| Field Name | Bits | Type | Reset Value | Description |
|---|
| Reserved | 31:25 | woWrite-only | 0 | Reserved. Return zeroes on reads. |
| RRRMODE | 24 | woWrite-only | 0 | Read Path Rise-to-Rise Mode |
| Reserved | 23:22 | woWrite-only | 0 | Reserved. Return zeroes on reads. |
| WRRMODE | 21 | woWrite-only | 0 | Write Path Rise-to-Rise Mode |
| DQSGX | 20:19 | woWrite-only | 0 | DQS Gate Extension |
| LPPLLPD | 18 | woWrite-only | 0 | Low Power PLL Power Down |
| LPIOPD | 17 | woWrite-only | 0 | Low Power I/O Power Down |
| Reserved | 16:15 | woWrite-only | 0 | Reserved. Return zeroes on reads. |
| QSCNTEN | 14 | woWrite-only | 0 | QS Counter Enable |
| UDQIOM | 13 | woWrite-only | 0 | Unused DQ I/O Mode |
| Reserved | 12:10 | woWrite-only | 0 | Reserved. Return zeroes on reads. |
| DXSR | 9:8 | woWrite-only | 0 | Data Slew Rate |
| DQSNRES | 7:4 | woWrite-only | 0 | DQS# Resistor |
| DQSRES | 3:0 | woWrite-only | 0 | DQS Resistor |