Step 6: Set HD.ISOLATED_EXEMPT for Multi-Region/Global Clock Nets

Isolation Design Flow + Dynamic Function eXchange Example Application Note (XAPP1361)

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There are a couple of clock nets which are going to multiple isolated modules. Ensure to make them exempt for the IDF rules by applying HD.ISOLATED_EXEMPT on those driver cells. Run the following command from the Tcl console:

source ./sources/iso_exempt.xdc

Save the constraints by saving the design.