UWB Transceiver Module
| Pin | Name | Type |
|---|---|---|
| 17 | SPICSn | input |
| 20 | SPICLK | input |
| 18 | SPIMOSI | input |
| 19 | SPIMISO | output |
| 1 | EXTON | output |
| 2 | WAKEUP | bidirectional |
| 5 | VDDAON | power_in |
| 6 | VDD3V3 | power_in |
| 7 | VDD3V3 | power_in |
| 22 | IRQ/GPIO8 | bidirectional |
| 4 | GPIO7 | bidirectional |
| 9 | EXTRXE/SPIPHA/GPIO6 | bidirectional |
| 10 | EXTTXE/SPIPOL/GPIO5 | bidirectional |
| 11 | EXTPA/GPIO4 | bidirectional |
| 12 | TXLED/GPIO3 | bidirectional |
| 13 | RXLED/GPIO2 | bidirectional |
| 14 | SFDLED/GPIO1 | bidirectional |
| 15 | RXOKLED/GPIO0 | bidirectional |
| 3 | RSTn | bidirectional |
| 8 | GND | power_in |
| 16 | GND | power_in |
| 21 | GND | power_in |
| 23 | GND | power_in |
| 24 | GND | power_in |
