H350LGASerialsModuleHardwareUserManualVersion:V1.0.3Date:2014-02-22 H350LGASerialsModuleHardwareUserManualPageof432ConfidentialMaterialThisdocumentcontainsinformationhighlyconfidentialtoFibocomWirelessInc.(Fibocom).Fibocomoffersthisinformationasaservicetoitscustomers,tosupportapplicationandengineeringeffortsthatusetheproductsdesignedbyFibocom.TheinformationprovidedisbaseduponrequirementsspecificallyprovidedtoFibocombythecustomers.Allspecificationssuppliedhereinaresubjecttochange.DisclosureofthisinformationtootherpartiesisprohibitedwithoutthewrittenconsentofFibocom.CopyrightCopy,Reproduce,Distributeand/orEditofthisdocumentorpartofitaswellasutilizationofitscontentsandcommunicationthereoftootherswithoutexpressauthorizationareprohibited.Offenderswillbeheldliableforpaymentofdamages.Allrightscreatedbypatentgrantorregistrationofautilitymodelordesignpatentarereserved.Copyright2013FibocomWirelessInc.Allrightsreserved.TrademarksNoticeTheFIBOCOMLogoisregisteredbyFibocomWirelessInc.Allotherproductorservicenamesorlogosarethepropertyoftheirrespectiveowners.Copyright2013FibocomWirelessInc.Allrightsreserved. H350LGASerialsModuleHardwareUserManualPageof433FederalCommunicationCommissionInterferenceStatementThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference.(2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneofthefollowingmeasures:-Reorientorrelocatethereceivingantenna.-Increasetheseparationbetweentheequipmentandreceiver.-Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.-Consultthedealeroranexperiencedradio/TVtechnicianforhelp.FCCCaution:Anychangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser'sauthoritytooperatethisequipment.Thistransmittermustnotbeco-locatedoroperatinginconjunctionwithanyotherantennaortransmitter.RFExposureCompliance:ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolledenvironment.Theantenna(s)usedforthistransmittermustbeinstalledtoprovideaseparationdistanceofatleast20conformallpersonsandmustnotbeco-locatedoroperatinginconjunctionwithanyotherantennaortransmitter.ThisdeviceisintendedonlyforOEMintegratorsunderthefollowingconditions:1)Theantennamustbeinstalledsuchthat20cmismaintainedbetweentheantennaandusers.2)Thetransmittermodulemaynotbeco-locatedwithanyothertransmitterorantenna.Aslongas2conditionsabovearemet,furthertransmittertestwillnotberequired.However,theOEMintegratorisstillresponsiblefortestingtheirend-productforanyadditionalcompliancerequirementsrequiredwiththismoduleinstalledIMPORTANTNOTE:Intheeventthattheseconditionscannotbemet(forexamplecertainlaptopconfigurationsorco-locationwithanothertransmitter),thentheFCCauthorizationisnolongerconsideredvalidandtheFCCIDcannotbeusedonthefinalproduct.Inthesecircumstances,theOEMintegratorwillberesponsibleforre-evaluatingtheendproduct(includingthetransmitter)andobtainingaseparateFCCauthorization.EndProductLabeling:Thistransmittermoduleisauthorizedonlyforuseindevicewheretheantennamaybeinstalledsuchthat20cmmaybemaintainedbetweentheantennaandusers.Thefinalendproductmustbelabeledinavisibleareawiththefollowingcontains:FCCID:ZMOH35F.Thegrantee'sFCCIDcanbeusedonlywhenallFCCcompliancerequirements H350LGASerialsModuleHardwareUserManualPageof434aremet.ManualInformationTotheEndUser:TheOEMintegratorhastobeawarenottoprovideinformationtotheenduserregardinghowtoinstallorremovethisRFmoduleintheusersmanualoftheendproductwhichintegratesthismodule.Theendusermanualshallincludeallrequiredregulatoryinformation/warningasshowinthismanual. H350LGASerialsModuleHardwareUserManualPageof435RevisionHistoryVersionDateRemarksV1.0.02014-01-09InitialVersionV1.0.12014-01-15ModifiedPINdescriptiontableV1.0.22014-01-16ModifiedtunableantennalevelV1.0.32014-02-22AddH350-B50-10descriptionApplicabilityTableNo.TypeNote1H350-A50-102H350-A30-103H350-B50-104H350-B30-10Herearethemodulecomparisons:ModelNo.GSM/GPRS/EDGEBand(MHz)WCDMABand(MHz)HSDPA(Mbps)HSUPA(Mbps)H350-A50-10900/1800900/2100215.76H350-A30-10900/1800900/21007.25.76H350-B50-10850/1900850/1900215.76H350-B30-10850/1900850/19007.25.76 H350LGASerialsModuleHardwareUserManualPageof436Contents1Preface.......................................................................................................................................................................81.1Scope..............................................................................................................................................................81.2Standards.......................................................................................................................................................82Introduction..............................................................................................................................................................102