Zynq UltraScale+ Devices Register Reference > Module Summary > PCIE_ATTRIB Module > ATTR_43 (PCIE_ATTRIB) Register
Register Name | ATTR_43 |
---|---|
Relative Address | 0x00000000AC |
Absolute Address | 0x00FD4800AC (PCIE_ATTRIB) |
Width | 32 |
Type | rwNormal read/write |
Reset Value | 0x00000100 |
Description | ATTR_43 |
This register should only be written to during reset of the PCIe block
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
attr_msix_cap_pba_bir | 11:9 | rwNormal read/write | 0x0 | MSI-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 | 8 | rwNormal read/write | 0x1 | Indicates 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 | 7:0 | rwNormal read/write | 0x0 | MSI-X Capabilitys Next Capability Offset pointer to the next item in the capabilities list, or 00h if this is the final capability. |