Dropping Buffer Port Mode - 2023.1 English

Vivado Design Suite User Guide: Synthesis (UG901)

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2023.1 English

In the previous coding example, signal C was modeled with a buffer mode, and is used both internally and as an output port. Every level of hierarchy that can be connected to C must also be declared as a buffer.

To drop buffer mode:

  1. Insert a dummy signal.
  2. Declare port C as an output.