Using Blocking and Non-Blocking Procedural Assignments - 2024.1 English

Vivado Design Suite User Guide: Synthesis (UG901)

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2024.1 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 statement following them until the specified event is evaluated as true.
  • The pound (#) delay is ignored for synthesis.