IOVCR0 (DDR_PHY) Register Description
| Register Name | IOVCR0 |
|---|---|
| Offset Address | 0x0000000520 |
| Absolute Address | 0x00FD080520 (DDR_PHY) |
| Width | 32 |
| Type | mixedMixed types. See bit-field details. |
| Reset Value | 0x03000000 |
| Description | IO VREF Control Register 0 |
IOVCR0 (DDR_PHY) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| Reserved | 31:29 | roRead-only | 0x0 | Reserved. Return zeros on reads. |
| ACREFPEN | 28 | rwNormal read/write | 0x0 | Address/command lane VREF Pad Enable: Enables the pass gate between (to connect) VREF and PAD. |
| ACREFSEN | 25 | rwNormal read/write | 0x1 | Address/command lane Single-End VREF Enable: Enables the generation of VREF value for internal address/command lane single-end IO buffers. |
| ACREFIEN | 24 | rwNormal read/write | 0x1 | Address/command lane Internal VREF Enable: Enables the generation of VREF value for internal address/command lane differential IO buffers. |
| ACREFSSELRANGE | 15 | rwNormal read/write | 0x0 | Single ended VREF generator REFSEL range select. |
| ACREFSSEL | 14:8 | rwNormal read/write | 0x0 | Address/command lane Single-End VREF Select: Selects the generated VREF value for internal address/command lane single- end I/O buffers. |
| ACVREFISELRANGE | 7 | rwNormal read/write | 0x0 | Internal VREF generator REFSEL range select |
| ACVREFISEL | 6:0 | rwNormal read/write | 0x0 | REFSEL Control for internal AC IOs: Selects the generated VREF value for internal AC IOs. |