STMicroelectronics STM32 SoC Accelerates Creation of Smart Devices with LoRaR IoT Connections

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  • Integrates STM32 microcontroller IP and enhanced Semtech radio on one chip
  • Ready to connect to LoRa and other low-power Wide-Area Networks worldwide

STMicroelectronics has revealed the world’s first LoRa system-on-chip (SoC) for connecting smart devices to the Internet of Things (IoT) using long-distance wireless connections. The SoC combines ST’s proven skills in ultra-low-power STM32 microcontroller design with a LoRa-compliant radio in one single-die and easy-to-use device. 

Our new wireless STM32 SoC extends the existing STM32W Wireless and simplifies new-product development while saving bill-of-materials costs and maximizing system reliability and energy efficiency,” said Ricardo De Sa Earp, Microcontroller Division General Manager, STMicroelectronics. “In addition, by leveraging the STM32 MCU architecture, we let developers easily introduce wireless connectivity in existing embedded designs by porting to the STM32WLE5.”

Compatibility with worldwide LoRa networks

The STM32WLE5’s integrated radio based on Semtech SX126x IP is engineered with dual high-power and low-power transmitter modes that cover the entire global sub-1GHz unlicensed frequency range from 150MHz to 960MHz, ensuring compatibility with LoRa networks in all territories. ST’s LoRaWAN software for wireless network communications has passed all regional certifications for use worldwide.

Integration of STM32L4’s cybersecurity features

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The MCU leverages ST’s STM32L4 architecture, which features the Arm® Cortex®-M4 core with DSP extensions and brings ultra-low-power technologies for zero-wait execution from Flash. It has built-in cyber-security features of STM32L4 microcontrollers, including hardware public key accelerator (PKA), True Random Number Generator (TRNG), sector protection against read/write operation (PCROP), and support for state-of-the-art cryptographic algorithms including RSA.

Complete development environment

It is fully integrated into the market-proven STM32 ecosystem, including STM32Cube software support, as well as a LoRaWAN stack certified for all regions and available in the source-code format. The STM32WLE5 SoC enables product developers to create devices such as remote environmental sensors, meters, trackers, and process controllers that help efficiently manage energy and resources

Availability

The STM32WLE5 is available in a 5mm x 5mm UFBGA73 package. It has many variants & the pricing depends on the RAM & Flash size configuration. Please contact your nearest ST sales office for availability to OEM customers, pricing options, and sample requests.


 

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