LAN9353 Datasheet, PDF (127/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
9.2.20.3 PHY x Identification MSB Register (PHY_ID_MSB_x)
Index (decimal): 2
Size:
16 bits
This read/write register contains the MSB of the Organizationally Unique Identifier (OUI) for the PHY. The LSB of the
PHY OUI is contained in the PHY x Identification LSB Register (PHY_ID_LSB_x).
Bits
Description
15:0 PHY ID
This field is assigned to the 3rd through 18th bits of the OUI, respectively
(OUI = 00800Fh).
Type
R/W
Default
0007h
 2015 Microchip Technology Inc.
DS00001925A-page 127