RIOCR2 (DDR_PHY) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID
UG1087
Release Date
2024-03-13
Revision
1.10

RIOCR2 (DDR_PHY) Register Description

Register NameRIOCR2
Offset Address0x00000004E8
Absolute Address 0x00FD0804E8 (DDR_PHY)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionRank I/O Configuration Register 2

RIOCR2 (DDR_PHY) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved31:30roRead-only0x0Reserved. Return zeroes on reads.
COEMODE_RSVD29:26roRead-only0x0Reserved. Return zeros on reads.
COEMODE25:24rwNormal read/write0x0SDRAM C Output Enable (OE) Mode Selection. Bits [1:0] for C[0].
Valid values are:
2b00 = OE Dynamic
2b01 = OE always ON
2b10 = OE always OFF
2b11 = Reserved
CSOEMODE_RSVD23:4roRead-only0x0Reserved. Return zeros on reads.
CSOEMODE 3:0rwNormal read/write0x0SDRAM CS_n Output Enable (OE) Mode Selection. Bits [1:0] for
CS_n[0], bits [3:2] for CS_n[1]. Valid values are:
2b00 = OE Dynamic
2b01 = OE always ON
2b10 = OE always OFF
2b11 = Reserved