MHzReceiverinputsensitivityBand5(850MHz)–110.
0dBmChannelbandwidth=1.
4MHz–107.
5dBmChannelbandwidth=3MHz–105.
0dBmChannelbandwidth=5MHz–102.
5dBmChannelbandwidth=10MHzReceiverinputsensitivityBand8(900MHz)–111.
0dBmChannelbandwidth=1.
4MHz–108.
0dBmChannelbandwidth=3MHz–105.
0dBmChannelbandwidth=5MHz–102.
5dBmChannelbandwidth=10MHzReceiverinputsensitivityBand4(1700MHz)–111.
5dBmChannelbandwidth=1.
4MHz–108.
0dBmChannelbandwidth=3MHz–105.
5dBmChannelbandwidth=5MHz–103.
0dBmChannelbandwidth=10MHz–101.
0dBmChannelbandwidth=15MHz–100.
0dBmChannelbandwidth=20MHzReceiverinputsensitivityBand3(1800MHz)–111.
0dBmChannelbandwidth=1.
4MHz–108.
0dBmChannelbandwidth=3MHz–105.
0dBmChannelbandwidth=5MHz–103.
0dBmChannelbandwidth=10MHz–101.
0dBmChannelbandwidth=15MHz–100.
0dBmChannelbandwidth=20MHzReceiverinputsensitivityBand2(1900MHz)–110.
0dBmChannelbandwidth=1.
4MHz–107.
0dBmChannelbandwidth=3MHz–104.
5dBmChannelbandwidth=5MHz–102.
0dBmChannelbandwidth=10MHz–100.
0dBmChannelbandwidth=15MHz–99.
0dBmChannelbandwidth=20MHzReceiverinputsensitivityBand1(2100MHz)–104.
0dBmChannelbandwidth=5MHz–101.
0dBmChannelbandwidth=10MHz–99.
0dBmChannelbandwidth=15MHz–98.
0dBmChannelbandwidth=20MHzReceiverinputsensitivityBand7(2600MHz)–104.
0dBmChannelbandwidth=5MHz–101.
0dBmChannelbandwidth=10MHz–99.
5dBmChannelbandwidth=15MHz–98.
5dBmChannelbandwidth=20MHzCondition:50source,throughput>95%,dualreceiver,QPSKmodulation,othersettingsasper3GPPTS36.
521-1[11]Table14:LTEreceiversensitivityperformanceLARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage31of50C1-Public4.
2.
53GRFcharacteristicsThe3GbandssupportedbyLARA-R2seriesmodulesaredefinedinTable2,whileTable15describestheTransmittingandReceivingfrequenciesforeach3Gbandaccordingto3GPPTS34.
121-1[12].
ParameterMin.
Max.
UnitRemarksFrequencyrangeBand5(850MHz)Uplink824849MHzModuletransmitDownlink869894MHzModulereceiveFrequencyrangeBand2(1900MHz)Uplink18501910MHzModuletransmitDownlink19301990MHzModulereceiveFrequencyrangeBand1(2100MHz)Uplink19201980MHzModuletransmitDownlink21102170MHzModulereceiveTable15:3GoperatingRFfrequencybandsLARA-R2seriesmodulesincludeaUEPowerClass33Gtransmitter(seeTable2),withoutputpowerandcharacteristicsaccordingto3GPPTS34.
121-1[12].
LARA-R2seriesmodules3Greceivercharacteristicsarecompliantto3GPPTS34.
121-1[12],with3GconductedreceiversensitivityperformancedescribedinTable16.
ParameterMin.
TypicalMax.
UnitRemarksReceiverinputsensitivityBand5(850MHz)–115.
0dBmDownlinkRFlevelforRMC@BER=011.
025kHz=112.
000kHz=216.
000kHz=322.
050kHz=424.
000kHz=532.
000kHz=644.
100kHz=748.
000kHz=81/T2I2S_CLKfrequency321/T1=2,.
.
,13T3I2S_TXDinvalidbeforeI2S_CLKedge24ns=2,.
.
,13T4I2S_TXDvalidafterI2S_CLKedge32ns=2,.
.
,13T5I2S_RXDsetuptimebeforeI2S_CLKedge60ns=2,.
.
,13T6I2S_RXDholdtimeafterI2S_CLKedge10ns=2,.
.
,13Table28:ACcharacteristicsofdigitalaudiointerface(I2S)pinsinNormalI2Smode(longsynchronizationsignal),MasterroleParameterDescriptionMinTypicalMaxUnitRemarks1/T1I2S_WAfrequency8.
