Quartus

Can't place logic fed by CARRY_SUM primitive <name> into a single logic cell


CAUSE: The specified CARRY_SUM primitive contains fan-out to logic that does not fit in a single logic cell. All fan-out logic in CARRY_SUM primitives must fit on a single logic cell.
ACTION: Modify the design by moving the fan-out to the sum output of the CARRY_SUM primitive or simplify the logic fed by the CARRY_SUM primitive.

- PLDWorld -

 

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