数字电视解码芯片及整机厂方案ppt课件

,数字电视解码芯片及整机厂方案,邓泽学(80874197)dengzexue2007/6/20,1,1、ATi2、conexant3、ST4、Broadcom5、Sigmadesign,高清解码芯片,2,MIPSCPU,MultimediaPort,CA,PeripheralController,Demux,MemoryController,656In(x2),2D/3D,MMU,Flexbus,IR,PCI,AC-97,USB,EIDE,LPC,I2S/I2C,SmartCards(x3),Serial,Audio,AC-3/MPEG-2,I2S(x2),S/PDIF(x2),Mixer,ChannelTwo,ChannelOne,VIP,4xPIDFilter,SectionFilter,Micro-controller,Video,VideoScaler,VideoScaler,DVI,QuadDAC,TripleDAC,GraphicsScaler,656Out,AlphaBlend,1394/HSDP,XPort(x4),DirecTV,DVB,Multi-2,16K/16KCaches,MAC,Execu-tion,CSS,MPEG(x2),Parser,IDCT,MC,Compression,QuadDecode,Clocks,PowerMgmt,PLLs,Arbi-tration,Set-upEngine,RenderPipe,3DES,DES,ATiX226,3,CX24177“TRINITY”,DDR,EEPROM,Flash,StereoDAC,CVBS,UHFRCUDetect,IRBlaster,S/PDIF,Pr,Pb,Y,L/R,IRdetect,HDMI,CVBS,CX20552USB2Phy.,USB2,CX20552USB2Phy.,USB2,EmbeddedCASub.System,TS/SPI,TS1IN,AdvancedAllDigitalDualHDDVR,AVCH.264&Decode,DOCSIS2.0andOOB,CX24450“TAHOE”.,PCIDataOOB,SDRAM,Flash,CX24951DOCSIS2.0CableModem.,I/O,HardDiskDrive,SATA,CX24182MPEG-4AVCH.264HPL4Coprocessor,DDR,I/O,CLKOUT,TSOUT,YUVIN,CX24182MPEG-4AVCH.264HPL4Coprocessor,DDR,CX24210DigitalBroadcastTuner,CX24210DigitalBroadcastTuner,1394Mac./Phy.,TSOUT,FireWire,Ch.3/4,SDRAM,CX24210DigitalBroadcastTuner,QAM1,QAM2,TS2IN,4,CX24277“PECOS”,2x32bitwideDDR2,EEPROM,Flash,CVBS,UHFRCUDetect,IRBlaster,S/PDIF,Pr,Pb,Y,L/R,IRdetect,HDMI,CVBS,USB2,USB2,EmbeddedCASub.System/ComcastCA,TS/SPI,TS1IN,CX24452“Sunburst”DOCSIS2.0.,PCIDataOOB,SDRAM,Flash,HardDiskDrive,SATA#1,CX24210DigitalBroadcastTuner,1394Mac./Phy.,TSOUT,FireWire,Ch.3/4,CX24210DOCSISTuner,CX24210DigitalBroadcastTuner,QAM1,QAM2,Phase2:AdvancedAllDigitalDualHDDVR,DualAVCH.264&DualVC-1Decode,CX24184MPEG-4AVCH.264HPL4VC-1HPL3Coprocessor,DDR,I/O,CLKOUT,TSOUT,YUVIN,TS2IN,TS3IN,HardDiskDrive,SATA#2,5,STi7109,6,BCM7038,7,EM862xLSeriesDigitalMediaProcessorswithH.264andWMV9/VC-1,8,SMP863xSeriesSecureMediaProcessorswithH.264andWMV9/VC-1,9,标清解码芯片,1、ST2、NEC3、conexant4、IBM5、cheertek,10,Sti5518,11,芯片特点,1、MCU，cache大小，2K2、内置编码器，支持PAL、NTSC、SECAM，6个DAC，输出电平可编程。3、OSD层：5层，8bit；4、内层接口：SDRAM，64Mbit5、音频解码：支持DVB、AC3，6通道音量控制；光纤输出，6、支持anti-trick，混色和透明度设置7、支持Closedcaption,teletext,WSS等,12,13,14,15,CX24153ICArchitecture,Serial,SmartCard,GPIO/I2C/PWM/SPI,TSSwitch,MemoryController16/32-bitSDR,MPMLVideoDecoder,AudioDecoderMPEG/Dolby,IR,ARM920TCPUwith16KI+DCacheMMU,I/OBus,Demux,SmartDAAInterface,TVDisplayRefreshandCompositing,NTSC/PALSECAMTVEncoder,CX20493,Flash,EEPROM,SDRAM,PCMOutput,Chl.3/4Re-mod,GXA2DGraphics,QAM,EJTAGProtect,3DES,OTP,BootROM,16,17,18,整机厂方案,同洲：主要是ST，有线以QAM5516地面采用低成本方案：如M9700、CT216等高清：ATiX225，现STi7100IPTV:Broadcom,19,创维：有线：QAM5516，Sti5518，Sti5105在开发九洲：有线：QAM5516，STI5518（采用一个产