.1Description...................................................................................................................................................102.2Specifications...............................................................................................................................................102.3Appearance..................................................................................................................................................123Mechanical...............................................................................................................................................................153.1Dimensions...................................................................................................................................................153.2PCBLayoutDesign....................................................................................................................................164HardwareOverview................................................................................................................................................174.1BlockDiagram.............................................................................................................................................174.2PinDefinition................................................................................................................................................184.2.1PinMap.............................................................................................................................................184.2.2PinDescription.................................................................................................................................195HardwareInterface.................................................................................................................................................245.1PowerInterface...........................................................................................................................................245.1.1VBAT..................................................................................................................................................245.1.2PowerConsumption........................................................................................................................255.1.3VIO.....................................................................................................................................................275.1.4VRTC.................................................................................................................................................275.2ON/OFFandReset.....................................................................................................................................285.2.1PinDefinition....................................................................................................................................285.2.2PowerONSignal.............................................................................................................................285.2.3PoweroffSignal...............................................................................................................................295.2.4ResetSignal.....................................................................................................................................305.3IndicatorSignal............................................................................................................................................315.3.1PinDescription.................................................................................................................................315.3.2IndicatorDescription.......................................................................................................................315.4USBInterface...............................................................................................................................................325.4.1USBInterfaceDescription..............................................................................................................325.4.2USBInterfaceApplication..............................................................................................................33 