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Altera_Forum
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15 years ago

Worst slack values are Negative for Removal

HI , I am trying to run the NIOSII example of led from the nios2 hardware manual.I could generate the nios 2 system.And also integrate it with the Quartus.But when I compile the system in quart...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hey thnks mcr42..

But can you explain what in specific is worst case slack for recovery and removal.The one which I am getting as negative in this design are

Worst case slack for: altera reserved tck : removal

Design wide TNS :altera reserved tck :removal

What are the removal and the recovery timings for ?I am aware with the setup and the hold timings.

Thanks!!!