Five General-Purpose Input/Output (GPIO)s are available on pin header P12. The GPIOs can be configured using the nPM Controller, or an external host.
All GPIOs are inputs with weak pull-down by default.
Figure 1. GPIO schematic
| Pin | Pin name | Function |
|---|---|---|
| 1 | GPIO0 | PMIC GPIO0 |
| 2 | GPIO1 | PMIC GPIO1 |
| 3 | GPIO2 | PMIC GPIO2 |
| 4 | GPIO3 | PMIC GPIO3 |
| 5 | GPIO4 | PMIC GPIO4 |
| 6 | GND | Ground |