[Puce]:LLCC68
[Fréquence de travail]:410MHz~493MHz
[Puissance d'émission]:22 dBm
[Distance]:6 km
[Taille]:10*10*2.5mm
[Poids]:0,5 g ± 0,02 g
[Product weight]:0.5g±0.02g
[Introduction]:E220-400MM22S est un volume ultra-petit développé indépendamment sur la base d'une nouvelle génération de puce RF LoRaTM LLCC68 produite par Semtech, et convient aux modules sans fil SMD LoRaTM 433 MHz, 470 MHz, utilisant un oscillateur à cristal 32 MHz de qualité industrielle
Pin No. | Item | Direction | Description |
1 | VCC | - | Power supply, range 1.8V~3.7V (recommended to add external ceramic filter capacitor) |
2 | GND | - | Ground wire, connected to the power reference ground |
3 | NRST | Input | NRST Input Chip reset trigger input pin, active low |
4 | NC | - | - |
5 | NC | - | - |
6 | ANT | - | RF interface, stamp hole |
7 | GND | - | Ground wire, connected to the power reference ground |
8 | NC | - | - |
9 | TXEN | Input | RF switch launch control pin, connected to external microcontroller IO |
10 | RXEN | Input | RF switch receiving control pin, connected to external microcontroller IO, active high |
11 | BUSY | Output | Used for status indication (see LLCC68 manual for details) |
12 | MISO | Output | SPI data output pin |
13 | MOSI | Input | SPI data input pin |
14 | NSS | Input | Module chip select pin for starting an SPI communication |
15 | SCK | Input | SPI clock input pin |
16 | GND | - | Ground wire, connected to the power reference ground |
17 | NC | - | - |
18 | DIO3 | Input/Output | Configurable general-purpose IO port (see LLCC68 manual for details) |
19 | DIO2 | Input/Output | Configurable general-purpose IO port (see LLCC68 manual for details) |
20 | DIO1 | Input/Output | Configurable general-purpose IO port (see LLCC68 manual for details) |