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How to implement a DVI interface?

Discussion in 'Electronic Design' started by [email protected], Nov 22, 2006.

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  1. Guest

    Hello, I have a project that I will be starting soon and it involves
    performing image processing of video data. The video data will be
    coming from a DVI port on a graphics card. My design will be using
    fpga's to do the image processing. My question is: how do I handle or
    implement the Extended display identification data when using DVI? I
    know that I can get DVI receivers but I'm not familiar how to handle
    the EDID? Basically the graphics card will think its connecting to a
    monitor so it will expeect the EDID from my box. How do I generate the
    EDID?

    Thanks,
    joe
     
  2. Kingcosmos

    Kingcosmos Guest

    Hello Joe,

    I am not a video guy but couldn't you use EPROM and store the EDID
    format for your card to read as if it was connected to a flat panel
    display? I think that is how it is done 'normally.' I2C communication
    from an EPROM in the monitor which is communicated to the graphics
    card.

    http://www.vesa.org/Public/EEDIDguideV1.pdf
     
  3. Guest

    Great, thank you so much for the link. joe
     
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