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Altera_Forum's avatar
Altera_Forum
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14 years ago

flancter and timequest

Dear All, i'm using classical implementation of flancter to realize signalling between multiple clock domains (see down). Now, this design is proven to be hazard free, however timequest of cours...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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is there any 'generic rule' for the timequest analyzer to say that whatever is on the input of this entity is false path to whatever is at the output of this entity?

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In the case of two clock domains, you just tell TimeQuest they are separate via:

set_clock_groups -exclusive -group clk_A -group clk_B

And TimeQuest will set false paths for you.

Cheers,

Dave