U-Blox M8 Concurrent GNSS Timing Modules
| Pin | Name | Type |
|---|---|---|
| 11 | RF_IN | input |
| 6 | USB_DP | bidirectional |
| 5 | USB_DM | bidirectional |
| 7 | VDD_USB | input |
| 1 | TP2/SAFEBOOT_N | bidirectional |
| 4 | EXTINT0 | input |
| 15 | EXTINT1 | input |
| 8 | RESET_N | input |
| 22 | V_BCKP | input |
| 9 | VCC_RF | output |
| 23 | VCC | power_in |
| 2 | D_SEL | input |
| 18 | SDA/SPI_CS_N | bidirectional |
| 19 | SCL/SPI_CLK | bidirectional |
| 20 | TXD/SPI_MISO | output |
| 21 | RXD/SPI_MOSI | input |
| 3 | TIMEPULSE | output |
| 14 | LNA_EN | output |
| 16 | RESERVED | passive |
| 17 | RESERVED | passive |
| 10 | GND | power_in |
| 12 | GND | power_in |
| 13 | GND | power_in |
| 24 | GND | power_in |