000kHz=011.
025kHz=112.
000kHz=216.
000kHz=322.
050kHz=424.
000kHz=532.
000kHz=644.
100kHz=748.
000kHz=81/T2I2S_CLKfrequency321/T1=2,.
.
,13T3I2S_TXDinvalidbeforeI2S_CLKedge12ns=2,.
.
,13T4I2S_TXDvalidafterI2S_CLKedge79ns=2,.
.
,13T5I2S_RXDsetuptimebeforeI2S_CLKedge22ns=2,.
.
,13T6I2S_RXDholdtimeafterI2S_CLKedge24ns=2,.
.
,13Table29:ACcharacteristicsofdigitalaudiointerface(I2S)pinsinNormalI2Smode(longsynchronizationsignal),SlaveroleLARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage36of50C1-PublicParameterDescriptionMinTypicalMaxUnitRemarks1/T1I2S_WAfrequency8.
000kHz=011.
025kHz=112.
000kHz=216.
000kHz=322.
050kHz=424.
000kHz=532.
000kHz=644.
100kHz=748.
000kHz=81/T2I2S_CLKfrequency181/T1=0171/T1=1T3I2S_WAhighbeginafterI2S_CLKhighbegin-2432ns=0,1T4I2S_WAhighendafterI2S_CLKlowend-2432ns=0,1T5I2S_TXDinvalidbeforeI2S_CLKlowend24ns=0,1T6I2S_TXDvalidafterI2S_CLKhighbegin22ns=0,1T7I2S_RXDsetuptimebeforeI2S_CLKhighend60ns=0,1T8I2S_RXDholdtimeafterI2S_CLKlowbegin12ns=0,1Table30:ACcharacteristicsofdigitalaudiointerface(I2S)pinsinPCMmode(shortsynchronizationsignal),MasterroleParameterDescriptionMinTypicalMaxUnitRemarks1/T1I2S_WAfrequency8.
000kHz=011.
025kHz=112.
000kHz=216.
000kHz=322.
050kHz=424.
000kHz=532.
000kHz=644.
100kHz=748.
000kHz=81/T2I2S_CLKfrequency181/T1=0171/T1=1T3I2S_WAhighbeginbeforeI2S_CLKlowbegin36ns=0,1T4I2S_WAlowbeginbeforeI2S_CLKlowbegin36ns=0,1T5I2S_TXDinvalidbeforeI2S_CLKrisingedge12ns=0,1T6I2S_TXDvalidafterI2S_CLKrisingedge79ns=0,1T7I2S_RXDsetuptimebeforeI2S_CLKfallingedge22ns=0,1T8I2S_RXDholdtimeafterI2S_CLKfallingedge24ns=0,1Table31:ACcharacteristicsofdigitalaudiointerface(I2S)pinsinPCMmode(shortsynchronizationsignal),SlaveroleLARA-R2series-DatasheetUBX-16005783-R26ElectricalspecificationsPage37of50C1-Public4.
3ParametersforATEXapplicationsThissectionprovidesusefulparametersandinformationtointegrateLARA-R2seriesmodulesinapplicationsintendedforuseinareaswithpotentiallyexplosiveatmospheres(ATEX),describing:TotalinternalcapacitanceandinductanceofLARA-R2seriesmodules(seeTable32)MaximumRFoutputpowerattheantennapinofLARA-R2seriesmodules(seeTable33)AnyspecificapplicablerequirementfortheimplementationoftheapparatusintegratingLARA-R2seriesmodules,intendedforuseinpotentiallyexplosiveatmospheres,mustbefulfilledaccordingtotheexactapplicablestandards:checkthedetailedrequisitesonthepertinentnormativefortheapplication,asforexampleIEC60079-0[18],IEC60079-11[19],IEC60079-26[20]standards.
ThecertificationoftheapplicationdevicethatintegratesaLARA-R2seriesmoduleandthecomplianceoftheapplicationdevicewithalltheapplicablecertificationschemes,directivesandstandardsrequiredforuseinpotentiallyexplosiveatmospheresarethesoleresponsibilityoftheapplicationdevicemanufacturer.
Table32describesthemaximumtotalinternalcapacitanceandthemaximumtotalinternalinductance,consideringinternalpartstolerance,providedbyLARA-R2seriesmodules.
ModuleParameterDescriptionValueUnitLARA-R202CiMaximumtotalinternalcapacitance211FLiMaximumtotalinternalinductance26.
2HLARA-R203CiMaximumtotalinternalcapacitance211FLiMaximumtotalinternalinductance23.
