Zynq UltraScale+ Devices Register Reference > Module Summary > DDR_PHY Module > MR5 (DDR_PHY) Register
Register Name | MR5 |
---|---|
Relative Address | 0x0000000194 |
Absolute Address | 0x00FD080194 (DDR_PHY) |
Width | 32 |
Type | mixedMixed types. See bit-field details. |
Reset Value | 0x00000000 |
Description | LPDDR4 Mode Register 5 |
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
Reserved | 31:8 | roRead-only | 0x0 | Reserved. Return zeroes on reads. |
RSVD | 7:0 | rwNormal read/write | 0x0 | These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0. |
Alternate Register MR5_DDR3, reset=0x400
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: CAPM Offset=0 Width=3 read-write
[[*]] Description: C/A Parity Latency Mode
Alternate Register Field: CRCEC Offset=3 Width=1 read-write
[[*]] Description: CRC Error Clear
Alternate Register Field: CAPES Offset=4 Width=1 read-write
[[*]] Description: C/A Parity Error Status
Alternate Register Field: ODTIBPD Offset=5 Width=1 read-write
[[*]] Description: ODT Input Buffer during Power Down mode
Alternate Register Field: RTTPARK Offset=6 Width=3 read-write
[[*]] Description: RTT_PARK
Alternate Register Field: CAPPE Offset=9 Width=1 read-write
[[*]] Description: CA Parity Persistent Error
Alternate Register Field: DM Offset=10 Width=1 read-write
[[*]] Description: Data Mask
Alternate Register Field: WDBI Offset=11 Width=1 read-write
[[*]] Description: Write DBI
Alternate Register Field: RDBI Offset=12 Width=1 read-write
[[*]] Description: Read DBI
Alternate Register Field: RSVD Offset=13 Width=3 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.