Quartus

Design Assistant warning: <Inverter should not be implemented in logic cell>. Found <number> node(s) related to this rule.


CAUSE: In the current design, the Design Assistant found the specified number of nodes where you used a logic cell to implement an inverter that drives the input clock port of a register. However, you should not implement an inverter for a register clock with a logic cell; instead, you should implement the inverter with the register clock's programmable invert. The submessage(s) of this message list the node(s) that the Design Assistant found.
ACTION: Use a register clock's programmable invert to implement an inverter in the design.

See also:

Analyzing Designs with the Design Assistant
Inverter Should Not be Implemented in Logic Cell

- PLDWorld -

 

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