Auto-Negotiation - 16.2 English

1G/2.5G Ethernet PCS/PMA or SGMII LogiCORE IP Product Guide (PG047)

Document ID
Release Date
16.2 English

This section provides general guidelines for using the auto-negotiation function of the core. Auto-Negotiation is controlled and monitored through the PCS management registers. For more information, see Register Space. For 2.5G mode Auto-Negotiation function is the same as the 1G mode. 250 Mbps and 25 Mbps modes are not supported for 2.5G SGMII.