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DmitryKo's avatar
DmitryKo
Icon for New Contributor rankNew Contributor
3 years ago

Signal Tap does not see differential signal REFCLK

Hi all, I am working with SOM board with Arria 10 SX on it. Signal Tap does not see differential clock signal from external freq generator. In the same time I see frequencies on external generator ...
Hdl
sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
3 years ago

What are you using for your sampling clock? It would have to be faster than 322 MHz to accurately capture all 3 signals and I don't think Signal Tap supports a sampling clock that fast.