MR13 (DDR_PHY) Register Description
| Register Name | MR13 |
|---|
| Offset Address | 0x00000001B4 |
|---|
| Absolute Address |
0x00FD0801B4 (DDR_PHY)
|
|---|
| Width | 32 |
|---|
| Type | mixedMixed types. See bit-field details. |
|---|
| Reset Value | 0x00000000 |
|---|
| Description | LPDDR4 Mode Register 13 |
|---|
MR13 (DDR_PHY) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|
| Reserved | 31:8 | roRead-only | 0x0 | Reserved. Return zeroes on reads. |
| FSPOP | 7 | rwNormal read/write | 0x0 | Frequency Set Point Operation Mode |
| FSPWR | 6 | rwNormal read/write | 0x0 | Frequency Set Point Write Enable |
| DMD | 5 | rwNormal read/write | 0x0 | Data Mask Enable |
| RRO | 4 | rwNormal read/write | 0x0 | Refresh Rate Option |
| VRCG | 3 | rwNormal read/write | 0x0 | VREF Current Generator |
| VRO | 2 | rwNormal read/write | 0x0 | VREF Output |
| RPT | 1 | rwNormal read/write | 0x0 | Read Preamble Training Mode |
| CBT | 0 | rwNormal read/write | 0x0 | Command Bus Training |
Alternate Register MR13_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: CBT Offset=0 Width=1 read-write
[[*]] Description: Command Bus Training
Alternate Register Field: RPT Offset=1 Width=1 read-write
[[*]] Description: Read Preamble Training Mode
Alternate Register Field: VRO Offset=2 Width=1 read-write
[[*]] Description: VREF Output
Alternate Register Field: VRCG Offset=3 Width=1 read-write
[[*]] Description: VREF Current Generator
Alternate Register Field: RRO Offset=4 Width=1 read-write
[[*]] Description: Refresh Rate Option
Alternate Register Field: DMD Offset=5 Width=1 read-write
[[*]] Description: Data Mask Enable
Alternate Register Field: FSPWR Offset=6 Width=1 read-write
[[*]] Description: Frequency Set Point Write Enable
Alternate Register Field: FSPOP Offset=7 Width=1 read-write
[[*]] Description: Frequency Set Point Operation Mode
Alternate Register Field: RESERVED_15_8 Offset=8 Width=8 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.