The header J16 "WLESS" offers the possibility to connect various Atmel Wireless modules.
Pinout
| Pin on header | UC3A GPIO name | Main functionality |
|---|---|---|
| 1 | PA09 | SPI0 chip select SPI0_CS0 |
| 2 | PA13 | SPI0 clock SPI0_SCK |
| 3 | PA12 | SPI0_MOSI |
| 4 | PA11 | SPI0_MISO |
| 5 | PA20 | EXT_INT8 |
| 6 | PB30 | GPIO |
| 7 | RESET | Reset |
| 8 | PB31 | GPIO |
| 9 | -- | GND |
| 10 | -- | VCC3V3 |