Zynq UltraScale+ Devices Register Reference > Module Summary > USB3_XHCI Module > GGPIO (USB3_XHCI) Register
Register Name | GGPIO |
---|---|
Relative Address | 0x000000C124 |
Absolute Address |
0x00FE20C124 (USB3_0_XHCI) 0x00FE30C124 (USB3_1_XHCI) |
Width | 32 |
Type | mixedMixed types. See bit-field details. |
Reset Value | 0x00000000 |
Description | Global General Purpose Input/Output Register The application can use this register for general purpose input and output ports or for debugging. |
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
GPO | 31:16 | rwNormal read/write | 0x0 | General Purpose Output This fields value is driven out on the gp_out[15:0] core output port. |
GPI | 15:0 | roRead-only | 0x0 | General Purpose Input This fields read value reflects the gp_in[15:0] core input value. Note: Register bit-bash test should not check for reset value of this field since its not predictable; depends on the gp_in port. |