Zynq UltraScale+ Devices Register Reference > Module Summary > USB3_REGS Module > port (USB3_REGS) Register
Register Name | port |
---|---|
Relative Address | 0x0000000038 |
Absolute Address |
0x00FF9D0038 (USB3_0) 0x00FF9E0038 (USB3_1) |
Width | 32 |
Type | mixedMixed types. See bit-field details. |
Reset Value | 0x00000000 |
Description | Device characteristics |
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
Reserved | 31:3 | razRead as zero | 0x0 | |
pwr_ctrl_prsnt | 2 | rwNormal read/write | 0x0 | 1 Indicates that the port has port power switches. 0 indicates otherwise |
perm_attach | 1:0 | rwNormal read/write | 0x0 | 1 Device permanetly attached to port. 0 Device not permanently attached |