SD_DLL_CTRL (IOU_SLCR) Register - UG1087

Zynq UltraScale+ Devices Register Reference (UG1087)

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

SD_DLL_CTRL (IOU_SLCR) Register Description

Register NameSD_DLL_CTRL
Offset Address0x0000000358
Absolute Address 0x00FF180358 (IOU_SLCR)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionSDIO status register

SD_DLL_CTRL (IOU_SLCR) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved31:20razRead as zero0x0Reserved. Writes are ignored, read data is zero.
SD1_DLL_RST_DIS19rwNormal read/write0x00: Enable the DLL Reset logic
1: Disable the DLL Reset logic
SD1_DLL_RST18rwNormal read/write0x00: No reset to the DLL
1: Resets the DLL
SD1_DLL_TESTMODE17rwNormal read/write0x00: DLL Functional mode
1: DLL Test mode
SD1_DLL_LOCK16roRead-only00: DLL was not locked
1: DLL locked
Reserved15:4razRead as zero0x0Reserved. Writes are ignored, read data is zero.
SD0_DLL_RST_DIS 3rwNormal read/write0x00: Enable the DLL Reset logic
1: Disable the DLL Reset logic
SD0_DLL_RST 2rwNormal read/write0x00: No reset to the DLL
1: Resets the DLL
SD0_DLL_TESTMODE 1rwNormal read/write0x00: DLL Functional mode
1: DLL Test mode
SD0_DLL_LOCK 0roRead-only00: DLL not locked
1: DLL locked