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

IS (SATA_AHCI_HBA) Register

IS (SATA_AHCI_HBA) Register Description

Register NameIS
Relative Address0x0000000008
Absolute Address 0x00FD0C0008 (SATA_AHCI_HBA)
Width32
TypewtcReadable, write a 1 to clear
Reset Value0x00000000
DescriptionInterrupt Status

Indicates which of the ports within the controller have an interrupt pending and require service.

IS (SATA_AHCI_HBA) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
IPS31:0wtcReadable, write a 1 to clear0x0Interrupt Pending Status (IPS):
If set, indicates that the corresponding port has an interrupt pending.
Software can use this information to determine which ports require service after an interrupt.
The IPS[x] bit is only defined for ports that are implemented or for the command completion coalescing interrupt defined by CCC_CTL.INT.
All other bits are reserved.