The Printed Circuit Board (PCB) edge connector of the nRF7002 Expansion Board (EB) is compatible with the Nordic Thingy:53™.
The following table shows the pinout of the PCB edge connector.
| Pin | Signal name | Function |
|---|---|---|
| 1 | N.C. | Not used |
| 2 | N.C. | Not used |
| 3 | VIO | IO supply voltage |
| 4 | N.C. | Not used |
| 5 | ST0 | Coexistence interface status/priority signal |
| 6 | REQ | Coexistence interface request signal |
| 7 | N.C. | Not used |
| 8 | CLK | SPI clock signal |
| 9 | EN | Power enable signal |
| 10 | N.C. | Not used |
| 11 | N.C. | Not used |
| 12 | N.C. | Not used |
| 13 | N.C. | Not used |
| 14 | VBAT | Supply voltage |
| 15 | GRT | Coexistence interface grant signal |
| 16 | D0 | SPI MOSI signal |
| 17 | D1 | SPI MISO signal |
| 18 | CS | SPI chip select signal |
| 19 | IRQ | Host interrupt signal |
| 20 | GND | Ground |
For connecting the EB to the Nordic Thingy:53, see Using nRF7002 EB with the Nordic Thingy:53.