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Real-Time Video / Image Processing

DSP Video Processing

SigC641x shown card with video coprocessor card attached and both mounted on PMC-to-PCI adapter

Underside of SigC641x card shown, with 6 TI DSPs and video processing FPGA visible

A wide range of analog and digital video I/O interfaces are included

Analog video connectors include S-Video, composite video, and component video
Backplate showing DVI I/O connectors
  • Overview
  • Block Diagram
  • Specifications
  • Project Status
  • Video Content Delivery PCIe Card
  • Video Transcoding PCI Card
  • Video Array Processor / Accelerator
  • VoIP and Wireless SigC641x Applications
  • Overview

    The SigC641x card combines a Spartan 3 FPGA and DSP array to perform real-time video and image processing. The DSP array scales from one to eight (8) 1 GHz Texas Inst DSPs, with direct access to digital and analog video I/O, including SD and HD SDI, and DVI digital video I/O, several types of analog video I/O, and a camera link interface. Video I/O data may be pre-processed by both the Virtex II FPGA and the Spartan 3 prior to DSP farm processing. Digitized video is transported via 32-bit data path containing pixel data in various RGB, chroma + luma, and other formats.

    DSP array processing is distributed; video I/O data may be transferred to any combination of DSPs in any sequence, under FPGA logic and/or software control. DSP interprocessor communication is implemented via high speed serial interface, routable between any combination or pattern of DSPs under software control. Separate, physically independent data paths are available for transfer of DSP results to/from host software over PCI bus and for transfer of digital video data over PCI bus (see block diagram below).

    Block Diagram

    Below is an architecture diagram of the SigC641x plus analog/digital video card solution. Real-time video and image processing may occur in FPGA logic both before and after DSP farm processing. DSP farm processing scales from zero to eight (8) Texas Instruments C641x devices, running at clock rates from 720 MHz to 1 GHz.

for an enlarged view
    Real-time video / image processing architecture diagram shown above. Click for an enlarged view


    Below are preliminary specifications for the SigC641x and video coprocessor card combination. All specifications are subject to change.

    Dimensions Without Video Coprocessor Card 4.3 x 7.44 x 0.5" (109 x 189 x 12.7 mm)
    Consumes one (1) PCI slot
    Dimensions With Video Coprocessor Card 9.25 x 4.55 x 1.81" (234.95 x 115.54 x 45.87 mm)
    Consumes two (2) PCI slots

    Length measured from surface of back-plate, height measured from surface of motherboard, width lesss than single slot

    Video I/O (Requires Coprocessor Card) SD SDI, up to 720 x 480, interlaced or progressive, 50 or 60 fps

    HD SDI, up to 1920 x 1080 interlaced or progressive, 50 or 60 fps

    DVI, both DVI-I and HD15 connectors. VGA, XGA,UXGA. Up to 1600 x 1200 x 24 bit resolution, 60 fps

    PAL, NTSC, and SECAM, both Composite Video RCA connectors and S-Video connector

    Component Video RCA connectors, formats include 525i, 625i, 525p, 625p, 720p, 1080i, and graphic digitization from VGA to SXGA

    Analog video output includes SMPTE 293M (525p), BTA T-1004, EDTV2 (525p), CCIR-656, and SMPTE 274M. SD and HD standards include YPrPb HDTV (EIA 770.3), RGB, RGBHV, YPrPb proogressive scan (EIA-770.1, EIA-770.2) and component YPrPb (SMPTE/EBU N10), and 4:2:2 or 4:4:4 HDTV

    Digital Video Transfer to SigC641x ITU-R, BT.656, 20-bit (10-bit Luma, 10-bit
    Chroma), or 16-bit UYVY422 formats
    DSP Farm Up to eight (8) Texas Instruments 6414, 6415, or 6416 devices, with clock rates 720 MHz, 850 MHz, or 1 GHz. SDRAM memory per DSP (EMIF-A): none, 2M x 32, 4M x 32, or 8M x 32
    PCI Bus Interface 32-bit, 33 MHz PCI; 3.3V signaling with passive adapter, 5V signaling with active adapter
    Power Consumption 15W (est.) in 2 DSP configuration
    27W (est.) in 8 DSP configuration


    Operating:  0șC to 55șC  (airflow >200 LFM)


    Storage: 40șC to 85șC


    Operating: 10 to 90% non-condensing


    Storage: 5 to 95% non-condensing

    Designed to Meet

    FCC Part 15 Subpart B
    UL60950 3rd edition
    UL60950 3rd edition

    Project Status

    The SigC641x plus analog/digital video card solution is currently in alpha status and not yet in production. Single qty, off-the-shelf systems are not expected to be available until 3Q08. For customers interested in obtaining and working with a alpha system, we may require an NRE charge and/or minimum qty order, depending on what functionality is required by the customer application. If this option is of interest, please call and mention this web page to speak with engineering staff and obtain updated project status and pricing.

    VoIP and Wireless SigC641x Applications

    The SigC641x-PTMC card provides a high-speed signal processing solution for VoIP and wireless applications on a variety of platforms, including cPCI, VME, desktop PC, and stand-alone. It can also be used with a PC104+ adapter. Click here for detailed information on the SigC641x-PTMC board.