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Altera_Forum
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18 years ago

How to define clock generated by the other clock?

Supposed we have CLKA = 100MHz. Then we generate CLKB = 200MHz based on CLKA, pls see the following picture: http://blogimg.chinaunix.net/blog/upfile2/080109103218.jpg In TimeQuest, how to...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

I think Altera talks about this in the following doc:

http://www.altera.com/literature/hb/qts/qts_qii53019.pdf

on page 7-19. By default the two clocks will be considered related in TimeQuest. If the circuit is designed such that they are assumed unrelated, then a false path can be assigned between them.