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Synchronizing FPGAs

Discussion in 'Misc Electronics' started by Leroy Tanner, Sep 22, 2004.

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  1. Leroy Tanner

    Leroy Tanner Guest

    Hello newsreaders,

    For a while I have been confronted with the following task which I find
    quite challenging but unfortuantely didn't manage to solve it, yet.
    What I want to do is to use 2-4 FPGAs (Xilinx Virtex 2 Pro) together on one
    printed circuit board (PCB). They are used to process a large amount of
    incoming serial data (data rates of several GHz's). My idea is to handle
    that data parallel by the 2-4 FPGAs. But now there arises the problem how to
    adequately split the data and how to synchronize the FPGAs among one
    another, in particular?
    Is it possible or first of all a realistic idea to synchronize multiple
    FPGAs in the GHz range? How can this be done without much protocoll
    overhead? I would like to do it without applying an extra transfer protocoll
    among the FPGAs just for that purpose! Up to this date I didn't find a
    proper solution, yet.
    Maybe someone can give me a hint? Any ideas how to solve that problem?

    Regards, Leroy Tanner
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