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850/930MHz SoC SMD LoRa Module
850/930MHz SoC SMD LoRa Module
850/930MHz SoC SMD LoRa Module
850/930MHz SoC SMD LoRa Module

E77-900M22S Interface UART Le module de nœud LoraWan à faible consommation d'énergie prend en charge les commandes AT

[Solutions à puce]： STM32WLE5CCU6

[Fréquence porteuse]：868~930MHz

[Puissance de transmission]： 22dBm

[Distance de communication]： 5600m

[Taille du produit]：14*20mm

[Poids du produit]：1.6g±0.1g

[Introduction]：E77-900M22S est un module de nœud LoraWan standard développé par Ebyte. Il prend en charge les normes LoRaWAN 1.0.4 EU868, US915, AU915, AS923, IN865, KR920 et RU864. Il prend en charge les types de nœuds CLASS-A/CLASS-C et prend en charge les deux ABP. /OTAA. En même temps, le module dispose d'une variété de modes de faible consommation. L'interface de communication externe utilise l'UART standard. Les utilisateurs peuvent accéder au réseau LoRaWAN standard via une configuration simple via les commandes AT. Applications de choses.

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1
Pin number Pin Name Pin direction Pin Applications
1 PB3 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

2 PB4 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

3 PB5 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

4 PB6 Input/Output

USART1_TX

5 PB7 Input/Output

USART1_RX

6 PB8 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

7 PA0 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

8 PA1 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

9 PA2 Input/Output

LP_USART2_TX

10 PA3 Input/Output

LP_USART2_RX

11 PA4 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

12 PA5 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

13 GND Input/Output

Ground wire, connected to power reference ground

14 ON Input/Output

Antenna interface, stamp hole (50Ω characteristic impedance)

15 GND Input/Output

Ground wire, connected to power reference ground

16 PA8 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

17 NRST Input/Output

Chip reset trigger input pin, active low (built-in 0.1uF ceramic capacitor)

18 PA9 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

19 PA12 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

20 PA11 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

21 PA10 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

22 PB12 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

23 PB2 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

24 PB0 Input/Output

The passive crystal oscillator version can be configured as a general-purpose I/O port (see the STM32WLE5CCU6 manual for details). The active crystal oscillator version cannot use this pin and must leave it floating. See Chapter 8 for specific version differentiation methods.

25 PA15 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

26 PC13 Input/Output

Configurable general-purpose I/O ports (see STM32WLE5CCU6 manual for details)

27 GND Output

Ground wire, connected to power reference ground

28 VDD Input

Power supply range: 1.8–3.6V (external ceramic filter capacitor recommended).

29
SWEDING
Input

Program Download

30 SWCLK
Input

Program Download

Note 1: PA6 and PA7 pins are used as internal control RF switches of the module. PA6 = RF_TXEN, PA7 = RF_RXEN. RF_TXEN=1 and RF_RXEN=0 are the transmit channels, and RF_TXEN=0 and RF_RXEN=1 are the receive channels.

Note 2: The PC14-OSC32_IN and PC15-OSC32_OUT pins have a 32.768KHz crystal oscillator internally connected to the module for users to choose to use during secondary development.

Note 3: The OSC_IN and OSC_OUT pins have a 32MHz crystal oscillator connected inside the module for users to choose to use during secondary development.