LoRa-STM32WLE5 SoC Wireless Module: Achieving Ultra-Long Range and Low-Power High-Performance Wireless Communication

PublishTime： 2024-11-09 Article Source：G-NiceRF Official Website Author：NiceRF Wireless Technology CO.,LTD

SoC wireless module,module,Wireless Module,LoRa-STM32WLE5

The LoRa-STM32WLE5 module uses STMicroelectronics' STM32WLE5 chip, designed primarily for ultra-long-range and ultra-low-power radio solutions. This module employs LoRa® modulation and is based on a high-performance Arm® Cortex®-M4 32-bit RISC core, with a clock frequency of up to 48 MHz, supporting 256 KB of flash memory and 64 KB of RAM. This core implements a complete set of DSP instructions and includes an independent Memory Protection Unit (MPU) to enhance application security. The module is widely applicable in security systems, smart agriculture, industrial manufacturing, smart home solutions, and more.

Performance Features of the LoRa-STM32WLE5 Wireless Module

Wide Frequency Range: The module supports UHF frequency bands of 433/470 MHz, 868 MHz, and 915 MHz, and can be customized to a frequency range of 150-960 MHz according to needs, ensuring adaptability and flexibility in various application scenarios.

Ultra-Long Transmission Distance: In open environments, the LoRa-STM32WLE5 module can achieve transmission distances exceeding 5000 meters, significantly enhancing the long-range coverage capabilities of wireless communication, making it suitable for long-distance communication applications.

High Reception Sensitivity: The module has a reception sensitivity of up to -141 dBm (BW=125KHz, SF=12), significantly improving signal reception quality and stability, ensuring reliable communication even in weak signal environments.

Adjustable Transmission Power:

maximum output power can reach +22 dBm.

minimum output power can be reduced to +15 dBm.

Supports Two Modulation Rates

In LoRa mode, the modulation rate ranges from 0.018 kbps to 62.5 kbps, suitable for long-distance, low-power wireless communication scenarios. In FSK mode, the modulation rate ranges from 0.6 kbps to 300 kbps, providing higher speeds to meet different communication needs.

Low Power Design
The ultra-low power characteristics of the LoRa-STM32WLE5 module are one of its highlights. The module consumes less than 2 µA in sleep mode and less than 10 mA during reception, making it very energy-efficient for applications that require long-term continuous operation.

Powerful Hardware Configuration: High-Performance Processor and Various Communication Interfaces Ensure Data Security

The LoRa-STM32WLE5 module features 256-bit hardware encryption to effectively protect the confidentiality of data. It also offers PCROP (Protected Area Read-Out Protection) to prevent unauthorized access and modification of data, further enhancing the security of data transmission.

The module is equipped with various types of interfaces, supporting UART, SPI, I²C, GPIO, ADC, and more, providing developers with flexible connection options for applications in security systems, smart agriculture, industrial manufacturing, and smart home environments.

High-Performance Arm® Cortex®-M4 32-Bit

The high-performance ARM® Cortex®-M4 32-bit processor is an efficient embedded processor that meets the requirements for MCU implementation.

Low Power: The Cortex-M4 core is designed for low power consumption, suitable for various low-power applications.

High Performance: The 32-bit RISC processor offers excellent code efficiency and high computational performance, achieving superior processing capabilities even with the same memory capacity as commonly used 8-bit and 16-bit devices.

DSP Instruction Set Support: The built-in DSP instruction set enhances the efficiency of signal processing and complex algorithm execution.

Interrupt Response: It provides advanced interrupt response capabilities, suitable for real-time applications.

Memory Protection Unit (MPU)

The Memory Protection Unit (MPU) manages CPU access to memory, preventing one task from accidentally damaging the memory or resources used by other active tasks.

Embedded High-Speed Memory

The device includes embedded high-speed memory (up to 256 KB of flash and 64 KB of SRAM) and provides a range of enhanced I/O interfaces and peripherals. Additionally, it integrates various protection mechanisms, offering read protection, write protection, and proprietary code read-out protection for the embedded flash and SRAM.

System on Chip (SoC) Features and Advantages

Due to the flexibility of SoC, it integrates multiple devices onto a very small chip to form a system. Compared to systems composed of MCUs and other processors, SoC systems have advantages in power consumption. Moreover, SoC chips can systematically optimize the power consumption of the system at the layout level by combining factors such as process and circuit design, leading to lower power consumption and smaller footprint compared to systems built with current external PCB layouts.

SoC chips are small in size, allowing for increased functionality while significantly reducing chip dimensions.

The low-power performance of SoC can enhance the overall usage time of electronic devices (e.g., mobile phones).

Developers can reprogram SoC chips and reuse IP.

SoC chips have strong reliability, enhancing circuit safety and reducing design complexity.

SoC has fewer physical components compared to other electronic devices and can be redesigned easily.

SoC offers faster operating speeds.

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