Quartus

Can't place logic feeding CARRY_SUM primitive <name> in single logic cell


CAUSE: The specified CARRY_SUM primitive contains fan-in from logic that fails to fit in a single logic cell. All fan-in logic in CARRY_SUM primitives must fit on a single logic cell.
ACTION: Modify the design by simplifying the logic that feeds the CARRY_SUM primitive to contain fewer inputs to the CARRY_SUM primitive.

- PLDWorld -

 

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