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Altera_Forum's avatar
Altera_Forum
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12 years ago

SignalTap corruption

I'm having a problem with SignalTap II - the waveform is corrupted - signals that are known to be static toggle, states within a state machine appear to be simultaneously active, and the trigger cond...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Thanks for your suggestion. I tried compiling it both ways - with and without the constraints listed on p. 22 for JTAG - but still see the problem occur. There are a few static signals that still toggle. Is there a way to test the integrity of the JTAG/USB link? I never seem to have a problem in the download direction with the programming file...

Any other suggestions? Thanks again.