Ethernet Phy Management Register 2 - Phy Identifier 1 (Mr2) Register; Ethernet Phy Management Register 3 - Phy Identifier 2 (Mr3) Register; Ethernet Phy Management Register 2 - Phy Identifier 1 (Mr2) Register Field Descriptions; Ethernet Phy Management Register 3 - Phy Identifier 2 (Mr3) Register Field Descriptions - Texas Instruments Concerto F28M36 Series Technical Reference Manual

MII Management Register Descriptions
19.7.3 Ethernet PHY Management Register 2 – PHY Identifier 1 (MR2) Register , address 0x02
The Ethernet PHY Management Register 2 – PHY Identifier 1 (MR2) register, along with MR3, provides a
32-bit value indicating the manufacturer, model, and revision information.
Figure 19-23. Ethernet PHY Management Register 2 – PHY Identifier 1 (MR2) Register
15
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 19-22. Ethernet PHY Management Register 2 – PHY Identifier 1 (MR2) Register Field
Bit Field
15-0 OUI[21:6]
19.7.4 Ethernet PHY Management Register 3 – PHY Identifier 2 (MR3) Register, address 0x03
The Ethernet PHY Management Register 3 – PHY Identifier 2 (MR3) register, along with MR2, provides a
32-bit value indicating the manufacturer, model, and revision information.
Figure 19-24. Ethernet PHY Management Register 3 – PHY Identifier 2 (MR3) Register
15
OUI[5:0]
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 19-23. Ethernet PHY Management Register 3 – PHY Identifier 2 (MR3) Register Field
Bit Field
15-10 OUI[5:0]
9-4 MN
3-0 RN
1442
M3 Ethernet Media Access Controller (EMAC)
Value Description
Organizationally Unique Identifier[21:6]
161h This field, along with the OUI[5:0] field in MR3, makes up the Organizationally Unique Identifier
indicating the PHY manufacturer.
10
Value Description
Organizationally Unique Identifier[5:0]
2Dh This field, along with the OUI[21:6] field in MR2, makes up the Organizationally Unique Identifier
indicating the PHY manufacturer.
01h Model Number
The MN field represents the Model Number of the PHY.
0h Revision Number
The RN field represents the Revision Number of the PHY implementation.
Copyright © 2012–2019, Texas Instruments Incorporated
OUI[21:6]
R-0
Descriptions
9
MN
R-0
Descriptions
SPRUHE8E – October 2012 – Revised November 2019
www.ti.com
0
4 3 0
RN
R-0
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