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Honored Contributor

13 years ago

Newbie question about long control signal

hey, in my design i have a very long control signal, when i try complie the code i got error message like "Cannot split carry or cascade chain crossing xxx logic cells and starting on logic cell xxx ...

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Honored Contributor

13 years ago

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Show us what kind of code is producing that error..

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what i want to do here is add to very large number together, now i set generic to 440 which is ok, but i wish to have like 4000, so i think i need break the carry chain manually and connect it up, how to do that?