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首頁 DSP應用 影像處理 > Thunder
進階型數位多媒體發展模型(IP Set Top Box Reference Design)

簡介:

        智控科技特別推出了使用DM642 +Host CPU,適合用Linux OS處理高速影音開發上,支援2IDE/ATA33介面, 方便使用者擴充DVD Player 30 Gb 的硬碟。也可以透過網路、USB 1.1RS-232為傳輸介面。在編解碼方面另有ateme Library MPEG-4H264等強力後援,讓開發者更有效和迅速的開發數位電視、網路影像以及各種數位多媒體應用。

特色:

運算能力:

  • Texas Instruments’ TMS320DM642 Digital Media processor @ 600 or 720 MHz
  • Freescale’s MPC5200 PowerPC @ 400 MHz
  • 64 MB SDRAM (PowerPC) + 16 MB SDRAM (DSP)
  • 32 MB Flash
  • 128 kB Boot Flash

作業系統:

  • Linux OS

Audio and video features:

The audio and video interfaces address the whole range of analog and digital media systems.

Video interfaces:

  • Y/c video input (PAL & NTSC)
  • Y/c video output (PAL & NTSC)
  • Digital video ports (on request)

Audio interfaces:

  • 1 stereo audio input
  • 1 stereo audio output
  • McBSP, McASP (on request)

General-use interfaces:

  • IDE/UDMA port for 2 drives (HDD and DVD)
  • 資料串列界面: McASP/McBSP (on request), RS-232, USB 1.1 Host, CAN bus
  • Ethernet 10/100 Mbps
  • 5 keys and 3 LEDs on front panel
  • Infra-red remote control (RC5)
  • General Purpose IO’s and IrDA available on request

Other resources:

  • CPU BDI Debug interface
  • DSP JTAG debug interface (option).

Software Development Kit (SDK):

On DSP

Video Decompression

  • MPEG-4 ASP
  • WM9™ video
  • MPEG-4 AVC/H.264 (ISO 14496 part 10)
  • Nero Digital
  • DivX 3.11 to 5.x, MSMPEG-4, XviD
  • MPEG-2 / MPEG-1

Audio Decompression

  • Preferable on CPU to offload the DSP

Design documentation

Orcad source files, BOM and schematics (option), source code examples, demos and application samples.

On Host CPU

System Layers

  • RTP/RTSP (ISMA)
  • MPEG-2 Transport Stream (TS)
  • ASF (Advanced Streaming Format)
  • DRM (smart card based – option)

Audio Decompression

  • MPEG-4 LC / HE AAC
  • MPEG Audio (MP3 included)
  • AC-3 (option)

Documented APIs

DSP control, User Interface (keys/LEDs/IR remote control), OSD and graphics overlay management, PVR (Record and Playback)

Board System

  • Bootloader, Linux Kernel, Distribution
  • Board Support Package (BSP)

方塊圖:

Business model

3 entry points:

Level 1: Evaluation kit 

  • Thunder box (hardware set and box)
  •  Multimedia application (executable) 
  • Bill of material

Level 2: Development kit

  • Level 1
  • DSP and PowerPC drivers
  • Linux OS
  • Linux development chain

Level 3: Application kit

  • Level 2
  • Complete Multimedia application with GPP source code and DSP executable

Option: DSP source code

  • DSP firmware

 

參考資料:

Thunder data-sheet