Explicitly Grouping Design Elements With HU_SET - 2023.2 English

Vivado Design Suite User Guide: Using Constraints (UG903)

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2023.2 English

HU_SET has an explicit user-defined and hierarchically qualified name for the set. This lets you create hierarchical RPMs in which RLOC constraints can be placed on cells at different levels of the hierarchy.

All cells with the same hierarchically qualified set_name are members of the same set.