SNLS614A September 2018 – December 2018 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 0x00) 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.