- Variant 1:
| Offset | Name | Description |
|---|---|---|
| 0x00 | OUT | Output levels |
| 0x04 | IN | Input levels |
| 0x08 | DIR | Direction (0: output, 1: input) |
| 0x0C | DIE | Digital input enable |
| 0x10 | PU | Pull-up enable |
| 0x14 | PD | Pull-down enable |
| 0x18 | HD | High drive current enable |
When both PU and PD are set for a specific pin, this will enable a special mux setting, that is selected with the DIE and OUT bits.
- Variant 2:
| Offset | Name | Description |
|---|---|---|
| 0x1C | HD1 | High drive current enable #2 |
- Variant 3:
| Offset | Name | Description |
|---|---|---|
| 0x20 | DIEH | ?? |