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DDP4422 parallel input sync

Kurt Praxl
Prodigy 20 points

Hi everyone,

While checking the configuration of 3D video input to the DDP4422, we ran into some timing problems, trying now to find some possible solutions here..

The DDP4422 DLP controller allows video input up to 60bit to achieve the required high datarates. This parallel video input is fed from the 30bit output of two Thine THC63LVD1024 LVDS receivers operating in dual to single mode and thus converting 4 channels (at 5 lanes) of LVDS video. Although they in turn receive input from the same source, we expect different propagation delays at their output stages. As the setup margins of the DDP4422 are very close, it will be necessary to either de-skew or synchronize both 30bit channels.

Any ideas to solve this would be very appreciated!

Best regards,

Kurt

  • 0
    TI__Prodigy 50 points

    Hi Kurt,

    My name is Radu. I am an engineer working for DLP business.

    Before we can discuss your questions, may I ask a few questions about yourself.

    What company are you representing?

    Does your company have an NDA (non disclosure agreement) with TI?

    Is this about a future product or current product to use DLP technology?

    If so, we can discuss the matter through a more formal way of communication due to sensitive information that the discussion might include.

    Regards,

    Radu.

  • 0 in reply to Radu Matcovschi
    Prodigy 20 points

    Hi Radu,

    I'm working for Sagemcom and as we have already developed various DLP Projectors, we of course have an NDA. For this future product, we are currently evaluating the possible configurations. I've asked the same question already to our TI representatives, but without luck..

    Thanks for picking up this issue!!

    Regards,

    Kurt

  • 0 in reply to Kurt Praxl
    TI__Prodigy 50 points

    Hi Kurt,

    Our contact from Europe, Christian, informed me that the NDA is in progress. In this case we will resume the discussion when NDA is finalized. Just let me know when this is done and provide me your work email address then we can continue the discussion through a secure channel.

    Regards,

    Radu.