Using Blocking and Non-Blocking Procedural Assignments - Using Blocking and Non-Blocking Procedural Assignments - 2026.1 English - UG901

Vivado Design Suite User Guide: Synthesis (UG901)

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

Blocking and non-blocking procedural assignments have time control built into their respective assignment statements.

  • The pound sign (#) and the at sign (@) are time control statements.
  • These statements delay execution of the next statement until the specified event becomes true.
  • The pound (#) delay is ignored for synthesis.