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Altera_Forum
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14 years ago

sdc constraint Warning with altera_reserved_tck

Hi, I have a design using Timequest. Suggested by altera website(rd04282008_867), I write this constraint in .sdc file: create_clock -period "100.000 ns" -name {altera_reserved_tck} {alter...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I checked Report Unconstrained Paths, and I found out I made a foolish mistake.

As I changed the design, the node specified in signal tap became invalid. As a result, tck is not used in my design. After I fixed .stp file, the warning is solved.

Thanks for your advice