Zynq UltraScale+ Devices Register Reference > Module Summary > PCIE_ATTRIB Module > ATTR_21 (PCIE_ATTRIB) Register

ATTR_21 (PCIE_ATTRIB) Register

ATTR_21 (PCIE_ATTRIB) Register Description

Register NameATTR_21
Relative Address0x0000000054
Absolute Address 0x00FD480054 (PCIE_ATTRIB)
Width32
TyperwNormal read/write
Reset Value0x00000040
DescriptionATTR_21

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

ATTR_21 (PCIE_ATTRIB) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
attr_capabilities_ptr 7:0rwNormal read/write0x40Pointer to the first capabilities structure location. The value is transferred to the Capabilities Pointer Register at offset 0x34.