ProductName:EB707 ProductDescription:TheengineboardEB707designedbyCompassSystemsisasupercompactsizeGPS(GlobalPositioning System) module. By using SiRF Star III (GSC3f/LP Base band processor withintegratedFlashmemory,andRFfrontend)highperformanceandlowerpowerconsumptionchipsettechnology,EB707GPSmoduleprocesseshighsensitivitytosatellitesignalswithlowpowerconsumption. Itisbest-suitedtobeintegratedintovariousportableelectronicdevicesforuseinautomotive,handheldnavigation,cellularhandset,mobilecomputingandotherGPSapplications. ProductFeatures:::. Buildonhighperformance,low-powerSiRFstarIIIchipset::. ExtremefastTTFF(thetimetofirstfix)atlowsignallevel::. 20 channelGPSreceiver::. SBAS(WAAS,EGNOSEuroGeostationaryNavigationOverlayService)support::. FullnavigationaccuracyprovidedbyStandardPositioningService(SPS)::. Receptionfrequency1575.42MHz::. CPU(ARM7TDMI)with4MbofinternallypackagedFlashmemory::. AdvancedPowerManagement.(Themodeoflowpowermanagementwhensignallevelsarelessthan30dBHz.Updateratesarelimitedfrom10secondsto255seconds.)::. SupportstandardNMEA0183protocol(Version.3.0GGA,GSA,GSV,RMC,VTG)::. InternalRTC(RealTimeClock)::. Build-in+3~+5VDCconverter::. CompactEngineBoardSize28x20x3.0mm(WxLxH)withoutpatchantenna::. Shieldingcaseincluded 2.TechnicalInformation Characteristics ::. Acquisitiontime(OpenSkyandStationary)Reacquisition Average0.1secondsHotstart Average01seconds Warmstart Average38secondsColdstart Average42seconds ::. AccuracyPosition 10metersRMSwithoutSA Velocity 0.1meters/second,withoutSATime 1microsecondsynchronizedtoGPStimeDatum WGS-84(orbydemand) ::. SensitivityTrackingsensitivity -159dBm ::. DynamicsAltitude 18000metermaximumVelocity 515meter/secondmaximum Acceleration 4g ::. Frequency L1,1575.42MHzC/Acode Power ::. Powerconsumption under50mAfullyactive ::. PowerManagement Advanced Power Management.(Themodeoflowpowermanagementwhensignallevelsarelessthan30dBHz.Updateratesarelimitedfrom10secondsto255seconds.) Interface ::. Baudrate DefaultbaudrateforNMEAis4800,N,8,1.DefaultserialportsettingsforSiRFbinarymodeis57600,N,8,1. ::. SerialI/Oport highspeedUART-TTLsignal. ::. I/OProtocol NMEA0183V3.0(default) ::. I/OConnector 14pinSMDtype ::. RFConnector SMDPADforPatchAntenna PhysicalCharacteristics ::.Dimensions28x20x3.0mm[WxLxH]+/-0.1mm (w/opatchantenna)::.Weight4g::.Vibration4GMax. EnvironmentConditions ::.OperatingTemperature-20℃ to+80℃::.StorageTemperature-20℃ to+85℃::.OperatingHumidity5%~95%RH,Noncondensing Pinassignmentdescription EB707PinassignmentdescriptionPin1GNDGround2RF_INConnecttoPatchorActiveAntenna3GNDGround4GNDGround5GNDGround6GNDGround7VCC+3.0~3.6Vdcpowerinput(SystemPower)8VBATBatterybackupinput.2.8Vto3.3V,10uAtypical. 9 GPIO15LEDindicateforGPSstatus TrackingMode:FixedMode: Hi10TXSerialDataoutputportA11RXSerialDatainputportA12GNDGround13GNDGround14BOOT_SETReservedforre-programmingflash(pullhigh