H350LGASerialsModuleHardwareUserManualPageof4375.5UARTInterface............................................................................................................................................335.5.1UARTInterfaceDescription...........................................................................................................335.5.2UARTDesign....................................................................................................................................355.5.3RingIndicator...................................................................................................................................355.6USIM..............................................................................................................................................................365.6.1USIMInterface.................................................................................................................................365.6.2USIM..................................................................................................................................................365.6.3USIMDesignNotice........................................................................................................................385.6.4USIMHotPlug..................................................................................................................................395.7DigitalAudio.................................................................................................................................................405.7.1I2S......................................................................................................................................................405.7.2I2C......................................................................................................................................................405.7.3PCMModeInterface.......................................................................................................................415.8ADCInterface...............................................................................................................................................415.9GPS_BLANKING........................................................................................................................................415.10BODY_SAR...............................................................................................................................................425.11Clock............................................................................................................................................................425.12Others.........................................................................................................................................................426ElectricalandEnvironmentalFeatures...............................................................................................................436.1ElectricalFeatures......................................................................................................................................436.2EnvironmentalFeatures.............................................................................................................................437RFInterface.............................................................................................................................................................447.1OperationFrequencyBand.......................................................................................................................447.1.1MainAntenna....................................................................................................................................447.2RFPCBDesign...........................................................................................................................................447.2.1LayoutGuideline..............................................................................................................................447.2.2Impedance........................................................................................................................................447.3AntennaDesign...........................................................................................................................................457.3.1MainAntennaDesignRequirements...........................................................................................45 