Enable Priority Flow Control - 9.0 English

Tri-Mode Ethernet MAC LogiCORE IP Product Guide (PG051)

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9.0 English

Select this option to include Priority Flow control support in the core. When included, circuitry to generate PFC frames on transmit and interpret PFC frame on receive is included as well as enhanced XON/XOFF support for IEEE 802.3 pause requests. It is disabled as a default.