Zynq UltraScale+ Devices Register Reference > Module Summary > PCIE_ATTRIB Module > ATTR_39 (PCIE_ATTRIB) Register

ATTR_39 (PCIE_ATTRIB) Register

ATTR_39 (PCIE_ATTRIB) Register Description

Register NameATTR_39
Relative Address0x000000009C
Absolute Address 0x00FD48009C (PCIE_ATTRIB)
Width32
TyperwNormal read/write
Reset Value0x00000148
DescriptionATTR_39

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

ATTR_39 (PCIE_ATTRIB) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
attr_msi_cap_64_bit_addr_capable 8rwNormal read/write0x1MSI 64-bit Addressing Capable. The value is transferred to the MSI Control Register[7].
attr_msi_base_ptr 7:0rwNormal read/write0x48Byte address of the base of the Message Signaled Interrupt (MSI) Capability Structure. Any access to this structure (via either the link or the management port) is relative to this address.