SNLS614B September 2018 – December 2022 DP83869HM
PRODUCTION DATA
If Auto-Negotiation is disabled by MDIO access, and the user desires to restart Auto-Negotiation, this could be accomplished by software access. Bit 12 of BMCR (register address 0h) should be cleared and then set for Auto-Negotiation operation to take place.
If Auto-Negotiation is disabled by strap option, Auto-Negotiation cannot be re-enabled.