2HLARA-R204CiMaximumtotalinternalcapacitance222FLiMaximumtotalinternalinductance26.
0HLARA-R211CiMaximumtotalinternalcapacitance214FLiMaximumtotalinternalinductance26.
1HLARA-R220CiMaximumtotalinternalcapacitance213.
3FLiMaximumtotalinternalinductance26.
0HLARA-R280CiMaximumtotalinternalcapacitance213.
3FLiMaximumtotalinternalinductance26.
2HTable32:LARA-R2seriesmaximumtotalinternalcapacitanceandmaximumtotalinternalinductanceTable33describesthemaximumRFoutputpowertransmittedbyLARA-R2seriesmodulesfromtheprimaryantenna(ANT1)pinasPowerClass4MobileStationsforGSM850/E-GSM900bandsand/orasPowerClass3UserEquipmentfortheLTEandUMTSbands.
ModuleParameterDescriptionValueUnitLARA-R202ANT1PoutMaximumRFoutputpowerfromANT1pin25.
0dBmLARA-R203ANT1PoutMaximumRFoutputpowerfromANT1pin25.
0dBmLARA-R204ANT1PoutMaximumRFoutputpowerfromANT1pin25.
0dBmLARA-R211ANT1PoutMaximumRFoutputpowerfromANT1pin35.
0dBmLARA-R220ANT1PoutMaximumRFoutputpowerfromANT1pin25.
0dBmLARA-R280ANT1PoutMaximumRFoutputpowerfromANT1pin25.
0dBmTable33:LARA-R2seriesantennapin(ANT1)maximumRFoutputpowerLARA-R2series-DatasheetUBX-16005783-R26MechanicalspecificationsPage38of50C1-Public5MechanicalspecificationsFigure3:LARA-R2seriesdimensions(bottomandsideviews)ParameterDescriptionTypicalToleranceAModuleheight[mm]26.
0(1023.
6mil)+0.
20/–0.
20(+7.
9/–7.
9mil)BModulewidth[mm]24.
0(944.
9mil)+0.
20/–0.
20(+7.
9/–7.
9mil)CModulethickness[mm]2.
6(102.
4mil)+0.
27/–0.
17(+10.
6/–6.
7mil)DHorizontaledgetolateralpinpitch[mm]2.
0(78.
7mil)+0.
20/-0.
20(+7.
9/-7.
9mil)EVerticaledgetolateralpinpitch[mm]6.
5(255.
9mil)+0.
20/-0.
20(+7.
9/-7.
9mil)F1Edgetolateralpinpitch[mm]1.
05(41.
3mil)+0.
20/-0.
20(+7.
9/-7.
9mil)F2Edgetolateralpinpitch[mm]5.
05(198.
8mil)+0.
20/-0.
20(+7.
9/-7.
9mil)GLateralpintopinpitch[mm]1.
1(43.
3mil)+0.
05/-0.
05(+2.
0/-2.
0mil)H1Lateralpinheight[mm]0.
8(31.
5mil)+0.
05/-0.
05(+2.
0/-2.
0mil)H2LateralpinclosetoANTheight[mm]0.
9(35.
4mil)+0.
05/-0.
05(+2.
0/-2.
0mil)ILateralpinwidth[mm]1.
5(59.
1mil)+0.
05/-0.
05(+2.
0/-2.
0mil)J1Lateralpintopindistance[mm]0.
3(11.
8mil)+0.
05/-0.
05(+2.
0/-2.
0mil)J2LateralpintopinclosetoANTdistance[mm]0.
2(7.
9mil)+0.
05/-0.
05(+2.
0/-2.
0mil)KHorizontaledgetocentralpinpitch[mm]2.
75(108.
3mil)+0.
20/-0.
20(+7.
9/-7.
9mil)LVerticaledgetocentralpinpitch[mm]6.
75(265.
7mil)+0.
20/-0.
20(+7.
9/-7.
9mil)M1Centralpintopinhorizontalpitch[mm]1.
8(70.
9mil)+0.
05/-0.
05(+2.
0/-2.
0mil)M2Centralpintopinhorizontalpitch[mm]3.
6(141.
7mil)+0.
05/-0.
05(+2.
0/-2.
0mil)NCentralpintopinverticalpitch[mm]2.
1(82.
7mil)+0.
05/-0.
05(+2.
0/-2.
0mil)OCentralpinheightandwidth[mm]1.
1(43.
3mil)+0.
05/-0.
05(+2.
0/-2.
0mil)PHorizontaledgetopin1indicatorpitch[mm]2.
0(78.
