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Altera_Forum
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16 years ago

SignalTap problems with large signal-count

Hi, I am using SignalTap (9.1) to debug my design. When I have about 100 signals, everything works as expected. However, when I use much more signals, let's say 200, the behavior get's incorre...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Good point. I already checked the "normal" timing of the data that is recorded, but after checking carefully, I realized that there are HOLD-time-violations on altera_reserved_tck. Maybe, this should be a global signal (all of them are already in use). I will check if I can free one global signal for debugging and see if this helps...

Thanks,

Thomas