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E220-400MM22S faible consommation d'énergie 22dBm LLCC68 module lora 433MHz

[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

1
Pin No.Item
Direction Description
1VCC -

Power supply, range 1.8V~3.7V (recommended to add external ceramic filter capacitor)

2GND-

Ground wire, connected to the power reference ground

3NRST Input
 

 NRST Input Chip reset trigger input pin, active low

4NC -

-

5NC
-

-

6ANT
-

RF interface, stamp hole

7GND
-
 

Ground wire, connected to the power reference ground

8NC
-

-

9TXEN
Input

RF switch launch control pin, connected to external microcontroller IO
or DIO2, active high

10RXEN
Input RF switch receiving control pin, connected to external microcontroller
IO, active high
11BUSY Output

Used for status indication (see LLCC68 manual for details)

12MISO
Output

                  SPI data output pin

13MOSI

Input  

                  SPI data input pin

14NSS
Input

Module chip select pin for starting an SPI communication

15SCK
Input

SPI clock input pin

16GND
-
 

Ground wire, connected to the power reference ground

17NC
-

-

18DIO3
Input/Output

Configurable general-purpose IO port (see LLCC68 manual for details)

19DIO2
Input/Output

Configurable general-purpose IO port (see LLCC68 manual for details)

20DIO1 Input/Output

Configurable general-purpose IO port (see LLCC68 manual for details)