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HOMEPRODUCTSSOC TRANSCEIVER MODULES LORA-STM32WLE5: SOC WIRELESS MODULE WITH ULTRA-SM...
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core
 LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core

LoRa-STM32WLE5: SOC Wireless Module with Ultra-Small Size Built-in ARM Cortex-M4 Core

The LoRa-STM32WLE5 wireless module utilizes the STM32WLE5 chip from STMicroelectronics, specifically designed for ultra-long-range and ultra-low-power wireless solutions. This module employs LoRa® modulation and is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, with an operating frequency of up to 48 MHz,up to 256KB Flash, 64KB SRAM.The core includes a complete set of DSP instructions and an independent Memory Protection Unit (MPU), enhancing the security of applications. This module is extensively applicable in various sectors such as security systems, smart agriculture, industrial manufacturing, and smart homes.

Parameters

Test condition

Min.

Typ.

Max

Unit

Voltage range


1.8

3.3

3.6

V

Operating Temperature


-40

25

85

Maximum Input Signal



10


dBm

Current Consumption

Transmit Current

@3.3v


<120


mA

Receive Current


<8


mA

Sleep Current


<1


uA

RF Parameters

Frequency Range

@433MHz

400


460

MHz

@470MHz

470


510

MHz

@868MHz

850


890

MHz

@915MHz

900


940

MHz

Transmit Power


20

21

22

dBm

Receive Sensitivity

@BW=125KHz,SF=12


-141


dBm

Frequency Error



10


ppm

Modulation Rate

@LoRa

0.018


62.5

kpbs

@FSK

0.6


300

kpbs


 UHF band frequency:433/470MHz, 868/915MHz

Customizable frequency range from 150 to 960 MHz

 Open area transmission distance of over 5000 meters

 High receiver sensitivity up to -141dBm @ BW=125KHz, SF=12

 Adjustable transmit power, up to 22dBm

 Diverse interfaces: UART, SPI, I2C, GPIO, ADC

 Sleep current< 2uA

 Receive current:< 10mA

 Core processor: 32-bit Arm® Cortex®-M4 CPU

 Security features: Supports 256-bit hardware encryption and PCROP read-write protection

 Compact size with stamp hole design, facilitating secondary development by customers

Application

 Smart Agriculture

 Industrial Manufacturing

 Smart Home

 Remote Irrigation








Pin NO.

Pin name

I/O

Description

1

PB2

IO

Microcontroller I/O of the embedded chip;

refer to the chip specification for functions.

2

PB12

IO

Microcontroller I/O of the embedded chip;

refer to the chip specification for functions.

3

PA10

IO

Microcontroller I/O of the embedded chip;

refer to the chip specification for functions.

4

PA11

IO

Microcontroller I/O of the embedded chip;

refer to the chip specification for functions.

5

PA12

IO

Microcontroller I/O of the embedded chip;

refer to the chip specification for functions.

6

PB6

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

7

PB4

I

Microcontroller I/O of the embedded chip, DEMO program defines the transmit button pin;

 pressing the button transmits data.

8

PB5

IO

Microcontroller I/O of the embedded chip, DEMO program defines the receive indicator pin;

outputs high when data is received, otherwise low level.

9

PC13

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

10

SWDIO

IO

Microcontroller I/O of the embedded chip,

 programming interface.

11

SWCLK

I

Microcontroller I/O of the embedded chip,

programming interface.

12

GND

-

Connect to the negative power supply.

13

VCC

-

Connect to the positive power supply.

14

PB3

IO

Microcontroller I/O of the embedded chip, DEMO program defines the transmit indicator pin; outputs high when transmitting, low when not transmitting.

15

PB7

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

16

PB8

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

17

PA0

IO

Microcontroller I/O of the embedded chip,

DEMO program defines CS.

18

PA1

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

19

PA2

IO

Microcontroller I/O of the embedded chip,

DEMO program defines TXD.

20

PA3

IO

Microcontroller I/O of the embedded chip,

DEMO program defines RXD.

21

PA4

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

22

PA5

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

23

PA6

IO

Microcontroller I/O of the embedded chip,

see chip specification book for specific functions.

24

NRST

I

Microcontroller I/O of the embedded chip,

chip reset pin, active low.

25

GND

-

Connect to the negative power supply.

26

ANT


Connect to an external 50-ohm antenna.



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