Unions - Unions - 2026.1 English - UG901

Vivado Design Suite User Guide: Synthesis (UG901)

Document ID
UG901
Release Date
2026-07-08
Version
2026.1 English

A union stores a single section of data you can reference in different ways. The format for specifying a union is:

typedef union packed {union_member1; union_member2...union_memberx;} unions_name;