H350LGASerialsModuleHardwareUserManualPageof4381Preface1.1ScopeThismanualprovidestheelectrical,mechanicalandenvironmentalrequirementsforproperlyintegratingtheH350serialswirelesscommunicationsmodule.ThismanualgivesacompletesetofhardwarefeaturesandfunctionsthatmaybeprovidedbyH350,ensurestheuserscanquicklyandconvenientlydevelopwirelesscommunicationsusingH350Module.1.2Standards3GPPTS27.007-v6.9.0:ATcommandsetforUserEquipment(UE)3GPPTS27.005-v6.0.1:UseofDataTerminalEquipment-DataCircuitterminatingEquipment(DTE-DCE)interfaceforShortMessageService(SMS)andCellBroadcastService(CBS)3GPPTS23.040-v6.9.0:TechnicalrealizationofShortMessageService(SMS)3GPPTS24.011-v6.1.0:Point-to-Point(PP)ShortMessageService(SMS)supportonmobileradiointerface3GPPTS27.010-v6.0.0:TerminalEquipmenttoUserEquipment(TE-UE)multiplexerprotocol3GPPTS27.060-v6.0.0:Packetdomain;MobileStation(MS)supportingPacketSwitchedservices3GPPTS25.304-v6.10.0:UserEquipment(UE)proceduresinidlemodeandproceduresforcellreselectioninconnectedmode3GPPTS25.308-v6.4.0:HighSpeedDownlinkPacketAccess(HSDPA);Overalldescription;Stage23GPPTS25.309-v6.6.0:FDDenhanceduplink;Overalldescription;Stage23GPPTS23.038-v6.1.0:Alphabetsandlanguage-specificinformation3GPPTS21.111-v6.3.0:USIMandICcardrequirements3GPPTS31.111-v6.11.0"USIMApplicationToolkit(USAT)"3GPPTS45.002-v6.12.0:Multiplexingandmultipleaccessontheradiopath3GPPTS51.014-v4.5.0:SpecificationoftheSIMApplicationToolkitfortheSubscriberIdentityModule-MobileEquipment(SIM-ME)interface3GPPTS51.010-1-v6.7.0:MobileStation(MS)conformancespecification;Part1:Conformancespecification3GPPTS22.004-v6.0.0:Generalonsupplementaryservices3GPPTS23.090-v6.1.0:UnstructuredSupplementaryServiceData(USSD);Stage2 H350LGASerialsModuleHardwareUserManualPageof4393GPPTS24.008v6.19,MobileradiointerfaceLayer3specification;H350LGASerialsModuleHardwareUserManualPageof43102Introduction2.1DescriptionH350serialsarehighlyintegrated3Gwirelesscommunicationmodules,supportGSM/GPRS/EDGEandUMTS/HSDPA/HSUPA/HSPA+.2.2SpecificationsSpecificationsBandsH350-Axx-10H350-Bxx-10UMTS(WCDMA/FDD):900/2100MHzUMTS(WCDMA/FDD):850/1900MHzGSM/GPRS/EDGE:900/1800MHzGSM/GPRS/EDGE:850/1900MHzDataUMTS/HSDPA/HSUPA3GPPrelease7HSUPA5.76Mbps(Cat6)HSDPA21Mbps(Cat14)or7.2Mbps(Cat8)GSM3GPPrelease7EDGE(E-GPRS)multi-slotclass33(296kbpsDL,236.8kbpsUL)GPRSmulti-slotclass33(107kbpsDL,85.6kbpsUL)PhysicalDimension:29.8mmx17.8mmx2.00mmInterface:LGAWeight:2.5gramsEnvironmentOperatingTemperature:-30~+85StorageTemperature:-40~+85PerformanceOperatingVoltageVoltage:3.3V~4.5VNormal:3.8VOperatingCurrent(TypicalValue)2mA(SleepMode)3GIdle:13mA3GTalk:500mA2GTalk:260mA(GSMPCL5)TxPower(TypicalValue)Class4(2W)850/900MHz,GSMClass1(1W)1800/1900MHz,GSMClassE2(0.5W)850/900MHz,EDGE H350LGASerialsModuleHardwareUserManualPageof4311ClassE2(0.4W)1800/1900MHz,EDGEClass3(0.2W)900/850/1900/2100MHz,WCDMARxSensitivity(TypicalValue)UMTS/HSPA:-109dBmGSM:-108dBmInterfacesRFInterfaceAntennaConnectivity1xUSB2.02xUARTMUXOverUART1MultipleProfilesoverUSBSPISupportI2CSupportI2SSupportPCM,HSIC,GPIO,A/D,RTCDataFeaturesProtocolStackEmbeddedTCP/IPandUDP/IPprotocolstackEDGEMulti-slotclass33(5Down;4Up;6Total)CodingSchemeMCS1~9GPRSMulti-slotclass33(5Down;4Up;6Total)CodingSchemeCS1~4CSDUMTS(14.4kbps),GSM(9.6kbps)USSDSupportSMSMO/MTTextandPDUmodesCellbroadcastVoiceFeaturesDigitalAudioVoicecoders:EFR/HR/FR/AMRAudioControlGainControlCharacterSetIRAGSMUCS2HEXATCommandsFIBOCOMproprietaryATcommands H350LGASerialsModuleHardwareUserManualPageof4312GSM07.05GSM07.07AccessoriesFirmwareLoaderTooloverUSB/UARTUserManualDeveloperKit2.3AppearanceThefollowingpictureshowstheH350WirelessCommunicationModule.Topview:Figure2-1TopViewBottomview:Figure2-2BottomView H350LGASerialsModuleHardwareUserManualPageof43133Mechanical3.1DimensionsFigure3-1MechanicalSpecifications H350LGASerialsModuleHardwareUserManualPageof43143.2PCBLayoutDesignFigure3-2RecommendedPCBLayout H350LGASerialsModuleHardwareUserManualPageof43154HardwareOverview4.1BlockDiagramFigure4-1BlockDiagram H350LGASerialsModuleHardwareUserManualPageof43164.2PinDefinition4.2.1PinMapTOP(View)Figure4-2PinDefinition H350LGASerialsModuleHardwareUserManualPageof43174.2.2PinDescriptionThelogicelectricalleverofH350is1.8V.ThefollowingtableshowsH350pindescription:Pin#PinNameI/OResetValueIdleValueDescriptionPowerSupply61VBATIModulemainpowerinput,voltagerange:3.3V~4.2V62VBATI63VBATI64VBATI65VBATI66VBATI59VIOO1.8Voutput44VRTCI/OBackupbatterypowerinput.PowerON/OFFSignal45POWER_OFFIPUPUPoweroffsignal,200Kresistorpulledupinsidethemodule47POWER_ONIPUPUPoweronsignal,200KresistorpulledupinsidethemoduleResetSignal46RESET_ALL_NIPUPUExternalresetsignalUSIM27USIM_CDIPUPUUSIMcardinsertdetected.390Kresistorpulledupinsidethemodule26USIM_VCCOUSIMcardpowersupply,1.8Vor3.3V25USIM_RSTOPPPPUSIMcardreset24USIM_CLKOPPPPUSIMcardclock23USIM_DATAI/OPUPUUSIMcarddata,4.7KresistorpulledupinsidethemoduleHighSpeedSIM H350LGASerialsModuleHardwareUserManualPageof431822USIM_D+HighspeedSIMcardUSB+(notsupport)21USIM_D-HighspeedSIMcardUSB-(notsupported)I2S18I2S2_CLK0OTTI2S2lClockSCLK014I2S2_WA0OTTI2S2wordalignmentselect15I2S2_TXOTTI2S2transmitline16I2S2_RXITTI2S2receivelineUSB31USB_DPI/OUSB+32USB_DMI/OUSB-33VBATIUSBPowersupplyI2C20I2C_SDAI/OPUPUI2Cdataline4.7Kresistorpulledupinsidethemodule19I2C_SCLOPUPUI2Cclockline4.7KresistorpulledupinsidethemoduleUART112UART1_RIOLLUART1RingIndicator56UART1_DSRITTUART1DTE,DTEReady55UART1_DTROHHUART1DCE,ModuleReadyIndicator,57UART1_DCDOLLUART1CarrierDetect10UART1_CTSIPUPUUART1ClearToSend11UART1_RTSOLLUART1RequestToSend8UART1_TXDOPPPPUART1TransmittedData