7mil)+0.
20/-0.
20(+7.
9/-7.
9mil)QVerticaledgetopin1indicatorpitch[mm]3.
4(133.
6mil)+0.
20/-0.
20(+7.
9/-7.
9mil)RPin1indicatordiameter[mm]0.
56(22.
0mil)+0.
05/-0.
05(+2.
0/-2.
0mil)WeightModuleweight[g]4Table34:LARA-R2seriesdimensionsModuleHeighttolerance+/–0.
20mmmaybeexceededclosetothecornersofthePCBduetothecuttingprocess.
Intheworstcase,theheightcouldbe+0.
40mmmorethanthetypicalvalue.
ForinformationregardingFootprintandPasteMaskrecommendedfortheapplicationboardintegratingthecellularmodule,seetheLARA-R2seriessystemintegrationmanual[2].
LARA-R2series-DatasheetUBX-16005783-R26QualificationandapprovalsPage39of50C1-Public6Qualificationandapprovals6.
1ReliabilitytestsTestsforproductfamilyqualificationsaccordingtoISO16750"Roadvehicles–Environmentalconditionsandtestingforelectricalandelectronicequipment",andappropriatestandards.
6.
2ApprovalsLARA-R2seriesmodulescomplywiththeDirective2011/65/EUoftheEuropeanParliamentandtheCouncilontheRestrictionofUseofcertainHazardousSubstancesinElectricalandElectronicEquipment(EURoHS2)anditsamendmentDirective(EU)2015/863(EURoHS3).
LARA-R2seriesmodulesareRoHS3compliant.
Nonaturalrubbers,hygroscopicmaterials,ormaterialscontainingasbestosareemployed.
Table35summarizesthemainapprovalsforLARA-R2seriesmodules.
CertificationschemeLARA-R202LARA-R203LARA-R204LARA-R211LARA-R220LARA-R280LARA-R281GCFconformancePTCRBconformanceCE(Europe)FCC(UnitedStates)FCCidentificationnumberXPY1EIQ24NNXPY1DIQN3NNXPY1EIQN2NNISED(Canada)27ICcertificationnumber8595A-1EIQ24NN8595A-1DIQN3NN8595A-1EIQN2NNGITEKI(Japan)RCM(Australia)NCC(Taiwan)AT&TT-MobileUS28VerizonU.
S.
CellularRogersTelusVodafoneDeutscheTelekomNTTDoCoMoTable35:LARA-R2seriesmaincertificationapprovalssummaryTheabovelistedcertificationsmightnotbeavailableforallthedifferentproducttypenumbers.
Pleasecontacttheu-bloxofficeorsalesrepresentativenearestyouforthecompletelistofcertificationapprovalsavailablefortheselectedproductorderingnumber.
27FormerlyknownasIC(IndustryCanada)28OnLARA-R2seriesmodulesdisablethevoicefunctionality(VoLTE/CSFB)whenusingthemoduleonT-MobileUSMNOLARA-R2series-DatasheetUBX-16005783-R26Producthandling&solderingPage40of50C1-Public7Producthandling&soldering7.
1PackagingLARA-R2seriesmodulesaredeliveredashermeticallysealedreeledtapes,toenableefficientproduction,productionlotset-upandtear-down.
Formoreinformationaboutpackaging,seetheu-bloxpackageinformationuserguide[6].
7.
1.
1ReelsLARA-R2seriesmodulesaredeliverableinquantitiesof150piecesonareel.
ThemodulesaredeliveredusingreeltypeB2describedinFigure4andintheu-bloxpackageinformationuserguide[6].
Figure4:LARA-R2seriesmodulesreelParameterSpecificationReeltypeB2Deliveryquantity150Table36:ReelinformationforLARA-R2seriesmodulesQuantitiesoflessthan150piecesarealsoavailable.
Contactu-bloxformoreinformation.
LARA-R2series-DatasheetUBX-16005783-R26Producthandling&solderingPage41of50C1-Public7.
1.
2TapesFigure5showsthepositionandtheorientationofLARA-R2modulesastheyaredeliveredonthetape,whileFigure6andTable37specifythetapedimensions.
Figure5:OrientationforLARA-R2seriesmodulesontapeFigure6:LARA-R2seriesmodulestapedimensionsParameterTypicalvalueToleranceUnitA024.
90.
2mmB026.
80.
2mmK03.
50.
2mmTable37:LARA-R2seriesmodulestapedimensions10sprocketholepitchcumulativetolerance±0.
2mm.
Pocketpositionrelativetosprocketholemeasuredastruepositionofpocket,notpockethole.
