Pin assignments¶
Module seen from the top
Pin functions¶
| Pin | Name | Pin type | Description |
|---|---|---|---|
| 1 | VSS | Power | Ground (0V) |
| 2 | MOSI | Digital input | SPI Master Out, Slave In |
| 3 | N.C. | No connection | Do not connect |
| 4 | N.C. | No connection | Do not connect |
| 5 | N.C. | No connection | Do not connect |
| 6 | MISO | Digital output | SPI Master In, Slave Out |
| 7 | VSS | Power | Ground (0V) |
| 8 | UART_TXD | Digital output | UART TXD |
| 9 | VSS | Power | Ground (0V) |
| 10 | RS485_DE | Digital output | RS485 driver control signal |
| 11 | RS485_RE | Digital output | RS485 driver control signal |
| 12 | nRESET | Digital input | Reset Pin (3.3V Max) (Pull-up) |
| 13 | N.C. | No connection | Do not connect |
| 14 | N.C. | No connection | Do not connect |
| 15 | UART_RXD | Digital input | UART RXD (3.3V Max) |
| 16 | SCK | Digital input | SPI Clock |
| 17 | N.C. | No connection | Do not connect |
| 18 | N.C. | No connection | Do not connect |
| 19 | N.C. | No connection | Do not connect |
| 20 | N.C. | No connection | Do not connect |
| 21 | N.C. | No connection | Do not connect |
| 22 | N.C. | No connection | Do not connect |
| 23 | VSS | Power | Ground (0V) |
| 24 | VSS | Power | Ground (0V) |
| 25 | VSS | Power | Ground (0V) |
| 26 | VSS | Power | Ground (0V) |
| 27 | VSS | Power | Ground (0V) |
| 28 | IRQ | Digital output | SPI Interrupt signal, active low |
| 29 | N.C. | No connection | Do not connect |
| 30 | N.C. | No connection | Do not connect |
| 31 | N.C. | No connection | Do not connect |
| 32 | BOOTLOADER | Digital input | Bootloader entry (3.3V Max) (Pull-up) |
| 33 | CS | Digital output | SPI Chip select, active low |
| 34 | UART_MGMT_TX | Digital output | UART Management TX |
| 35 | UART_MGMT_RX | Digital input | UART Management RX (3.3V max) |
| 36 | VDD | Power | Power supply (3.3V) |
| 37 | VSS | Power | Ground (0V) |
| 38 | N.C. | No connection | Do not connect |
| 39 | VSS | Power | Ground (0V) |
| 40 | N.C. | No connection | Do not connect |
| 41 | N.C. | No connection | Do not connect |
| ANT | RF ANT | RF | Antenna connector |