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Honored Contributor

14 years ago

how to determine the parameter of set_max_fanout?

Hi: I have known the function of set_max_fanout,but I don't understand how to confirm the parameter which following set_max_fanout.please help me! ...

Altera_Forum

Honored Contributor

14 years ago

That's the max fanout value. So if a register has a fanout of 35, and you do that assignment, you'll end up with 5 copies, 4 that have a fanout of 8 and 1 that has a fanout of 3. The following might help:

http://www.alterawiki.com/wiki/register_duplication_for_timing_closure

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how to determine the parameter of set_max_fanout?

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