MR22 (DDR_PHY) Register Description
| Register Name | MR22 |
|---|
| Offset Address | 0x00000001D8 |
|---|
| Absolute Address |
0x00FD0801D8 (DDR_PHY)
|
|---|
| Width | 32 |
|---|
| Type | mixedMixed types. See bit-field details. |
|---|
| Reset Value | 0x00000000 |
|---|
| Description | LPDDR4 Mode Register 22 |
|---|
MR22 (DDR_PHY) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|
| Reserved | 31:8 | roRead-only | 0x0 | Reserved. Return zeroes on reads. |
| RSVD | 7:6 | rwNormal read/write | 0x0 | These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0. |
| ODTD_CA | 5 | rwNormal read/write | 0x0 | CA ODT termination disable. |
| ODTE_CS | 4 | rwNormal read/write | 0x0 | ODT CS override. |
| ODTE_CK | 3 | rwNormal read/write | 0x0 | ODT CK override. |
| CODT | 2:0 | rwNormal read/write | 0x0 | Controller ODT value for VOH calibration. |
Alternate Register MR22_DDR3, reset=0x0
Alternate Register Field: RSVD Offset=0 Width=16 read-write
[[*]] Description: These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0.
Alternate Register Field: RESERVED_31_16 Offset=16 Width=16 read-only
[[*]] Description: Reserved. Return zeroes on reads.
Alternate Register Field: RSVD Offset=0 Width=16 read-write
[[*]] Description: These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0.
Alternate Register Field: RESERVED_31_16 Offset=16 Width=16 read-only
[[*]] Description: Reserved. Return zeroes on reads.
Alternate Register Field: RSVD Offset=0 Width=16 read-write
[[*]] Description: These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0.
Alternate Register Field: RESERVED_31_16 Offset=16 Width=16 read-only
[[*]] Description: Reserved. Return zeroes on reads.
Alternate Register Field: RSVD Offset=0 Width=16 read-write
[[*]] Description: These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0.
Alternate Register Field: RESERVED_31_16 Offset=16 Width=16 read-only
[[*]] Description: Reserved. Return zeroes on reads.