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Altera_Forum's avatar
Altera_Forum
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9 years ago

Is this metastability or is this Signaltap behaviour normal?

Hi there I am experiencing strange behaviour from SignalTap. Occasionally, when I read data, the data return seems garbled and impossible. The values are strange for the registers from which th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Because the values are like this for many cycles, I highly doubt it is anything to do with signaltap, and more what your design is actually doing. Why it works I have no idea as we dont have access to the design.

I do note though - this is a very large signal tap capture - why so many signals? are you trying to verify the design using signaltap? do you have a full set of testbenches for the design?