基于嵌入式系统液晶多媒体播放器的系统设计

上海交通大学硕士学位论文基于嵌入式系统液晶多媒体播放器的系统设计姓名：王昀乐申请学位级别：硕士专业：电子与通讯工程指导教师：陈佳品20080601320086442008642008645CPUCPU1532MPEG6LCDEmbeddedMultimediaPlayerSystemDesignAbstractLCDmultimediatechnologyisthemainstreamoftoday'stechnologyresearchbothinthefieldofmultimediaandliquidcrystaldisplay.UnderthebackgroundofthedevelopmentofLCDtechnology,thedisplayplatformofmultimediatransitsgraduallyfromthetraditionalCRTdisplaystodigitalLCDscreen.MultimediadecodingwaysarealsodevelopingfromthesoftdecodingusinggenericCPUonaudioandvideofilestotheharddecodingusingprofessionalmultimediaCPUonmultimediafiles.Withthecharacteristicsofhighlyintegrated,highstability,featurescustomized,low-power,highsecurityandcost-effective,embeddedsystembecomesthemainstreamofresearchanddevelopmentintoday’sapplicationfield.Itiswithahightechnologyresearchandeconomicsignificancetousetheembeddedsystemtodrivenlarge-sizeLCDscreen,whichwidensthesystematicprogramscopeofpeoplechoosingdrivenlarge-sizeLCDscreen.Thispaperintroducedamultimediaplayersystemtodrivelarge-sizeLCDscreenwhichisbasedontheembeddedsystem.Itintroducesthedesignideaoftheentiresystemindetailsandcomesoutwiththeoveralldesignofthesystem,thedefinitionofinterfaceamongallmodules,operationalprincipleandworkflow.Thesystemadoptsprofessionalmultimediaharddecodingchipfordecodingmultimediafiles.ThemainchiptransmitsthevideodatatotheLCDmoduleintheformofdigitaloutputandthenthemultimediacontentwillbedisplayedontheLCD7screenthroughtheLCDmodule.Thesystemverifiesthatthemultimediafilesstoredinthesystemmemorydevicecanbedisplayedonthe15to32-inchLCDscreens,whichmeetsthescheduledfunctionalrequirementsofthedesign.Keywords:EmbeddedSystem,LCD,SystemDesign,MultimediaPlayer,MPEG101.1LCD[1]EmbeddedSystemPCICDSPIC2-3111.2[2][3][4][5]2060StoredProgramControl197111IntelIntel4004816Intel8080/80858086Motorola680068000ZilogZ80Z8000OEMCPUI/OInteliSBCZilogMCBOEM1976IntelMultibus198340MB/sMultibus1978PrologSTD122080I/OA/DD/ARAMROMVLSII/ODSP2090DSPTexasDSPTMS320C3032PC19971998NokiaSymbianMotoralLinuxGPS21DVR20057600341520%TV/3G(Wi-FiWiMax)JAVA///RTOS2005201520083370133397DVRGISGPS;-1-11-11-22110819201080TFT-LCD7-65141-1Figure1-1ChangeofLCDmarketsizevariousapplications.1-2TFTFigure1-2ChangeofthemotherglasssizefortheTFTsubstrate151-365192010801-3Figure1-3ProductsofLCD-TVsatSharpCorporation802.11b/g/nCDMAGPRS3G1.3[6]162004SymbianWinCEWinMobileWinXPPalmOSMontavistaHardHatLinuxuCLinux[7]171.4[8]5~10ModemUSB190%Intelx86IntelAMDCyrix2CPUCPUCPUCPU8~101834561.5151SigmaDesignEM85XXMPEG1/2/421532171