Management Registers
R
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4.6 |
| Half | Always returns a ‘0’ for this bit since Half | returns 0 | 0 |
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| Duplex | Duplex Mode is not supported |
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4.5 |
| Full | 1 = Full Duplex Mode is advertised | read/write | 1 |
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| Duplex | 0 = Full Duplex Mode is not advertised |
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4.4:0 |
| Reserved | Always return 0s , writes ignored | returns 0s | 00000 |
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Register 5: Auto-Negotiation Link Partner Base
MDIO Register 5: Auto-Negotiation Link Partner Base
15 | 14 | 13 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 4 | 0 | |
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Reg 5 |
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| NEXT PAGE | ACKNOWLEDGE |
| REMOTE FAULT | RESERVED |
| PAUSE |
| HALF DUPLEX | FULL DUPLEX |
| RESERVED |
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5.15 |
| Next Page | 1 = Next Page functionality is supported | read only |
| 0 | |
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| 0 = Next Page functionality is not supported |
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5.14 |
| Acknowle | Used by | read only |
| 0 | |
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| dge | reception of a link partner’s base or next page |
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5.13:12 |
| Remote | 00 | = No Error | read only |
| 00 |
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| Fault | 01 | = Offline |
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| 10 | = Link Failure |
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| 11 = |
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5.11:9 |
| Reserved | Always return 0s | returns 0s |
| 000 | |
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5.8:7 |
| Pause | 00 | = No PAUSE | read only |
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| 01 | = Symmetric PAUSE |
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| 10 | = Asymmetric PAUSE towards link partner |
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| 11 = Both Symmetric PAUSE and Asymmetric |
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| PAUSE supported |
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Ethernet | www.xilinx.com | 125 |