A0andB0aremeasuredonaplaneatadistance"R"abovethebottomofthepocket.
LARA-R2series-DatasheetUBX-16005783-R26Producthandling&solderingPage42of50C1-Public7.
2MoisturesensitivitylevelsLARA-R2seriesmodulesareMoistureSensitiveDevices(MSD)inaccordancetotheIPC/JEDECspecification.
TheMoistureSensitivityLevel(MSL)relatestothepackagingandhandlingprecautionsrequired.
LARA-R2seriesmodulesareratedatMSLlevel4.
Formoreinformationregardingmoisturesensitivitylevels,labeling,storageanddryingseetheu-bloxpackageinformationuserguide[6].
FortheMSLstandard,seeIPC/JEDECJ-STD-020(canbedownloadedfromwww.
jedec.
org).
7.
3ReflowsolderingReflowprofilesaretobeselectedaccordingtou-bloxrecommendations(seeLARA-R2seriessystemintegrationmanual[2]).
Failuretoobservetheserecommendationscanresultinseveredamagetothedevice!
7.
4ESDprecautionsLARA-R2seriesmodulescontainhighlysensitiveelectroniccircuitryandareElectrostaticSensitiveDevices(ESD).
HandlingLARA-R2seriesmoduleswithoutproperESDprotectionmaydestroyordamagethempermanently.
LARA-R2seriesmodulesareElectrostaticSensitiveDevices(ESD)andrequirespecialESDprecautionstypicallyappliedtoESDsensitivecomponents.
Table7detailsthemaximumESDratingsoftheLARA-R2seriesmodules.
ProperESDhandlingandpackagingproceduresmustbeappliedthroughouttheprocessing,handlingandoperationofanyapplicationthatincorporatestheLARA-R2seriesmodule.
ESDprecautionsshouldbeimplementedontheapplicationboardwherethemoduleismounted,asdescribedintheLARA-R2seriessystemintegrationmanual[2].
Failuretoobservetheserecommendationscanresultinseveredamagetothedevice!
LARA-R2series-DatasheetUBX-16005783-R26DefaultsettingsPage43of50C1-Public8DefaultsettingsInterfaceATsettingsCommentsUARTinterfaceATinterfaceenabledATcommandmodeisenabledbydefaultontheUARTphysicalinterfaceAT+IPR=0One-shotautomaticbaudratedetectionenabledAT+ICF=3,1Frameformat:8bits,noparity,1stopbitSinceAT+IPR=0isthedefaultvalue(one-shotautomaticbaudratedetectionenabled),theAT+ICFvalueintheprofileisnotapplied(AT+IPR=0overrulestheAT+ICFsetting)andtheone-shotautomaticframedetectionisactive.
AT&K3HWflowcontrolenabledAT&S1DSRlinesetONindatamodeandsetOFFincommandmodeAT&D1UponanON-to-OFFtransitionofDTR,themoduleentersonlinecommandstateandissuesanOKresultcodeAT&C1Circuit109changesinaccordancewiththeCarrierdetectstatus;ONiftheCarrierisdetected,OFFotherwiseMUXdisabledMultiplexingmodecanbeenabledbyAT+CMUXcommandprovidingfollowingchannels:Channel0:MultiplexercontrolChannel1–5:ATcommands/dataconnectionChannel6:GNSSdatatunneling29USBinterfaceEnabled6USBCDCs(CommunicationsDeviceClass)bydefaultavailable:USB1:ATanddataUSB2:ATanddataUSB3:ATanddataUSB4:GNSStunneling29USB5:SAP(SIMAccessProfile)30USB6:PrimaryLog(diagnosticpurpose)AT&K3HWflowcontrolenabledAT&S1DSRlinesetONindatamodeandsetOFFincommandmodeAT&D1UponanON-to-OFFtransitionofDTR,themoduleentersonlinecommandstateandissuesanOKresultcodeAT&C1Circuit109changesinaccordancewiththeCarrierdetectstatus;ONiftheCarrierisdetected,OFFotherwisePowersavingAT+UPSV=0DisabledNetworkregistrationAT+COPS=0SelfnetworkregistrationTable38:LARA-R2seriesdefaultsettingsSeetheu-bloxATcommandsmanual[1]andtheLARA-R2seriessystemintegrationmanual[2]forinformationaboutfurthersettingsandfactory-programmedvalues.
29NotsupportedbyLARA-R204-02BandLARA-R211-02B-00productversions.
30Notsupportedby"02","62","82"productversions.
