VTDR (DDR_PHY) Register Description
| Register Name | VTDR |
|---|---|
| Offset Address | 0x000000023C |
| Absolute Address | 0x00FD08023C (DDR_PHY) |
| Width | 32 |
| Type | roRead-only |
| Reset Value | 0x7F003F00 |
| Description | VREF Training Data Register |
VTDR (DDR_PHY) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| Reserved | 31 | roRead-only | 0x0 | Reserved. Returns zeroes on reads. |
| HVREFMX | 30:24 | roRead-only | 0x7F | Host IO VREF Maximum. |
| Reserved | 23 | roRead-only | 0x0 | Reserved. Returns zeroes on reads. |
| HVREFMN | 22:16 | roRead-only | 0x0 | Host IO VREF Minimum. |
| Reserved | 15:14 | roRead-only | 0x0 | Reserved. Returns zeroes on reads. |
| DVREFMX | 13:8 | roRead-only | 0x3F | DRAM DQ VREF Maximum. |
| Reserved | 7:6 | roRead-only | 0x0 | Reserved. Returns zeroes on reads. |
| DVREFMN | 5:0 | roRead-only | 0x0 | DRAM DQ VREF Minimum. |