SMSC LAN9312 - Manual (Page 292)

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08) 292 SMSC LAN9312
DATASHEET
14.4.2.4 Port x PHY Identification LSB Register (PHY_ID_LSB_x)
This read/write register contains the LSB of the Organizationally Unique Identifier (OUI) for the Port x
PHY. The MSB of the PHY OUI is contained in the
Port x PHY Identification MSB Register
(PHY_ID_MSB_x) .
Index (decimal): 3 Size: 16 bits
BITS DESCRIPTION TYPE DEFAULT
15:10 PHY ID
This field is assigned to the 19th through 24th bits of the PHY OUI,
respectively. (OUI = 00800Fh). R/W 30h
9:4 Model Number
This field contains the 6-bit manufacturer’s model number of the PHY. R/W 0Dh
3:0 Revision Number
This field contain the 4-bit manufacturer’s revision number of the PHY. R/W 1h