Zynq UltraScale+ Devices Register Reference > Module Summary > USB3_REGS Module > port (USB3_REGS) Register

port (USB3_REGS) Register

port (USB3_REGS) Register Description

Register Nameport
Relative Address0x0000000038
Absolute Address 0x00FF9D0038 (USB3_0)
0x00FF9E0038 (USB3_1)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionDevice characteristics

port (USB3_REGS) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved31:3razRead as zero0x0
pwr_ctrl_prsnt 2rwNormal read/write0x01 Indicates that the port has
port power switches. 0 indicates otherwise
perm_attach 1:0rwNormal read/write0x01 Device permanetly attached to port. 0 Device not permanently attached