LARA-R2series-DatasheetUBX-16005783-R26LabelingandorderinginformationPage44of50C1-Public9Labelingandorderinginformation9.
1ProductlabelingThelabelsofLARA-R2seriesmodulesincludeimportantproductinformationasdescribedinthissection.
Figure7,Figure8andFigure9illustratethelabelsofLARA-R2seriesmodules,whichinclude:u-bloxlogo,productionlot,Pb-freemarking,producttypenumber,IMEInumber,applicableregulatorycertifications'info,andproductioncountry.
Figure7:LabelofLARA-R202,LARA-R203,LARA-R204,LARA-R280modulesFigure8:LabelofLARA-R211andLARA-R281modulesFigure9:LabelofLARA-R220modulesLARA-R2series-DatasheetUBX-16005783-R26LabelingandorderinginformationPage45of50C1-Public9.
2ExplanationofcodesThreedifferentproductcodeformatsareused.
TheProductNameisusedindocumentationsuchasthisdatasheetandidentifiesalltheu-bloxproducts,independentofpackagingandqualitygrade.
TheOrderingCodeincludesoptionsandquality,whiletheTypeNumberincludesthehardwareandfirmwareversions.
Table39detailsthese3differentformats:FormatStructureProductNamePPPP-TGVVOrderingCodePPPP-TGVV-MMQTypeNumberPPPP-TGVV-MMQ-XXTable39:ProductcodeformatsTable40explainsthepartsoftheproductcode.
CodeMeaningExamplePPPPFormfactorLARATGPlatform(TechnologyandGeneration)Dominanttechnology:G:GSM;U:HSUPA;C:CDMA1xRTT;N:NB-IoT;R:LTElowdatarate(Cat1andbelow);L:LTEhighdatarate(Cat.
3andabove)Generation:1…9R2VVVariantfunctionsetbasedonthesameplatform[00…99]04MMMajorproductversion[00…99]02QProductgradeB=professionalA=automotiveBXXMinorproductversionDefaultvalueis00Table40:PartidentificationcodeLARA-R2series-DatasheetUBX-16005783-R26LabelingandorderinginformationPage46of50C1-Public9.
3OrderinginformationOrderingnumberProductLARA-R202-02BModulesupportingLTECat1bands2/4/5/12,HSPAbands2/5.
MainlydesignedforoperationinAmerica,withAT&TandT-MobileMNOapprovalsbesideothers.
26.
0x24.
0x2.
6mm,150pcs/reelLARA-R202-82BModulesupportingLTECat1bands2/4/5/12,HSPAbands2/5.
MainlydesignedforoperationinAmerica,withAT&T,USCCandT-MobileMNOapprovalsbesideothers.
26.
0x24.
0x2.
6mm,150pcs/reelLARA-R203-02BModulesupportingLTECat1bands2/4/12.
MainlydesignedforoperationinAmerica,withAT&TandT-MobileMNOapprovalsbesideothers.
26.
0x24.
0x2.
6mm,150pcs/reelLARA-R204-02BModulesupportingLTECat1bands4/13.
MainlydesignedforoperationinAmerica,withVerizonMNOapproval.
26.
0x24.
0x2.
6mm,150pcs/reelLARA-R211-02BModulesupportingLTECat1bands3/7/20,GPRSbands900/1800.
MainlydesignedforoperationinEMEA,withVodafoneapprovalbesideothers26.
0x24.
0x2.
6mm,150pcs/reelLARA-R220-62BModulesupportingLTECat1bands1/19.
MainlydesignedforoperationinJapan,withNTTDoCoMoMNOapproval.
26.
0x24.
0x2.
6mm,150pcs/reelLARA-R280-02BModulesupportingLTECat1bands3/8/28,HSPAband1.
MainlydesignedforoperationinAsia-Pacific.
26.
0x24.
0x2.
6mm,150pcs/reelLARA-R281-02BModulesupportingLTECat1bands1/3/8/20/28,HSPAband1.
MainlydesignedforoperationinEMEA.
26.
0x24.
0x2.
