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qwitza's avatar
qwitza
Icon for Occasional Contributor rankOccasional Contributor
3 years ago

Calculate skew timing with Cyclone V and ksz9031

hello, i have troubles with the ethernet bandwith and retransmissions (ack). after some diagnostic i think it is an timing issue. the wire length from the fpga -> knz9031 is: mil ...
Nurina's avatar
Nurina
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi,


As far as I know, connecting it to an oscilloscope would be easiest. The calculation could be quite difficult.

Let me get back to you on the calculation method.


Regards,

Nurina



  • qwitza's avatar
    qwitza
    Icon for Occasional Contributor rankOccasional Contributor
    3 years ago

    hi,

    but it have to be possible to calculate the best timing,

    or have i use really an oscilloscope for the timing?

    our oscilloscope is too slow, for that speed