TMC-20016: Invalid Reference Pin
Description
Violations of this rule identify reference pins specified for I/O delay constraints that are not in the direct fan-out of the -clock specified in the same assignment. Being in the direct fan-out 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
Device Family
- Intel® Cyclone® 10 GX
- Intel® Arria® 10
- Intel® Stratix® 10
- Intel® Agilex™