Zynq UltraScale+ Devices Register Reference > Module Summary > PCIE_ATTRIB Module > ATTR_43 (PCIE_ATTRIB) Register

ATTR_43 (PCIE_ATTRIB) Register

ATTR_43 (PCIE_ATTRIB) Register Description

Register NameATTR_43
Relative Address0x00000000AC
Absolute Address 0x00FD4800AC (PCIE_ATTRIB)
Width32
TyperwNormal read/write
Reset Value0x00000100
DescriptionATTR_43

This register should only be written to during reset of the PCIe block

ATTR_43 (PCIE_ATTRIB) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
attr_msix_cap_pba_bir11:9rwNormal read/write0x0MSI-X Pending Bit Array BIR. This value is transferred to the MSI-X PBA BIR field. Set to 0 if MSI-X is not enabled.
attr_msix_cap_on 8rwNormal read/write0x1Indicates that the MSIX structures exists. If this is FALSE, then the MSIX structure cannot be accessed via either the link or the management port.
attr_msix_cap_nextptr 7:0rwNormal read/write0x0MSI-X Capabilitys Next Capability Offset pointer to the next item in the capabilities list, or 00h if this is the final capability.