H350LGASerialsModuleHardwareUserManualPageof43199UART1_RXDIPUPUUART1ReceivedDataUART251UART2_TXDOPPPPUART2TransmittedData(MUXasSPI_MTSR)50UART2_RXDIPUPUUART2ReceivedData(MUXasSPI_MRST)ADC41ADC1IAnalogdigitalconverter1Inputvoltage:01.2VEINT49WAKE_UPIPUPUExternalwake-upinterrupt,activelow48EINT2IPUPUExternalinterrupt,activelow29EINT3IPUPUExternalinterrupt,activelowUSBHSIC35HSIC_USB_DATAHSICUSBdata(notsupported)34HSIC_USB_STRBHSICUSBpulse(notsupported)Clock3FSYS1_26MOLL26Mclockoutput38CLKOUT0OPPPPDigitalaudioclockoutput30CLK32KO32kclockoutputsignalTunableANT(Inthedevelopingstage,notsuppurt)4ANTCTL3OLLTunableantennacontrolsignal,bit3.2.5V5ANTCTL2OLLTunableantennacontrolsignal,bit2.2.5V6ANTCTL1OLLTunableantennacontrolsignal,bit1.1.8V7ANTCTL0OLLTunableantennacontrolsignal,bit0.1.8V H350LGASerialsModuleHardwareUserManualPageof4320RF73ANTI/OAntennainterface,impedanceis50ohmothers43SMIOLSleepModeIndicator17CDIOPDPDCoreDumpIndicator54W_DISABLE#O/INetworkcontrolsignal(canbeusedasLPGorSPI_MRDY)52USIF3_SCLKI/OreserveforSPI_CLK53SRDYOreserveforSPI_SRDY13GPIO13OGPIO13(reserveforHSICwakeupsignal)36GPS_BlankingOLLPeripheralGPSdevicecontrolsignal37BODY_SARIPUPUBODY_SARdetectionsignalNotconnect1NC2NC39NC40NC42NC58NCGND28GND60GND67GND68GND69GND70GND71GND H350LGASerialsModuleHardwareUserManualPageof432172GND74GND75GND76GND77GND78GND79GND80GND81GND82GND83GND84GND85GND86GND87GND88GND89GND90GND91GND92GND93GND94GND95GND96GND97GND98GND99GND H350LGASerialsModuleHardwareUserManualPageof4322100GND101GND102GND103GND104GND105GND106GND107GND108GND109GND110GNDHHighVoltageLevelLLowVoltageLevelPDPull-DownPUPull-UpTTristateODOpenDrainPPPush-Pull5HardwareInterface5.1PowerInterface5.1.1VBATH350modulerequiresa3.3V~4.2VDCpowersupplytoprovide2AasGSMtransmittermaximumcurrent. H350LGASerialsModuleHardwareUserManualPageof4323Inputpowersupplyrequirements:ParameterMinimumValueRecommendedValueMaximumValueUnitVBAT3.33.84.5VNote:1.Supplyvoltagefluctuationsneedtobelowerthan300mV.2.Supplyvoltagedropminimumvalueneedstobehigherthan3.3V.Filtercapacitordescription:RecommendedcapacitorApplicationDescription1000uFGSMTransmitcurrentsergeMinimizespowersupplylossesduringtransmitbursts.Usehighcapacitancevalueaspossibleasyoucan.10nF,100nFDigitalsignalnoiseFilteringinterferencefromclockanddatasources8.2pF,10pF1800/1900/2100MHzbandsFilterstransmissionEMI.33pF,39pF850/900MHzbandsFilterstransmissionEMI.5.1.2PowerConsumptionParameterDescriptionConditionTypicalValueUnitIOFFRTCmode68uAIIDLEIdlemode(GSM)MFRMS512.1IIDLEWCDMADRX812.5ISLEEPLowpowermode(GSM)DRX21.9ISLEEP51.591.5Lowpowermode(WCDMA)DRX61.881.891.7IGSM-RMSGSMvoice-1TXslot1RXslotPeakcurrentDuringTXslotGSM850PCL5239.00IGSM-RMS1081.801550.101946.30EGSM9005246.7 H350LGASerialsModuleHardwareUserManualPageof4324PCL1091.91561.21957.2DCS1800PCL0172.2582.11060.31557.9PCS1900PCL0168.80570.701048.801546.10IGSM-MAXGSM850PCL51799.90IGSM-MAX10421.10EGSM900PCL=10GSMvoice-1RxslotTXslot15143.6019116.40DCS1800PCL=0EGSM900PCL51738.810415.9DCS1800PCL10GSMvoice-1RxslotTXslot15135.319124.2DCS1800PCL01012.95348.7EGSM900PCL=15GSMvoice-1RxslotTXslot10141.515110.3DCS1800PCL=2PCS1900PCL01162.105343.80DCS1800PCL=10GSMvoice-1RxslotTXslot10139.5015116.20IGPRSGSM850PCL=5GSM850PCL=10EGSM900PCL=5GSMvoice-1RXslotTXslot1223.90IGPRS4364.20185.004214.70 H350LGASerialsModuleHardwareUserManualPageof4325EGSM900PCL=10Band81247.94373.71894220.35.1.3VIOVIOispowersupplyforthedigitalportionofthecircuitinsideofthemodule;itcanbeusedforindicatingsignalofthemodule.VIOcanbeusedasareferencelevelofthemoduledigitalsignal.ParameterMinimumValueRecommendedValueMaximumValueUnitVIO@working1.7731.81.827V5.1.4VRTCVRTCsuppliespowerforRTCclockinsidethemodule,canbeconnectedtoexternalRTCbattery.ParameterMinimumValueRecommendedValueMaximumValueUnitVRTCoutputvoltage1.711.81.89VVRTCinputvoltage(RTCisworking)0.51.81.89VVRTCinputcurrent(RTCisworking)1.0uAVRTCReferencedesign:Figure5-1VRTCReferenceDesign H350LGASerialsModuleHardwareUserManualPageof4326Note:R8isthecurrent-limitingresistanceinordertoensureVRTCworkingnormally.R81kohmVRTCCurrentconsumption<2uA;C9valuecanaffectRTCholdtimeYoucanrefertothefollowingformulatocalculatetheRTCholdtime:T=(1.8-0.5)*C/1=1.3C,unit:sForexample:IfC9use100uFcapacitance,theRTCcanholdabout130s.JustdontconnectpinVRTCifnoneedRTCfunction.5.2ON/OFFandReset5.2.1PinDefinitionH350wirelesscommunicationmodulehasthreecontrolsignals:poweron,offandresetthemodule.PinDefinition:Pin#PinNameElectricalLevelDescription45POWER_OFFCMOS1.8VPoweroffsignal47POWER_ONCMOS1.8VPoweronsignal46RESET_ALL_NCMOS1.8VExternalresetsignalinput5.2.2PowerONSignalAfterthemoduleispoweredon,userscanlowerdownthePOWER_ONsignal,thenmodulebootsup.Thefollowingtableshowsthebursttiming:ParameterConditionMinimumValueTypicalValueMaximumValueUnitPulseWidth1003003000msTimingcontrol:Figure5-2TimingControl