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MDIO Registers

4MDIO Registers

Table 24 lists the memory-mapped registers for the MDIO module. See the device-specific data manual for the memory address of these registers.

Table 24. Management Data Input/Output (MDIO) Registers

Offset

Acronym

Register Description

Section

0h

VERSION

MDIO Version Register

Section 4.1

4h

CONTROL

MDIO Control Register

Section 4.2

8h

ALIVE

PHY Alive Status register

Section 4.3

Ch

LINK

PHY Link Status Register

Section 4.4

10h

LINKINTRAW

MDIO Link Status Change Interrupt (Unmasked) Register

Section 4.5

14h

LINKINTMASKED

MDIO Link Status Change Interrupt (Masked) Register

Section 4.6

20h

USERINTRAW

MDIO User Command Complete Interrupt (Unmasked) Register

Section 4.7

24h

USERINTMASKED

MDIO User Command Complete Interrupt (Masked) Register

Section 4.8

28h

USERINTMASKSET

MDIO User Command Complete Interrupt Mask Set Register

Section 4.9

2Ch

USERINTMASKCLEAR

MDIO User Command Complete Interrupt Mask Clear Register

Section 4.10

80h

USERACCESS0

MDIO User Access Register 0

Section 4.11

84h

USERPHYSEL0

MDIO User PHY Select Register 0

Section 4.12

88h

USERACCESS1

MDIO User Access Register 1

Section 4.13

8Ch

USERPHYSEL1

MDIO User PHY Select Register 1

Section 4.14

4.1MDIO Version Register (VERSION)

The MDIO version register (VERSION) is shown in Figure 27 and described in Table 25.

Figure 27. MDIO Version Register (VERSION)

31

 

 

16

 

 

MODID

 

 

 

R-7h

 

15

8

7

0

 

REVMAJ

 

REVMIN

 

R-1h

 

R-3h

LEGEND: R = Read only; -n= value after reset

Table 25. MDIO Version Register (VERSION) Field Descriptions

Bit

Field

Value

Description

31-16

MODID

0-FFFFh

Identifies type of peripheral.

 

 

7h

MDIO

15-8

REVMAJ

0-FFh

Identifies major revision of peripheral.

 

 

1h

Current major revision of peripheral.

7-0

REVMIN

0-FFh

Identifies minor revision of peripheral.

 

 

3h

Current minor revision of peripheral.

SPRUEQ6–December 2007

Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)

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Texas Instruments TMS320DM646x manual Mdio Version Register Version, Management Data Input/Output Mdio Registers

TMS320DM646x specifications

The Texas Instruments TMS320DM646x series is a powerful family of digital media processors designed to handle high-performance applications in video, imaging, and audio processing. These devices leverage advanced technologies to deliver efficient processing capabilities for a variety of embedded systems, making them ideal for multimedia solutions.

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