Datasheet

MDIO Registers

www.ti.com

31.4 MDIO Registers

Table 31-24 lists the memory-mapped registers for the MDIO module. The base address for these

registers is FCF7 8900h.

Table 31-24. Management Data Input/Output (MDIO) Registers

Offset Acronym Register Description Section

0h REVID MDIO Revision ID Register Section 31.4.1

4h CONTROL MDIO Control Register Section 31.4.2

8h ALIVE PHY Alive Status register Section 31.4.3

Ch LINK PHY Link Status Register Section 31.4.4

10h LINKINTRAW MDIO Link Status Change Interrupt (Unmasked) Register Section 31.4.5

14h LINKINTMASKED MDIO Link Status Change Interrupt (Masked) Register Section 31.4.6

20h USERINTRAW MDIO User Command Complete Interrupt (Unmasked) Register Section 31.4.7

24h USERINTMASKED MDIO User Command Complete Interrupt (Masked) Register Section 31.4.8

28h USERINTMASKSET MDIO User Command Complete Interrupt Mask Set Register Section 31.4.9

2Ch USERINTMASKCLEAR MDIO User Command Complete Interrupt Mask Clear Register Section 31.4.10

80h USERACCESS0 MDIO User Access Register 0 Section 31.4.11

84h USERPHYSEL0 MDIO User PHY Select Register 0 Section 31.4.12

88h USERACCESS1 MDIO User Access Register 1 Section 31.4.13

8Ch USERPHYSEL1 MDIO User PHY Select Register 1 Section 31.4.14

31.4.1 MDIO Revision ID Register (REVID)

The MDIO revision ID register (REVID) is shown in Figure 31-25 and described in Table 31-25.

Figure 31-25. MDIO Revision ID Register (REVID) (offset = 00h)

31 0

REV

R-0007 0104h

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

Table 31-25. MDIO Revision ID Register (REVID) Field Descriptions

Bit Field Value Description

31-0 REV Identifies the MDIO Module revision.

0007 0104h Current revision of the MDIO Module.

1584

EMAC/MDIO Module SPNU562–May 2014

Submit Documentation Feedback