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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Can’t route signal to atom

Hi, I have encountered this error during compilation: Error: Can’t route signal "clk~input" to atom "a" Error: Can’t fit design in device I am using Cyclone IV EP4CGX15BF14C8N ...
TKhan7's avatar
TKhan7
Icon for New Contributor rankNew Contributor
7 years ago

If you apply both a FAST_INPUT_REGISTER assignment to an I/O and a D3_DELAY assignment to the associated delay chain, compilation might fail with an error similar to the above.

Do not apply both a D3_DELAY assignment and a FAST_INPUT_REGISTER assignment. You may safely apply either assignment, but not both.