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SC2005 Product Overview DTV Source Applications Broadband Entertainment Division July 2001.

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Presentation on theme: "SC2005 Product Overview DTV Source Applications Broadband Entertainment Division July 2001."— Presentation transcript:

1 SC2005 Product Overview DTV Source Applications Broadband Entertainment Division July 2001

2 SC2005 Overview - July 2001 3-2 LSI Logic Confidential ™ SC2005 - An Evolutionary Approach SC200564X05 MPEG-2 A/V Decoder Proven LSI STB Technology SECAM PAL/NTSC 2D Graphics SC2005 Developed Technology 641X8 CPU/ MPEG-2 Transport Demux

3 SC2005 Overview - July 2001 3-3 LSI Logic Confidential ™ Previous LSI Solution for STB

4 SC2005 Overview - July 2001 3-4 LSI Logic Confidential ™ SC2005 Solution SC2005 Single Chip Source Decoder

5 SC2005 Overview - July 2001 3-5 LSI Logic Confidential ™ SC2005 Features  EZ4102 TinyRISC MIPS CPU  DVB MPEG-2 Transport  A/V Decoder  2D On-Screen Graphics  Video Mixer and Encoder  Audio DAC  Peripherals UART, SmartCard, 1284, IR, I2C, Teletext, DMA, GPIO

6 SC2005 Overview - July 2001 3-6 LSI Logic Confidential ™ Architectural Advantages  SC2005 Addresses Performance Needs by Large on-chip cache memories 8K Direct Map data cache 16K 2-way associative instruction cache Efficient memory bus system (S-Bus) Separate CPU/OSG and MPEG Video SDRAM bus Flexible E-Bus architecture interfaces to 8, 16 and 32 bit devices glueless connection to asynchronous and synchronous FLASH Efficient interrupt structure

7 SC2005 Overview - July 2001 3-7 LSI Logic Confidential ™ SC2005 Clocks  27 MHz VCXO input  Internal PLL generates – 27, 54, 81 and 108 MHz 27 MHz AV Decoder and Peripherals 54 MHz B-Bus, E-Bus, Timers, Video subsystems and Transport 81 MHz AV decoder memory – SDRAM-A 108 MHz CPU core CPU/transport/OSG memory – SDRAM-B

8 SC2005 Overview - July 2001 3-8 LSI Logic Confidential ™ SC2005 Block Diagram Channel EJTAG Port E-Bus CPU/OSG/XPT/Periph SDRAM I/F TinyRISC CPU Transport Demultiplexer and DVB Descrambler 2 GP Peripheral DMA Audio/Video Decoder (L64105 core) Video Mixer and Encoder On-Screen Graphics A/V SDRAM I/F Modem I/F Infrared Smart Card 1 IEEE 1284 Smart Card 0 UART 1 Tele Text I2CI2CGPIOUART 0 27 MHz Clock IEE1284Smart CardsRS232CTelephoneI/R RXI/R TXI2CI2CFront Panel S-Bus I-Bus

9 SC2005 Overview - July 2001 3-9 LSI Logic Confidential ™ A/V Decoder Mixer and Encoder OSG TinyRISC CPU Transport 2 GP Peripheral DMA CPU Data Read/Write SI Data OSG Display Program Cache Refill External Peripherals Modem I/F Infrared Smart Card 1 IEEE 1284 Smart Card 0 UART 1 Tele Text I2CI2CGPIOUART 0 Still Picture DMA Block Move A/V Decode SDRAM-A SDRAM-B On-Chip Peripherals Transport Stream SC2005 Data Flow

10 SC2005 Overview - July 2001 3-10 LSI Logic Confidential ™ SC2005 MPEG-2 Data Flow Transport MPEG-2 transport SDRAM-B SI data AV PES Video plane OSG planes 4:2:2 Video Decode & Frame stores DENC & VDACs MixerOSG AV DecoderSDRAM-A

11 SC2005 Overview - July 2001 3-11 LSI Logic Confidential ™ Applications for SC2005  Digital Set-top Box  PVR – Personal Video Recorder  Internet Appliance / Network applications  Play from Memory mode AV Decoder gets its input from SDRAM-B, not Transport Use AV DMA transfers to move data from SDRAM-B into AV decoder memory in SDRAM-A

12 SC2005 Overview - July 2001 3-12 LSI Logic Confidential ™ PVR basics

13 SC2005 Overview - July 2001 3-13 LSI Logic Confidential ™ PVR basics

14 SC2005 Overview - July 2001 3-14 LSI Logic Confidential ™ PVR basics

15 SC2005 Overview - July 2001 3-15 LSI Logic Confidential ™ PVR basics This mode is NOT supported by SC2005

16 SC2005 Overview - July 2001 3-16 LSI Logic Confidential ™ PVR basics

17 SC2005 Overview - July 2001 3-17 LSI Logic Confidential ™ Data flow for ATA transfers

18 SC2005 Overview - July 2001 3-18 LSI Logic Confidential ™ Summary of HDD features

19 SC2005 Overview - July 2001 3-19 LSI Logic Confidential ™ Play from Memory Transport (not used) PES and User data AV PES via AV DMA Video plane OSG planes 4:2:2 Video Decode & Frame stores DENC & VDACs MixerOSG AV DecoderSDRAM-A SDRAM-BE-Bus


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