919RGBLVDS3DALLAS13374NORFLASHEEPROMLCD20DTVDTVDTV200803115212.1MPUMCUDSPSOCPSOCRTOSVRTXPSOSVXWORK,WINCE,EPOCLINUXPALMOS-9JAVACHORUSOSQN-XNAVIOCPUNORFLASHNORFLASHNANFLASHIDESATACFSDSDRAMDDRIDDRII8MB64MB128MB256MBMPEGMPEG2MPEG4H264222.2[9]2.2.1.aviMPEGMPEGMPEGMotionPictureExpertsGroupmpgmpempam15m1vmp2MPEGMPEGMPEGMPEGMP3MPEG-3MPEGMPEG-1MPEG-2MPEG-4H.264MPEG2-1MPEG232-1MPEGFigure2-1TheFamilyofMPEG1MPEG-1MPEG-1MPEG-1MPEG-1VCDVCDMPEG-11.416Mbps1.15MbpsMPEG-16040954095MPEG-1SIF-StandardInputFormat352240p352288pMPEG-1480i704480i576i(704576i)480i576i1.856Mbps6MbpsMPEG-1MPEG-13LayerILayerIILayerIIIIIII3IIII161622.05243244.148kHZ2MPEG-2MPEG-2MPEG-1MPEG-2HDTV1.5-60MbpsMPEG-2MPEG-2MPEG-2PSProgram24StreamMPEG-2TSTransportStreamMPEG-2PSDVDMPEG-2PSMPEG-2TS188PSTSARIB/ATSC/DVB/DMBMPEG-2TSPSTSMPEG-24LL-LowLevelML-MainLevel1440High1440LevelHL-HighLevelLL4Mbps35228830ML15-20Mbps30720576High1440Level60-80Mbps6014401088HL80-100Mbps6019201088MPEG-25MPEG-11622.052464kHZMPEG-2PS/TSMPEG-4/H.264DMB-TMPEG-2TSMPEG-4H.2643MPEG-4MPEG-4MPEG-2MPEG-4MPEG-2MPEG-4IMPEG-2MPEG-2IIMPEG-4MPEG-4MPEG-4MPEG-4xDSLMPEG-4364kbps64-384kbps0.384-4MbpsMainObjects1.192010802538.4Mbps2.480i/p576i/p15Mbps3.3522882MbpsMPEG-4AAC(AdvancedAudioCoding)BSACBitSlicedArithTwinVQTransformdomainWeightedInterleaveVectorQuantization4H.264H.264MPEG-4BaselineProfileMainProfileExtendProfileH.264192010803020MbpsMPEG-4MPEG-4MPEG-4H.2642.2.2MP3WMAAACOGGWAV1MP3MP3MPEG-1AudioLayer3LossyDataCompressionMP3MP3128kbit/sCDMPEG-1Layer332,40,48,56,64,80,96,112,128,144,160,192,224,256320kbit/s32,44.148kHz44.1kHZCDMP3128kbit/sCD261,411.2kbit/s16bits/sample×44100samples/second×2channels/1000bits/kilobit)2WMAWindowsMediaAudioWMAWMAMP3MPEG-4AACRealAudioWMA1999WMA220002001WMA7WMA82003WMA9WMA48kHZWMA9VBRABR128kbit/sMP3AACOGG80kbit/s96kbit/sWMAAACOGGMP33AACAdvancedAudioCodingAACMP3AACMP3AACMP3MP3MP316kHZ-48kHZAAC8-96kHZAAC48MP3MPEG-12MPEG-25.14OGGWAVOGGOGGWAVIBMPCWAVWAVCDPCMPulse-CodeModulation2.2.3JPEGPNGBMPGIF27JPEGJointPhotographicExpertsGroupPNGPortableNetworkGraphicsBMPBMP148162432BMPGIFGraphicsInterchangeFormatGIF25682.3[10][11][12]CPUI/OCPUI/OI/OI/OCPURS-232ISAI2CPCIUSB1RS-232RS-232RS-232+5+15V515TTLTTLRS-232TTL+3+123122V3V3020kb/sRS-23237kRS-232HostPC28RS485RS4853210Mb/s(12m)1200m10kb/s2ISAISAIndustryStandardArchitectureISA98628PC8623616ISA16ISA1I/O0100H-03FFH22416MB38/16462+36516(bit)68MHz716MB/s89DMA10CPU3I2CICPHILIPSICI2CInter-IntegratedCircuitI2CICPHILIPSI2CI2CI2C80I2CI2C292510kbps40I2CSDASCLCPUICICICI2C100kbps7I2C400Kbits/s10I2C3.4Mbits/