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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,数字电视解码芯片及整机厂方案,邓泽学,(80874197),dengzexue,2007/6/20,1,、,ATi,2,、,conexant,3,、,ST,4,、,Broadcom,5,、,Sigma design,高清解码芯片,MIPS CPU,Multimedia,Port,CA,Peripheral Controller,Demux,Memory,Controller,656 In,(x2),2D/3D,MMU,Flexbus,IR,PCI,AC-97,USB,EIDE,LPC,I2S /,I2C,Smart,Cards,(x3),Serial,Audio,AC-3 /,MPEG-2,I2S,(x2),S/PDIF,(x2),Mixer,Channel,Two,Channel,One,VIP,4 x PID,Filter,Section,Filter,Micro-,controller,Video,Video,Scaler,Video,Scaler,DVI,Quad,DAC,Triple,DAC,Graphics,Scaler,656,Out,Alpha,Blend,1394 /,HSDP,XPort,(x4),DirecTV,DVB,Multi-2,16K/16K,Caches,MAC,Execu,-,tion,CSS,MPEG (x2),Parser,IDCT,MC,Compre,ssion,Quad,Decode,Clocks,Power,Mgmt,PLLs,Arbi,-,tration,Set-up,Engine,Render,Pipe,3DES,DES,ATi,X226,CX24177,“TRINITY”,DDR,EEPROM,Flash,Stereo DAC,CVBS,UHF RCU Detect,IR Blaster,S/PDIF,Pr,Pb,Y,L/R,IR detect,HDMI,CVBS,CX20552,USB 2 Phy.,USB 2,CX20552,USB 2 Phy.,USB 2,Embedded,CA Sub. System,TS / SPI,TS1 IN,Advanced All Digital Dual HD DVR, AVC H.264 & Decode, DOCSIS2.0 and OOB,CX24450,“TAHOE”,.,PCI,Data,OOB,SDRAM,Flash,CX24951,DOCSIS2.0,Cable Modem,.,I/O,Hard Disk,Drive,SATA,CX24182,MPEG-4 AVC,H.264 HPL4,Coprocessor,DDR,I/O,CLKOUT,TSOUT,YUVIN,CX24182,MPEG-4 AVC,H.264 HPL4,Coprocessor,DDR,CX24210,Digital Broadcast,Tuner,CX24210,Digital Broadcast,Tuner,1394 Mac./Phy.,TS OUT,FireWire,Ch. 3 / 4,SDRAM,CX24210,Digital Broadcast,Tuner,QAM 1,QAM 2,TS2 IN,CX24277,“PECOS”,2x 32bit wide DDR2,EEPROM,Flash,CVBS,UHF RCU Detect,IR Blaster,S/PDIF,Pr,Pb,Y,L/R,IR detect,HDMI,CVBS,USB 2,USB 2,Embedded,CA Sub. System/,Comcast CA,TS / SPI,TS1 IN,CX24452,“Sunburst”,DOCSIS 2.0,.,PCI,Data,OOB,SDRAM,Flash,Hard Disk,Drive,SATA#1,CX24210,Digital Broadcast,Tuner,1394 Mac./Phy.,TS OUT,FireWire,Ch. 3 / 4,CX24210,DOCSIS Tuner,CX24210,Digital Broadcast,Tuner,QAM 1,QAM 2,Phase 2: Advanced All Digital Dual HD DVR, Dual AVC H.264 & Dual VC-1 Decode,CX24184,MPEG-4 AVC,H.264 HPL4,VC-1 HPL3,Coprocessor,DDR,I/O,CLKOUT,TSOUT,YUVIN,TS2 IN,TS3 IN,Hard Disk,Drive,SATA#2,STi7109,BCM7038,EM862xL Series,Digital Media Processors with H.264 and WMV9/VC-1,SMP863x Series,Secure Media Processors with H.264 and WMV9/VC-1,标清解码芯片,1,、,ST,2,、,NEC,3,、,conexant,4,、,IBM,5,、,cheertek,Sti5518,芯片特点,1,、,MCU,，,cache,大小，,2K,2,、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,，,64Mbit,5,、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,Closed,caption,teletext, WSS,等,CX24153 IC Architecture,Serial,Smart,Card,GPIO/I,2,C/,PWM/SPI,TS Switch,Memory,Controller,16/32-bit SDR,MPML,Video,Decoder,Audio,Decoder,MPEG/Dolby,IR,ARM 920T,CPU with,16 K I+D,Cache,MMU,I/O,Bus,Demux,SmartDAA,Interface,TV Display,Refresh and,Compositing,NTSC/PAL,SECAM,TV Encoder,CX20493,Flash,EEPROM,SDRAM,PCM,Output,Chl.3/4,Re-mod,GXA,2D,Graphics,QAM,EJTAG,Protect,3,DES,OTP,Boot,ROM,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：,ATi,X225,， 现,STi7100,IPTV: Broadcom,创维：,有线：,QAM5516,，,Sti5518,，,Sti5105,在开发,九洲：,有线：,QAM5516,，,STI5518,（采用一个产品型号,DVC-2018+,，,DVC-2018,）,PVR: IBM0250,卫星、地面：,STI5518,华为：,Lsi,logic SC2005,，,conexant,24153,大显：,SC2005,（双向），,fujitsu,(,单向）,sti7710,（,HD,）,长虹：,Sti5518,QAM5516,
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