Datasheet
Register 19: Ethernet PHY Management Register 3 – PHY Identifier 2 (MR3),
address 0x03
This register, along with MR2, provides a 32-bit value indicating the manufacturer, model, and
revision information.
Ethernet PHY Management Register 3 – PHY Identifier 2 (MR3)
Base 0x4004.8000
Address 0x03
Type RO, reset 0x7237
0123456789101112131415
RNMNOUI[5:0]
ROROROROROROROROROROROROROROROROType
1110110001001110Reset
DescriptionResetTypeNameBit/Field
Organizationally Unique Identifier[5:0]
This field, along with the OUI[21:6] field in MR2, makes up the
Organizationally Unique Identifier indicating the PHY manufacturer.
0x1CROOUI[5:0]15:10
Model Number
The MN field represents the Model Number of the PHY.
0x23ROMN9:4
Revision Number
The RN field represents the Revision Number of the PHY implementation.
0x7RORN3:0
June 18, 2012634
Texas Instruments-Production Data
Ethernet Controller
NRND: Not recommended for new designs.