基于Au1200的无线车载多媒体终端硬件设计

Au1200,,(361005):,AlchemyAu1200,,,,,:;AlchemyAu1200;;GPS/GPRS:TP368.1:B:10042373X(2008)232127203HardwareDesignofWirelessMultimediaTerminalonVehiclesBasedonAu1200ZHENGYajuan,SHIZhiyuan,HUANGLianfen(CollegeofInformationScienceandTechnology,XiamenUniversity,Xiamen,361005,China)Abstract:Ahardwareschemeforwirelessmultimediaterminalonvehiclesisintroduced.Theterminal,whichisbasedonAlchemyAu1200,hasmulti2funtionssuchasaudioandvideoplaying,highspeedwirelesstransmissionofmultimediafiles,re2motemonitoringmanagementandinfraredremotecontrol.Sosecurity,entertainmentandcommunicationsareincorporated.Itprovidsasolutionforvehicularmultimediasysteminwirelessandintegrationdevelopment.Keywords:carmobileelectronics;AlchemyAu1200;multimediaprocessing;GPS/GPRS:2008205221:(3502Z20073002)1,,,,32MIPSAu1200,,,2/,1:,802.11a/b/gAP,,[1]1,GPS,GPRS,GPRS,[2],3AMDAlchemyAu1200MIPS,CPU,721200823286þü22USB3.1,Au12003.1.1Au1200DDRSDRAM,NT5TU32M16AG32bNT5TU32M16AG8Mb16I/O4bank,16b,[3]3,,32b[4]3SDRAM3.1.21TE28F128J3CNORFLASH16b,16MB,bootloaderFLASHCE0#Au1200RCS0#,FLASHAu12000xBFC00000[5],3.1.3,20GBIDECPLD,Au1200HD_CS[n]A6A4,;16D0D1574LVC2453.2Au1200,MPEG2,MPEG4,AVI,MP3,MAEPSC3.2.1Au1200LCD,FocusEnhanceMentFS453Au1200FS45344Au1200FS453,FS453FS453CLKOUTAu1200LCD,FS453Au1200;Au1200FS453LCLKFCLKPCLKBIAS,FS453YcrCb,SDTV,SDTV[6],DACS3.2.2UDA1380CPU(PSC),,821:Au120055Au1200UDA1380PSCAC97,IIS,I2C,SPIpsc_selPSC0IIS,PSC1I2C,PSC1UDA1380,PSC0,Au1200UDA1380DATAI;,Au1200UDA1380DATAO[7]3.3,GPS,GPRS,802.11a/b/g,GPSFALCOMJP72T,200mW,,RFARMGPSAu1200JP72T,GPS[8];,,FLASHGPRSGPRSSimcomSim300,GSM/GPRS900/1800/1900MHz,TCP/IP[9],,IP,GPRSInternetASUSWL2167G,802.11a/b/g,330m,54Mb/s,AP,,GPSGPRSAu1200UART0UART1,WL2167GUSB3.4USBAu1200USB,EHCIOHCIUSBHubGL850A4,//[10]USB4Au1200:,,,,,[1].()[J].,2004(1):43244.[2],.GPS[J].,2003,29(7):27229.[3].[M].:,2005.[4],,,.PXA255[J].,2007,24(5Z):2732274,250.[5]AMDAlchemyTMAu1200TMProcessorDataBook.[6]FS453/4andFS455/6DataSheetGuides.[7],,,.ARMLinux[J].,2007,28(11):261122613.[8],,.[J].,2007(3):93295.[9],,,.SIM300[J].,2008,30(3):1562158.[10]GL850AUSB2.0Low2PowerHUBControllerDatasheet.2006.,1983,,1963,,,1963,,,,()029-85398771921200823286þü