GPS模块-1722S-user manual v2.1

NEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page2of3Copyright©2007,Technology.1.ProductInformationProductName:GPS-1722ProductDescription:GPS-1722isacompact,highperformance,andlowpowerconsumptionGPSengineboard.ItusesSiRFStarIIIchipsetwhichcantrackupto20satellitesatatimeandperformfastTTFFinweaksignalenvironments.GPS-1722issuitableforthefollowingapplications:‧Automotivenavigation‧Personalpositioning‧Fleetmanagement‧Mobilephonenavigation‧MarinenavigationProductFeatures:SiRFstarIIIhighperformanceGPSChipsetVeryhighsensitivity(TrackingSensitivity:-159dBm)ExtremelyfastTTFF(TimeToFirstFix)atlowsignallevelTwoserialports4MbflashBuilt-inLNACompactsize(22.4x17x3mm)suitableforspace-sensitiveapplicationOnesizecomponent,easytomountonanotherPCBboardSupportNMEA0183andSiRFbinaryprotocolProductSpecificationsGPSReceiverChipsetSiRFGSC3f/LPxFrequencyL1,1575.42MHzCodeC/ACodeProtocolNMEA0183v2.2Default:GGA,GSA,GSV,RMCSupport:VTG,GLL,ZDA)SiRFbinaryandNMEACommandAvailableBaudRate4,800to57,600bpsadjustableNEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page3of3Copyright©2007,Technology.Channels20Flash4MbitSensitivityTracking:-159dBmColdStart42seconds,averageWarmStart38seconds,averageHotStart1second,averageReacquisition0.1second,averageAccuracyPosition:10meters,2DRMS5meters,2DRMS,WAASenabledVelocity:0.1m/sTime:1ussynchronizedtoGPStimeMaximumAltitude＜18,000meterMaximumVelocity＜515meter/secondMaximumAcceleration＜4GUpdateRate1HzDGPSWAAS,EGNOS,MSASDatumWGS-84InterfaceI/OPins2serialportsPhysicalCharacteristicType28-pinstampholesDimensions22.4mm*17mm*3mm±0.2mmDCCharacteristicsPowerSupply3.3Vdc±5%BackupVoltage2.0~3.6VdcPowerConsumptionAcquisition:40mATracking:25mAEnvironmentalRangeHumidityRange5%to95%non-condensingOperationTemperature-40℃to85℃StorageTemperature-40℃to85℃NEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page4of3Copyright©2007,Technology.2.TechnicalInformationBlockDiagramNEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page5of3Copyright©2007,Technology.ModulePinAssignment:NEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page6of3Copyright©2007,Technology.Pin#NameDescription1TXD1Serialoutputforchannel2RXD1Serialinputforchannel3TXD0Serialoutputforchannel4RXD0Serialinputforchannel5VCCDCsupplyvoltageinput6VCCDCsupplyvoltageinput7GNDGround8VDD28OUTOutputvoltage2.85V9NCNC10RESET_NReset(Activelow)11V_BATBackupbatterysupplyvoltage12NCNC13GNDGround14GNDGround15GNDGround16RF_INGPSRFsignalinput17GNDGround18VCC_RFSupplyAntennaBiasvoltage19V_ANTAntennaBiasvoltage(mustconnecttogroundifnotused)20NCNC21NCNC22NCNC23NCNC24NCNC25NCNC26NCNC27EXTINT0ExternalInterrupt28TIMEPULSEOnePulsePerSecondNEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page7of3Copyright©2007,Technology.ApplicationCircuitNEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page8of3Copyright©2007,Technology.GPSActiveAntennaSpecifications(Recommendation)Frequency:1575.42+2MHzAxialRatio:3dBTypicalOutputImpedance:50ΩPolarization:RHCPAmplifierGain:18~22dBTypicalOutputVSWR:2.0Max.NoiseFigure:2.0dBMaxAntennaInputVoltage:2.85V(Typ.)NEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page9of3Copyright©2007,Technology.DimensionsNEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page10of3Copyright©2007,Technology.RecommendedLayoutPADTolerance:±0.1mmNEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page11of3Copyright©2007,Technology.RecommendedReflowProfile:Preheatingtemperature:150±10[℃]Preheatingtime:90±30[sec.]Heatingtemperature:235±5[℃]Heatingtime:10±1[sec.]Peaktemperaturemustnotexceed240℃andthedurationofover200℃shouldbe30±10Seconds.Temperature[℃]240℃Max.235±5℃.10±1s200℃150±10℃30±10s90±30sTime[sec.]NEWSTARQQ：108926370GPS-1722Mobile:[phone]TheSpecificationsaresubjecttobechangedwithoutnotice.QQ：108926370Mobile:[phone]Page12of3Copyright©2007,Technology.SOFTWARECOMMANDNMEAOutputCommandGGA-GlobalPositioningSystemFixedDataTableB-2containsthevaluesforthefollowingexample:$GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M,,,,0000*18TableB-2GGADataFormatNameExampleUnitsDescriptionMessageID$GPGGAGGAprotocolheaderUTCTime161229.487hhmmss.sssLatitude3723.2475ddmm.mmmmN/SIndicatorNN=northorS=southLongitude12158.3416dddmm.mmmmE/WIndicatorWE=eastorW=westPositionFixIndicator1SeeTableB-3SatellitesUsed07Range0to12HDOP1.0HorizontalD