14. After this, select the "View Trace" button on the top of the toolbar.

15. This will filter the highlighted path. The end point of this path is a clock enable (CE) pin. Right click on the pin and choose "Set Pin Constraints".

16. Set a multi-cycle path constraint of 2 cycles on the CE pin then select "OK". Once the constraint has been set you can view it using the query mode pop-up information window by placing the mouse over the CE pin.