Zynq UltraScale+ Devices Register Reference > Module Summary > SATA_AHCI_HBA Module > VS (SATA_AHCI_HBA) Register
Register Name | VS |
---|---|
Relative Address | 0x0000000010 |
Absolute Address | 0x00FD0C0010 (SATA_AHCI_HBA) |
Width | 32 |
Type | roRead-only |
Reset Value | 0x00010301 |
Description | AHCI 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.
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
MJR | 31:16 | roRead-only | 0x1 | Major Version Number (MJR): Indicates the major version is 1. |
MNR | 15:0 | roRead-only | 0x301 | Minor Version Number (MNR): Indicates the minor version is 31. |