Zynq UltraScale+ Devices Register Reference > Module Summary > SATA_AHCI_HBA Module > VS (SATA_AHCI_HBA) Register

VS (SATA_AHCI_HBA) Register

VS (SATA_AHCI_HBA) Register Description

Register NameVS
Relative Address0x0000000010
Absolute Address 0x00FD0C0010 (SATA_AHCI_HBA)
Width32
TyperoRead-only
Reset Value0x00010301
DescriptionAHCI Version

Indicates the major and minor version of the AHCI specification that the HBA implementation supports. The upper two bytes represent the major version number, and the lower two bytes represent the minor version number. Example: Version 3.12 would be represented as 00030102h. Three versions of the specification are valid: 0.95, 1.0, 1.1, and 1.2, and 1.3.

VS (SATA_AHCI_HBA) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
MJR31:16roRead-only0x1Major Version Number (MJR): Indicates the major version is 1.
MNR15:0roRead-only0x301Minor Version Number (MNR): Indicates the minor version is 31.