H350LGASerialsModuleHardwareUserManualPageof4327Referencedesign:Figure5-3POWER_ONReferenceDesign5.2.3PoweroffSignalAfterlowerdownPOWER_OFFsignal,thepowermanageunit(PMU)ofmoduleisreset,modulechangestoshutdownstatus.ParameterConditionMinimumValueTypicalValueMaximumValueUnitPulseWidth1003003000msTimingcontrol:Figure5-4TimingControl H350LGASerialsModuleHardwareUserManualPageof4328Referencedesign:Figure5-5POWER_OFFReferenceDesign5.2.4ResetSignalH350wirelesscommunicationmodulesupportsexternalreset;itcanrestorethemoduletodefaultsettingsthroughResetsignal.WhenResetsignalisActiveLowby100ms,themodulewillresetandrestart.Whenusersresetthemodule,PMUinsidethemoduleisstillon.Note:Resetsignalissensitive,whenPCBlayout,pleasekeepitawayfromradiofrequencyinterference,adddebouncingcapacitornearthemoduleendisrecommended.DonttracetheResetsignalinPCBedgeorsurface,itmayresetESD.PulseTimingrequirements:ParametersConditionMinimumValueTypicalValueMaximumValueUnitPulseWidth1003003000msRecommendeddesign:Figure5-6ResetRecommendedDesign H350LGASerialsModuleHardwareUserManualPageof43295.3IndicatorSignal5.3.1PinDescriptionPin#PinNameDescription54W_DISABLE1#/LPGOpen/closenetwork/stateindication43SMISleepModeIndicator17CDICoreDumpIndicator49WAKE_UPWakeupmodule5.3.2IndicatorDescription5.3.2.1LPGSignalLPGsignaldescription:StatusModeidle(unregistered)highlevel:about2.5s,lowlevel:about100msidle(registered)75mshighlevel,3SlowlevelCalllowlevelDatacommunicating75mshighlevel,75mslowlevelSleephighlevelNote:Highlevelvoltageis1.8V.5.3.2.2SMIModuleModeModeSleepMode2.5SHighlevel;100msLowlevelalternatechangeOtherModelowlevel5.3.2.3CDIIndicatorUsedforCoredumpindicator.ModuleModeModeNormalmodelowlevelCoreDumpHighlevel H350LGASerialsModuleHardwareUserManualPageof43305.3.2.4WAKE_UPModuleModeWAKE_UPSignalDescriptionSleepLowlevelWakeupmodule,switchfromSleeptoIdleHighlevelStayinSleepmodeIdle/CallLowlevelKeepmode,noaffectHighlevelModulecannotsettoSleepmode5.4USBInterface5.4.1USBInterfaceDescriptionPin#PinNameI/ODescription31USB_DPI/OUSB+32USB_DMI/OUSB-33VBATIUSBpowersupplyH350wirelesscommunicationmodulesupportsUSB2.0.InstallthecorrespondingUSBdriverbeforeuseonPC.AfterH350wirelesscommunicationmodulepluggedintothePC,theUSBcanmapsevenports:One3GModem/ATportfordataoperationThreeportsforsendingATCommandOneportfortraceTwoportsarereserved H350LGASerialsModuleHardwareUserManualPageof43315.4.2USBInterfaceApplicationReferenceDesign:Figure5-7USBInterfaceReferenceDesignT101andT102shouldbelowcapacitorTVS,itisbelow1pF.NospecialrequirementforT103.VUSBisUSBpowersupply,Recommendpowersupplyrangeis3.3V~4.5V.PleasedontfloatpinVUSB,orUSBcantbedetected.USB_DPandUSB_DMarehighspeeddifferentiallines,thehighesttransmitspeedis480Mbps.PCBLayoutnote:USB_DPandUSB_DMlinesneedequallength,parallel,asshortaspossible.TheinputandoutputneedGNDisolation.ThelayoutdesignofthiscircuitontheAPboardshouldcomplywiththeUSB2.0highspeedprotocol,Withdifferentialliningandimpedancecontrolto90ohm.5.5UARTInterface5.5.1UARTInterfaceDescriptionH350wirelesscommunicationmoduleprovidestwoUART,oneis8wireserialbusinterface,andtheotherisa2wireserialbusinterface.8wireserialbusinterface(UART1)supportsflowcontrol;userscandownloadsoftwareorsend/receiveATthroughUART1.2wireserialbusinterface(UART2)supportsafewATCommands.Note:UART2onlysupportssomecommonqueryfunctions.UART2doesntsupporthardwareflowcontrol,noCTS,RTS,DTR,DSR,DCD,RIpin. H350LGASerialsModuleHardwareUserManualPageof4332UART2supportMUXasSPIinterface.UART1andUART2signaldescription:UART1Pin#PinNameI/ODescription12UART1_RIOUART1RingIndicator56UART1_DSRIUART1DTEReady55UART1_DTROUART1DCEReady57UART1_DCDOUART1CarrierDetect10UART1_CTSIUART1Cleartosend11UART1_RTSOUART1Requesttosend8UART1_TXDOUART1TransmittedData9UART1_RXDIUART1ReceivedDataUART2Pin#PinNameI/ODescription50UART2_RXDIUART2TransmittedData51UART2_TXDOUART2ReceivedData5.5.2UARTDesignThefollowingtableshowthesignaldirectionwhenH350wirelesscommunicationmodule(DCE)UART1connectstoPC(DTE):ApplicationMCU(DTE)SignalDirectionH350Module(DCE)RXDUART1_TXDTXDUART1_RXDRTSUART1_CTSCTSUART1_RTSDSRUART1_DTRDTRUART1_DSR