6mm,150pcs/reelTable41:ProductorderingcodesLARA-R2series-DatasheetUBX-16005783-R26AppendixPage47of50C1-PublicAppendixAGlossaryAbbreviationDefinition8-PSK8Phase-ShiftKeyingmodulationADCAnalogtoDigitalConverterAPACAsia-PacificCSFBCircuitSwitchedFall-BackDDCDisplayDataChannel(I2Ccompatible)InterfaceDLDown-link(Reception)DNSDomainNameSystemEMEAEurope,theMiddleEastandAfricaERSExternalResetInputSignalESDElectrostaticDischargeFOATFirmwareupdateOverATcommandsFOTAFirmwareupdateOverTheAirFWFirmwareGDIGenericDigitalInterfaces(powerdomain)GMSKGaussianMinimum-ShiftKeyingmodulationGNDGroundGNSSGlobalNavigationSatelliteSystemGPIOGeneralPurposeInputOutputHSDPAHighSpeedDownlinkPacketAccessHSICHighSpeedInterChipHSUPAHighSpeedUplinkPacketAccessI2CInter-IntegratedCircuitInterfaceI2SInter-ICSoundInterfaceIMEIInternationalMobileEquipmentIdentityIMSIPMultimediaSubsystemLGALandGridArrayLTELongTermEvolutionMNOMobileNetworkOperatorPCNProductChangeNotification/SampleDeliveryNote/InformationNotePDPull-DownPOSPower-OnInputSignalPUPull-UpRMCReferenceMeasurementChannelSDIOSecureDigitalInputOutputULUp-link(Transmission)UMTSUniversalMobileTelecommunicationsSystemVoLTEVoiceoverLTETable42:ExplanationoftheabbreviationsandtermsusedLARA-R2series-DatasheetUBX-16005783-R26RelateddocumentsPage48of50C1-PublicRelateddocuments[1]u-bloxATcommandsmanual,UBX-13002752[2]u-bloxLARA-R2seriessystemintegrationmanual,UBX-16010573[3]u-bloxAndroidRILsourcecodeapplicationnote,UBX-13002041[4]u-bloxGNSSimplementationapplicationnote,UBX-13001849[5]u-bloxMuximplementationapplicationnote,UBX-13001887[6]u-bloxpackageinformationuserguide,UBX-14001652[7]3GPPTS27.
007-ATcommandsetforUserEquipment(UE)[8]3GPPTS27.
005-UseofDataTerminalEquipment-DataCircuitterminatingEquipment(DTE-DCE)interfaceforShortMessageService(SMS)andCellBroadcastService(CBS)[9]3GPPTS27.
010-TerminalEquipmenttoUserEquipment(TE-UE)multiplexerprotocol[10]3GPPTS26.
267-Technicalspecificationgroupservicesandsystemaspects;eCalldatatransfer;In-bandmodemsolution;generaldescription[11]3GPPTS36.
521-1-EvolvedUniversalTerrestrialRadioAccess;UserEquipmentconformancespecification;radiotransmissionandreception;part1:conformancetesting[12]3GPPTS34.
121-1-UserEquipmentconformancespecification;radiotransmissionandreception(FDD);part1:conformancespecification[13]3GPPTS51.
010-1-MobileStationconformancespecification;part1:conformancespecification[14]ITU-TrecommendationV24,02-2000.
ListofdefinitionsforinterchangecircuitsbetweenDataTerminalEquipment(DTE)andDataConnectionEquipment(DCE)[15]UniversalSerialBusspecification,revision2.
0,https://www.
usb.
org/[16]High-SpeedInter-ChipUSBspecification,version1.
0,https://www.
usb.
org/[17]I2C-busspecificationandusermanual-rev.
5-9October2012-NXPsemiconductors,https://www.
nxp.
com/docs/en/user-guide/UM10204.
pdf[18]IEC60079-0-Explosiveatmospheres,part0:equipmentgeneralrequirements[19]IEC60079-11-Explosiveatmospheres,part11:equipmentprotectionbyintrinsicsafety'i'[20]IEC60079-26-Explosiveatmospheres,part26:equipmentwithEPLGaForregularupdatestou-bloxdocumentationandtoreceiveproductchangenotifications,registeronourhomepage(www.
u-blox.
com).
LARA-R2series-DatasheetUBX-16005783-R26RevisionhistoryPage49of50C1-PublicRevisionhistoryRevisionDateNameCommentsR0103-Mar-2016ssesInitialreleaseR0231-May-2016ssesDocumentapplicabilityupdatedtoLARA-R204andLARA-R211.
ImproveddescriptionofVCC,power-on,reset,hostselect,UART,USB,HSIC,GPIOpins.
R0315-Jul-2016ssesAddeddescriptionofreelsandtapes.
AddedcurrentconsumptionandRFperformancefigures.
Updateddescriptionofpower-on,reset,UART,USBpins.
R0411-Oct-2016ssesUpdatedaudiosupport.
UpdatedPWR_ON,ANT_DET,GPIOandclockoutputdescription.
Added2Gcurrentconsumptionfiguresandremarkinmechanical.
