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AHB Bus Matrix Arbitration Delay

tjones95134

I observed that every transaction on the AHB Bus Matrix encounters an initial !HREADY - even in the absence of any other master/contention.

I chased it down to the output stage arbiter. I tried both round-robin and fixed arbitration schemes.

Is this to be expected? Is there any way to avoid the initial arbitration delay on uncontested ports?

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  • 0 in reply to Colin Campbell

    Colin,

    Thank you for the always knowledgeable response.

    Does the same hold for nic400? I am observing a point-to-point connection in the absence of any other traffic experiencing delays when no such delays occur when nic400 is not in the path. Is there a hi perf nic400 option?

    Thanks again, Tom

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  • 0 in reply to Colin Campbell

    Colin,

    Thank you for the always knowledgeable response.

    Does the same hold for nic400? I am observing a point-to-point connection in the absence of any other traffic experiencing delays when no such delays occur when nic400 is not in the path. Is there a hi perf nic400 option?

    Thanks again, Tom

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