TMC-20016: Invalid Reference Pin
Description
This violation occurs if the -clock option for a set_input_delay or set_output_delay constraint matches the clock in the direct fan-in of the reference_pin. Being in the direct fan-in of the reference_pin means that there must be no keepers between the clock and the reference_pin.
Recommendation
Modify the -reference_pin option of the delay assignment to be the direct fan-out of the clock that you specify in the same assignment.
Severity
High
Stage
Finalize
Device Family
- Intel® Stratix® 10
- Intel® Agilex™
- Intel® Cyclone® 10 GX
- Intel® Arria® 10