Data Direction
| Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| DIR[7:0] | |||||||
| AccessR/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W |
| Reset0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Data Direction
Writing a '1' to PORT.DIR[n] configures and enables pin n as an output pin.
Writing a '0' to PORT.DIR[n] configures pin n as an input pin. It can be configured by writing to the ISC bit in PORT.PINnCTRL.