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Altera_Forum's avatar
Altera_Forum
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8 years ago

Constrained clock appears as unconstrained input

Hello, I've spent a considerable amount of time several months ago to look into timing constraint issues, but had never understood how it works ... all this staff, despite several manuals I loo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Output generated clock paths need to be set as false paths. The tool looks at output paths as data paths still, even though you've created a clock for it. Just false path the output clock.