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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

If the JTAG connection is affected by electrical interferences, signaltap data is likely to be corrupted. Reloading it with ReadData button can assure that the displayed waveform is stable.