40.8.4 GMAC User Register
| Name: | GMAC_UR |
| Offset: | 0x00C |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| HDFLCTLEN | RMII | ||||||||
| Access | R/W | R/W | |||||||
| Reset | 0 | 0 |
Bit 6 – HDFLCTLEN Half Duplex Flow Control Enable
| Value | Description |
|---|---|
| 0 | Half duplex flow control is disabled. |
| 1 | Half duplex flow control is enabled. |
Bit 0 – RMII Reduced MII Mode
| Value | Description |
|---|---|
| 0 | MII mode is selected (default). |
| 1 | RMII mode is selected. |
Bit 0 – RMII Reduced MII Mode
| Value | Description |
|---|---|
| 0 |
MII mode is selected when GMAC_NCR.MIIONRGMII=1. |
| 1 |
RMII mode is selected. |