Zynq UltraScale+ Devices Register Reference > Module Summary > DDR_PHY Module > MR11 (DDR_PHY) Register
Register Name | MR11 |
---|---|
Relative Address | 0x00000001AC |
Absolute Address | 0x00FD0801AC (DDR_PHY) |
Width | 32 |
Type | mixedMixed types. See bit-field details. |
Reset Value | 0x00000000 |
Description | LPDDR4 Mode Register 11 |
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
Reserved | 31:16 | roRead-only | 0x0 | Reserved. Return zeroes on reads. |
RSVD_15_8 | 15:8 | roRead-only | 0x0 | Reserved. Return zeroes on reads. |
RSVD_7 | 7 | rwNormal read/write | 0x0 | These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0. |
CAODT | 6:4 | rwNormal read/write | 0x0 | CA Bus Receiver On-Die-Termination |
RSVD_3 | 3 | rwNormal read/write | 0x0 | These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0. |
DQODT | 2:0 | rwNormal read/write | 0x0 | DQ Bus Receiver On-Die-Termination |
Alternate Register MR11_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: DQODT Offset=0 Width=2 read-write
[[*]] Description: On Die Termination. Valid values are
Alternate Register Field: PDCTL Offset=2 Width=1 read-write
[[*]] Description: Power Down control. Valid values are
Alternate Register Field: RSVD Offset=3 Width=5 read-write
[[*]] Description: These are JEDEC reserved bits and are recommended by JEDEC to be programmed to 0x0.
Alternate Register Field: RESERVED_31_8 Offset=8 Width=24 read-only
[[*]] Description: Reserved. Return zeroes on reads.