[Interface]:USB
[Ébrécher]:LLCC68
[Taille]:53*27mm
[Introduction]:E220-400M22S est un petit module développé indépendamment sur la base de la génération de puce RF LoRa TM LLCC68 produite par la société Semtech. LLCC68 convient aux modules sans fil SMD 433 MHz et 470 MHz et utilise un oscillateur à cristal industriel 32 MHz.
| Pin number | definition | Functional Description |
| 1 | VCC | The module power supply pin needs to be short-circuited with pin 2 to power the module. |
| 2 | 3.3V | 3.3V power pin |
| 3 | 3.3V | 3.3V power pin |
| 4 | SAW | MCU power supply pin, needs to be short-circuited with pin 3 to power the MCU |
| 5 | GND | Baseplate reference ground |
| 6 | REST | MCU external reset pin |
| 7 | SWIM | MCU's SWIM pin |
| 8 | SAW | MCU power supply pin |
| 9 | PC0 | Module reset pin |
| 10 | PB7 | Module MISO pin |
| 11 | PB6 | Module MOSI pin |
| 12 | PB5 | Module SCLK pin |
| 13 | PB4 | Module NSS pin |
| 14 | TXD | MCU serial port TXD |
| 15 | RXD | MCU serial port RXD |
| 16 | M1 | Module mode switching pin (see module product manual for details) |
| 17 | GND | Baseplate reference ground |
| 18 | M0 | Module mode switching pin (see module product manual for details) |
| 19 | GND | Baseplate reference ground |