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ID:38261770
大小:142.52 KB
页数:6页
时间:2019-05-24
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1、PalmtoneGSD4e模块GPS模块开发手册——GSD4e版权所有侵权必究Confidential模块简介(((功能特点(功能特点)))·采用SiRFstarIVGSD4eWLCSP芯片,高集成度,单芯片GPS方案·本模块连接简单方便,可通过外接GPS天线实现NMEA输出·模块已集成16.369M晶振和32.768khz晶体,GPS专用滤波器和外围电源电路·3.3VCMOS通用串行接口,默认4800bps,最高1.25Mbps·预留I2C接口,方便扩展DR功能·尺寸:16.6mm*12.2mm*2.4
2、mm,管脚间距:1.1mmGSD4eWLCSP模块特性:FullyIntegrated,High-sensitivityGPSEngine·Performance–Highsensitivitynavigationengine(PVT)tracksaslowas-163dBm–HighestPerformanceGPSEngine–Extremelylowweaksignaltrackingsensitivity–ActiveJammerRemover–SiRFLocTMAGPS(Autonomous,M
3、S-Based,andMS-Assisted)(Needoperatorsupport)–SiRFInstantFixTMSGEE/CGEE(Needserversupport)–MEMSSupport–Smallestfootprintandtotalsolutionsize–HighestlevelofBOMintegration–48trackverificationchannels–Cold/Warm/HotStartTime:35/35/1sec.Atopenskyandstationaryen
4、vironments–ReacquisitionTime:0.1second–RFMetalShieldforbestperformanceinnoisyenvironments·Advantages–IntegratedhighperformanceLNA,ReducedBOMcost–EmbeddedCGEE(ClientGeneratedExtendedEphemeris)thatcancaptureephemerisdatafromsatelliteslocallyandpredictsephem
5、erisoutto3days.Soifthemodulewasoffwithin3days,itcouldcompletepositioningprocesswithin2secondsjustlikehotstart.–Removesin-bandjammersupto80dB-Hz,andTracksupto8CWjammers,sothemodulecanpreventGPSsignalinterferencewhendesign-intheelectricaldevicewithnoisyelec
6、tricalsignalinterferencessuchasLaptop,mobilephone,DSC,etc.–-160dBmAcquisitionSensitivityvs.SiRFstarIII-155dBm–-163dBmTrackingSensitivityvs.SiRFstarIII-159dBm–SignificantlyimprovedTTFFatweaksignalranges–SupportSiRFawaretechnology–SupportAdaptiveMicropowerC
7、ontroller,Only50to500μAmaintainshotstartcapabilityand<10mWrequiredforTricklePower™mode,which60%improvedovertheindustrybenchmarkSiRFstarIII,sousercanleavepoweronalldayinsteadofpoweroffSeptember,2011ProprietaryandConfidential–SupportMEMSsensorthroughI2Cinte
8、rface–Suitableforbatterydrivedevicesthatneedlowerpowerconsumptionapplication–Idealforhighvolumemassproduction(Tapingreelpackage)–CostsavingthrougheliminationofRFandboardtoboarddigitalconnectors–Flexibleandcosteffect
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