H350LGASerialsModuleHardwareUserManualPageof4333RIUART1_RIDCDUART1_DCDThefollowingtableshowsthesignaldirectionwhenH350wirelesscommunicationmodule(DCE)UART2connectstoPC(DTE):ApplicationMCU(DTE)SignalDirectionH350Module(DCE)RXDUART2_TXDTXDUART2_RXDNote:ModuleUARThighlevelis1.8V,pleaseuseexternallevelshifterifconnectto2.8Vor3.3VIOinterface.Whenyoudesign:Levelshiftfrom1.8Vto3.3V,SN74LVC2G07isrecommended.WhenUART1communicatingwithPC,firsttranslatesfrom1.8Vto3.3V,andthenusesSP3238totranslate.WhenUART2communicatingwithPC,firsttranslatesfrom1.8Vto3.3V,andthenusesSPIEX3232EEAtotranslatelevel.Noticethesignaldirectionwhentranslatelevel.5.5.3RingIndicatorUART1_R1isusedforindicatingincomingcallandSMS,sendingpulsetohostapplicationprogram.OperationModeStatusDefaultmodeLowlevelRinging1shighlevel,1slowlevel,cyclingIncomingmessage150mspulse5.6USIMH350wirelesscommunicationmodulesupportsUSIMandhighspeedSIMcard,doesnotsupport8linesmartUSIMyet.5.6.1USIMInterfacePin#PinNameI/ODescription26USIM_VCCOUSIMpowersupplyoutput25USIM_RSTOUSIMResetsignal H350LGASerialsModuleHardwareUserManualPageof433424USIM_CLKOUSIMclocksignal23USIM_IOI/OUSIMdatasignal28GNDGNDUSIMground27USIM_CDIUSIMinsertdetectsignalLowlevelindicatesSIMcardisnotinsertedHighlevelindicatesSIMcardisinserted5.6.2USIM5.6.2.1NormallyClosedSIMCircuitDesignReferenceDesign:Figure5-8NormallyClosedSIMInterfaceReferenceDesignNormallyclosedSIM:1PulloutSIMcard,pin7andpin8areshorted.2PlugSIMcard,pin7andpin8aredisconnected. H350LGASerialsModuleHardwareUserManualPageof43355.6.2.2NormallyOpenSIMCircuitDesignReferenceDesign:Figure5-9NormallyOpenSIMInterfaceReferenceDesignNormallyOpenSIM:1PulloutSIMcard,pin7andpin8aredisconnected.2InsetSIMcard,pin7andpin8areshorted.Note:ForbetterEMCperformance,SIMcardholdershouldbeclosetomoduleFilteringcapacitorshouldbeclosetoSIMcardpinTheinterfaceneedaddESDprotection,ESDshouldbeclosetoSIMcardpinUSIM_IOisalreadypulledupinsidethemoduleUSIM_CDsupportSIMhotplug,highlevelactivateddefault(detectlevelcanbechangedbyATcommand).Ifhighlevelisdetected,itmeansSIMcardisinserted.5.6.3USIMDesignNoticeTheSIMinterfaceandsignalsdesignisextremelyimportant.Thereareseveraldesignguidelinesthatmustbefollowed:H350LGASerialsModuleHardwareUserManualPageof4336ThelayoutsignalsoftheSIMcardshouldbeawayfromanypossibleEMIinterferencesources,suchastheRFantennaanddigitalswitchingsignals.Toensuresignalintegrity,thelengthbetweenSIMinterfacesignalsandmoduleshouldnotexceed100mmToavoidcrosstalkbetweenUSIM_CLKandUSIM_IO,itisrecommendedtoroutethemseparatelyontheapplicationboard,andpreferablyisolatedbyasurroundinggroundplane.TheSIMcardsignalsshouldbeprotectedfromESDusingverylowcapacitanceprotectiveelements(likeZenerdiode).TherecommendedpartnoofESDisAVR-M1005C080MTAAB(TDK).ESDcomponentshouldlayoutwithSIMholdclosely.5.6.4USIMHotPlugH350supportsSIMhotplug.5.6.4.1HardwareConnectionSIMhotplugfunctioninteractswithUSIM_CDsignal.WhennoSIMcard,USIM_CDislowlevel;insertSIM,USIM_CDishighlevel.Explanation:FornormallyclosedSIMcardcircuit,asshowninFigure5-8,USIM_CDconnectsPin8(SW2)ofU2,Pin7(SW1)connectsGND.WhenthereisnoSIMcard,SW2andSW1areshorted,so,SW2islowlevel,wheninsettingSIMcard,SW1andSW2aredisconnected,USIM_CDispulledup.FornormallyopenSIMcardcircuit,asshowninFigure5-9,USIM_CDconnectsPin8(SW2)ofU2,anditalsoconnectsGNDwith47Kresistor,Pin7ispulledupwith47Kresistor.WhennoSIMcard,SW2andSW1aredisconnected,soSW2islowlevel,afterinsertingSIM,SW2andSW1areshorted,USIM_CDispulledup.5.6.4.2SoftwareConfiguration+MSMPDATcommanddefinestheSIMcardstatusdetectionfeature.WhensetAT+MSMPD=0,theSIMdetectedfeaturedeactivated.ModuledoesnotdetectUSIM_CDsignal.WhensetAT+MSMPD=1,theSIMdetectedfeatureactivated.USIM_CDpincantestwhetherSIMcardisonsiteornot.SIM_CDisHighlevel,SIMcardisonsite,andmoduleregistersthenetworkautomatically.SIM_CDisLowlevelornotconnected,SIMcardisoffsiteandmoduledropsoutthenetwork.Note:The+MSMPDdefaultvalueis1.USIM_CDisonlyusedforSIMcardhotplugdetecting,ModulewontdetectSIM_CDatthefirststarting(itmeansthemodulewillreadSIMcarddataandregisternetworkatthefirsttimestarting,nomatterpinSIM_CDishighlevelorlowlevel). H350LGASerialsModuleHardwareUserManualPageof43375.7DigitalAudioH350supportsdigitalaudioI2Sinterface,thisinterfacesupportsnormalI2SmodeandPCMmode.ThelevelofI2Sinterfaceis1.8V.I2Ssignaldescription:Pin#PinNameI/ODescription18I2S2_CLK0OBitClock14I2S2_WA0OLeft&rightchannelsclock(LRCK)15I2S2_TXOSerialdataoutput16I2S2_RXISerialdatainput20I2C_DATAI/OI2CcontrolsignalI/O19I2C_SCLOI2Ccontrolclock5.7.1I2SH350SignalDirectionAudioCODECI2SPortI2S2_CLK0I2S_CLKI2S2_WA0I2S_LRCKI2S2_RXI2S_SDINI2S2_TXI2S_SDOUTCLKOUT0I2S_MCLK5.7.2I2CH350SignalDirectionAudioCODECI2CPortI2C_SDAI2C_SDAI2C_SCLI2C_SCLNote:I2ScanworkinmastermodeorslavemodeItsupportsvariousaudiosamplerates(48KHz,44.1KHz,32KHz,24KHz,22.5KHz,16KHz,12KHz,11.025KHzand8KHz). H350LGASerialsModuleHardwareUserManualPageof43385.7.3PCMModeInterfaceH350SignalDirectionAudioCODECPCMPortI2S2_CLK0(PCM_CLK,PCMclocksignal)PCM_CLK(PCMclocksignal)I2S2_WA0(PCM_SYNC,PCMframesynchronizationsignal)PCM_SYNC(PCMframesynchronizationsignal)I2S2_RX(PCM_DIN,PCMdatainput)PCM_DOUT(PCMdataoutput)I2S2_TX(PCM_DOUT,PCMdataoutput)PCM_DIN(PCMdatainput)Note:PCMmodecanconfiguredtomastermodeandslavemodeItsupportsshortframesynchronizationfor16bit,32bit,48bitand64bit.SupportssendingdatainburstmodeandcontinuousmodeItsupportsvariousaudiosamplerates(48KHz,44.1KHz,32KHz,24KHz,22.5KHz,16KHz,12KHz,11.025KHzand8KHz).5.8ADCInterfaceH350supportsADCdetection,withaccuracyto10bit.TheinputvoltagerequirementforADC:0~1.2V.ThefollowingtableshowstheADCsignaldescription:Pin#PinNameI/ODescription41ADC1IADCinput5.9GPS_BLANKINGThedefaulted-valueislowlevel(output).WhenmoduleworkswithGSMnetwork,pinGPSBlankingandpinGSMburstwilloutputsamepulsesignal.BecauseGSMTXmayinterferewithGPSRX,APwillcloseorstopGPSRXwhenAPdetectsGPSBlankingsignal. H350LGASerialsModuleHardwareUserManualPageof4339Pin#PinNameI/ODescription36GPS_BLANKINGOPeripheralGPSdevicecontrolsignal5.10BODY_SARH350supportBODY_SARfunction.PinBODY_SARisaninputI/O(itssignalcomesfromAPoutputinterface),default-valueishighlevel,activelow.Withperipheralsensor,APcandetecttheclosingbodyandoutputlowleveltoBODY_SAR,gettingtheinterrupt,themodulewillreduceitspower.Thethresholdvalue(powervalue)canbeconfiguredbyATcommand.Pin#PinNameI/ODescription37BODY_SARIBODY_SARdetection5.11ClockPin#PinNameI/ODescription3FSYS1_26MO26Mclockoutput(peripheralGPSdevicecanuse)38CLKOUT0O26MHzmainclockoutput(I2Scanuse30CLK32KO32KclockoutputNote:FSYS1_26MismoreaccuratethanCLKOUT0.5.12OthersThemoduledoesnotsupportGPIOyet. H350LGASerialsModuleHardwareUserManualPageof43406ElectricalandEnvironmentalFeatures6.1ElectricalFeaturesThistableshowstheelectricalfeaturesrangeofH350.ParameterMinimumValueMaximumValueUnitVBAT04.5VDigitalSignal01.9V6.2EnvironmentalFeaturesThistableshowstheenvironmentalfeaturesofH350.ParameterMinimumValueMaximumValueUnitOperationalTemperature-30+85CStorageTemperature-40+85C H350LGASerialsModuleHardwareUserManualPageof43417RFInterface7.1OperationFrequencyBand7.1.1MainAntennaOperatingBandTxRxUMTS2100(BandIIMT)19201980MHz21102170MHzUMTS1900(BandIIIMT)18501910MHz19301990MHzUMTS850(BandVIMT)824849MHz869894MHzUMTS900(BandVIIIIMT)880915MHz925960MHzGSM850824849MHz869894MHzGSM900880915MHz925960MHzDCS180017101785MHz18051880MHzPCS190018501910MHz19301990MHz7.2RFPCBDesign7.2.1LayoutGuidelineAsH350doesnothaveaRFconnector,soforRFline,microstriplineisrecommended.Theshorterthebetter,insertlossislessthan0.2dB;impedanceislessthan50ohm.ItistomountH350moduleandantennaconnectortothesamesideoflayout.Adda-typecircuit(twoparalleldevicegroundpindirectlytothemainland)forantennamatching.Figure7-1-typeCircuit7.2.2ImpedanceTheRFlinesimpedanceshouldnotexceed50ohm. H350LGASerialsModuleHardwareUserManualPageof43427.3AntennaDesign7.3.1MainAntennaDesignRequirements(1)AntennaEfficiencyAntennaefficiencyistheratiobetweenantennainputpowerandradiationpower.Theradiationpowerofanantennaisalwayslowerthantheinputpowerduetothefollowingfactors:returnloss,materialloss,andcouplingloss.Efficiencyofthemasterantenna>40%(4dB)(2)S11orVSWRS11(returnloss)indicatesthedegreetowhichtheinputimpedanceofanantennamatchesthereferenceimpedance(50ohm).S11showstheresonancefeatureandimpedancebandwidthofanantenna.Voltagestandingwaveratio(VSWR)isanotherexpressionofS11.S11relatestotheantennaefficiency.S11canbemeasuredbyvectoranalyzer.S11ofthemasterantenna<10dB(3)PolarizationThepolarizationofanantennaistheorientationoftheelectricfieldvectorthatrotateswithtimeinthedirectionofmaximumradiation.Linearpolarizationisrecommended:itwouldbebetterifthepolarizationdirectionofdiversityantennaisdifferentfrommainantenna.(4)RadiationPatternRadiationpatternreferstothedirectionaldependenceofthestrengthoftheradiowavesfromtheantennaorothersource.Theradiationpatternofhalfwavedipoleantennasisthebestforwirelessterminals.Ifitisbuilt-inantenna,PIFAantennaisrecommended:Antennaarea(HxWxL):6mmx10mmx100mm.PIFAorIFAantennaisrecommended.RadiationPattern:Omni-directional(5)GainandDirectivityThedirectivityoftheantennaistheelectromagneticfieldstrengthoftheelectromagneticwaveineachdirection.Anantenna'spowergainisakeyperformancefigurewhichcombinestheantennasdirectivityandelectricalefficiency.Antennagain2.5dBi(6)InterferenceBesidestheantennaperformance,theinterferenceonthePCBboardalsoaffectstheradioperformance(especiallytheTIS)ofthemodule.Toguaranteehighperformanceofthemodule,theinterferencesourcesontheuserboardmustbeproperlycontrolled.OnthePCBboard,therearevariousinterferencesourcesthatcanaffectthemodule,suchasthespeaker,LCD,CPU,FPCtraceandaudiocircuits,thepowersupplyshouldbefarawayfromantenna,noticeisolation,shieldandfilteringprocessingissues. H350LGASerialsModuleHardwareUserManualPageof4343(7)TRP/TISTRP(TotalRadiatedPower):W900/W850/W1900/W2100>19dBmGSM850/GSM900>28dBmDCS1800/PCS1900>25dBmTIS(TotalIsotropicSensitivity):W900/W850<-102dBmW1900/W2100<-103dBmGSM850/GSM900<-102dBmDCS1800/PCS1900<-102dBm