R0525-Nov-2016ssesUpdatedpower-onandpower-offsections.
R0620-Dec-2016sses"Disclosurerestriction"replaces"Documentstatus"onpage2anddocumentfooter.
ExtendedthedocumentapplicabilitytoLARA-R203-02B.
R0717-Mar-2017ssesUpdatedGPRS/EDGEmulti-slotclass.
AddedACcharacteristicsofI2Spinsandotherminorcharacteristics.
UpdatedVUSB_DETpinlogicallevelsinputranges.
ExtendedthedocumentapplicabilitytoLARA-R202-02B.
R0819-Apr-2017ssesUpdatedextendedVCCrangeofLARA-R211modules.
UpdatedLARA-R204-02BandLARA-R211-02Bproductstatus.
R0929-May-2017ssesUpdatedLARA-R203-02Bproductstatustoengineeringsample.
R1030-Jun-2017ssesUpdatedLARA-R202-02Bproductstatus.
ExtendedthedocumentapplicabilitytoLARA-R220andLARA-R280.
R1116-Aug-2017ssesUpdatedLARA-R203-02B,LARA-R220-62B,LARA-R280-02Bproductstatus.
R1222-Sep-2017ssesUpdatedLARA-R202-02Bproductstatus.
R1327-Oct-2017ssesUpdatedLARA-R202-02B,LARA-R220-62B,LARA-R280-02Bproductstatus.
R1415-Dec-2017lpahUpdatedLARA-R280-02Bproductstatus.
R1527-May-2018lpahExtendeddocumentapplicabilitytoLARA-R202-02B-01,LARA-R203-02B-01,LARA-R204-02B-01andLARA-R280-02B-01.
R1631-Aug-2018lpahExtendeddocumentapplicabilitytoLARA-R204-02B-02,LARA-R220-62B-01,LARA-R280-02B-02.
AddedRogerscertificationforLARA-R203.
R1702-Oct-2018lpahAddedT-MobilecertificationforLARA-R202.
R1820-Dec-2018lpah/ssesExtendeddocumentapplicabilitytoLARA-R202-02B-02,LARA-R203-02B-02,LARA-R211-02B-02,LARA-R220-62B-02,LARA-R280-02B-03.
Updatedpin1indicatordescription.
Mechanicaldimensionupdated.
R1910-Jun-2019lpah/ssesExtendeddocumentapplicabilitytoLARA-R202-02B-03,LARA-R203-02B-03.
UpdatedLARA-R211-02B-02productstatus.
UpdatedtheRoHSstatement.
AddedparametersforATEXapplicationsR2030-Aug-2019lpah/ssesExtendeddocumentapplicabilitytoLARA-R202-82B,LARA-R220-62B-03,LARA-R280-02B-04R2125-Sep-2019lpahLARA-R220-62B-02,LARA-R220-62B-03,LARA-R280-02B-03,LARA-R280-02B-04productstatusupdateR2221-Nov-2019lpahLARA-R202-82Bproductstatusupdate.
Minorothercorrections.
AddedLARA-R202Rogerscertification.
R2317-Jan-2020lpahExtendeddocumentapplicabilitytoLARA-R203-02B-34.
R2410-Jun-2020lpahLARA-R220-62B-03,LARA-R280-02B-04applicationversionupdate.
AddedLARA-R211DeutscheTelekomcertification.
Minorotherclarifications.
R2529-Jul-2020ssesExtendeddocumentapplicabilitytoLARA-R211-02B-03,LARA-R281-02BR2609-Oct-2020ssesUpdatedLARA-R281-02Bproductstatus.
Minorotherclarifications.
LARA-R2series-DatasheetUBX-16005783-R26ContactPage50of50C1-PublicContactForcompletecontactinformation,visitusatwww.
u-blox.
com.
u-bloxOfficesNorth,CentralandSouthAmericau-bloxAmerica,Inc.
Phone:+17034833180E-mail:info_us@u-blox.
comRegionalOfficeWestCoast:Phone:+14085733640E-mail:info_us@u-blox.
comTechnicalSupport:Phone:+17034833185E-mail:support@u-blox.
comHeadquartersEurope,MiddleEast,Africau-bloxAGPhone:+41447227444E-mail:info@u-blox.
comSupport:support@u-blox.
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Ltd.
Phone:+6567343811E-mail:info_ap@u-blox.
comSupport:support_ap@u-blox.
comRegionalOfficeAustralia:Phone:+61284482016E-mail:info_anz@u-blox.
comSupport:support_ap@u-blox.
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