ggpio
The application can use this register for general purpose input/output ports or for debugging.
| Module Instance | Base Address | Register Address |
|---|---|---|
| usb0 | 0xFFB00000 | 0xFFB00038 |
| usb1 | 0xFFB40000 | 0xFFB40038 |
Offset: 0x38
Access: RW
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
gpo RW 0x0 |
|||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
gpi RO 0x0 |
|||||||||||||||
ggpio Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 31:16 | gpo | This field is driven as an output from the core, gp_o[15:0]. The application can program this field to determine the corresponding value on the gp_o[15:0] output. |
RW | 0x0 |
| 15:0 | gpi | This field's read value reflects the gp_i[15:0] core input value. |
RO | 0x0 |