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MDIO Registers
4MDIO Registers
Table 10 lists the
Table 10. 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 13 and described in Table 11.
Figure 13. MDIO Version Register (VERSION)
31 |
|
| 16 |
|
| MODID |
|
|
|
| |
15 | 8 | 7 | 0 |
| REVMAJ |
| REVMIN |
|
|
LEGEND: R = Read only;
Table 11. MDIO Version Register (VERSION) Field Descriptions
Bit | Field | Value | Description |
MODID |
| Identifies type of peripheral. | |
|
| 7h | MDIO |
REVMAJ |
| Identifies major revision of peripheral. Revisions are indicated by a revision code taking the format | |
|
|
| REVMAJ.REVMIN. |
|
| 1h | Current major revision of peripheral. |
REVMIN |
| Identifies minor revision of peripheral. Revisions are indicated by a revision code taking the format | |
|
|
| REVMAJ.REVMIN. |
|
| 3h | Current minor revision of peripheral. |
SPRU941A
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