Management Registers
R
Register 6: SGMII Auto-Negotiation Expansion
MDIO Register 6: SGMII
15 | 3 | 2 | 1 | 0 | |
|
|
|
|
| |
Reg 6 |
|
|
|
|
|
|
|
|
|
|
|
| RESERVED |
| NEXT PAGE ABLE | PAGE RECEIVED | RESERVED |
Table 9-24: SGMII Auto-Negotiation Expansion (Register 6)
Bit(s) | Name | Description | Attributes | Default Value |
|
|
|
|
|
6.15:3 | Reserved | Always return 0s | returns 0s | 0000000000000 |
|
|
|
|
|
6.2 | Next Page | Always returns a ‘1’ for this bit | returns 1 | 1 |
| Able | since the device is Next Page Able |
|
|
|
|
|
|
|
6.1 | Page | 1 = A new page has been received | read only | 0 |
| Received | 0 = A new page has not been | self clearing on |
|
|
|
| ||
|
| received | read |
|
|
|
|
|
|
6.0 | Reserved | Always return 0s | returns 0s | 0000000 |
|
|
|
|
|
Register 7: SGMII Auto-Negotiation Next Page Transmit
MDIO Register 7: SGMII
15 | 14 | 13 | 12 | 11 | 10 | 0 | |
|
|
|
|
|
|
| |
Reg 7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| NEXT PAGE | RESERVED | MESSAGE PAGE | ACKNOWLEDGE | TOGGLE |
| MESSAGE CODE |
|
|
|
| 2 |
|
|
|
Table 9-25: SGMII Auto-Negotiation Next Page Transmit (Register 7)
Bit(s) | Name |
| Description | Attributes | Default Value |
|
|
|
|
|
|
7.15 | Next Page | 1 | = Additional Next Page(s) will follow | read/ | 0 |
|
| 0 | = Last page | write |
|
|
|
|
|
| |
7.14 | Reserved | Always returns ‘0’ | returns 0 | 0 | |
|
|
|
|
|
|
7.13 | Message | 1 | = Message Page | read/ | 1 |
| Page | 0 | = Unformatted Page | write |
|
|
|
| |||
|
|
|
|
|
|
Ethernet | www.xilinx.com | 141 |