For each port, you can expand the path schematics to the first level of sequential cells, and then trace the clock pins of those cells back to the clock source(s). This approach can be impractical for ports that are connected to high fanout nets.
For each port, you can expand the path schematics to the first level of sequential cells, and then trace the clock pins of those cells back to the clock source(s). This approach can be impractical for ports that are connected to high fanout nets.