Overview
The STM32WLE5JBI6 is a 32-bit wireless long-range microcontroller (MCU) from STMicroelectronics, designed for low-power, long-range wireless applications. It integrates a 32-bit Arm® Cortex®-M4 CPU and a sub-GHz radio transceiver, making it suitable for various IoT, industrial, and smart city applications. The MCU features advanced security, ultra-low power consumption, and a wide range of peripherals and interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU | 32-bit Arm® Cortex®-M4, up to 48 MHz |
| Memory | Up to 256 KB flash, up to 64 KB SRAM |
| Radio Frequency Range | 150 MHz to 960 MHz |
| Modulation | LoRa®, (G)FSK, (G)MSK, BPSK |
| RX Sensitivity | –123 dBm for 2-FSK, –148 dBm for LoRa® |
| Transmitter Output Power | Programmable up to +22 dBm (high output), +15 dBm (low output) |
| Power Supply | 1.8 V to 3.6 V |
| Temperature Range | –40 °C to +105 °C |
| Power Consumption | Shutdown mode: 31 nA, Standby (+ RTC) mode: 360 nA, Stop2 (+ RTC) mode: 1.07 µA |
| Security Features | Hardware encryption AES 256-bit, True random number generator (RNG), Sector protection, Unique device identifier (64-bit UID) |
| Peripherals | 12-bit ADC, 12-bit DAC, 2x ultra-low-power comparators, 2x DMA controllers, 2x USART, 1x LPUART, 2x SPI, 3x I2C, Timers, RTC |
Key Features
- Ultra-low-power platform: Optimized for low power consumption with various power-saving modes.
- Advanced Radio Capabilities: Supports LoRa®, (G)FSK, (G)MSK, and BPSK modulation with high sensitivity and programmable output power.
- High-performance CPU: 32-bit Arm® Cortex®-M4 CPU with up to 48 MHz frequency and ART Accelerator for zero-wait-state execution from flash memory.
- Comprehensive Security: Includes hardware encryption (AES 256-bit), true random number generator, sector protection, and unique device identifiers.
- Rich Analog and Digital Peripherals: Features 12-bit ADC, 12-bit DAC, ultra-low-power comparators, DMA controllers, USART, LPUART, SPI, I2C, and various timers.
- Development Support: Supports serial-wire debug (SWD), JTAG, and OTA firmware updates.
Applications
- IoT Devices: Suitable for Internet of Things applications requiring low power and long-range wireless communication.
- Industrial Automation: Used in industrial automation for remote monitoring and control.
- Smart City Infrastructure: Ideal for smart city applications such as smart metering, smart lighting, and environmental monitoring.
- Wireless Sensor Networks: Applicable in wireless sensor networks for various sensing and monitoring tasks.
- Asset Tracking and Monitoring: Used in asset tracking and monitoring systems due to its long-range wireless capabilities.
Q & A
- What is the frequency range of the STM32WLE5JBI6's radio transceiver?
The frequency range is from 150 MHz to 960 MHz.
- What types of modulation does the STM32WLE5JBI6 support?
It supports LoRa®, (G)FSK, (G)MSK, and BPSK modulation.
- What is the RX sensitivity of the STM32WLE5JBI6?
The RX sensitivity is –123 dBm for 2-FSK and –148 dBm for LoRa®.
- What is the maximum transmitter output power of the STM32WLE5JBI6?
The transmitter output power is programmable up to +22 dBm (high output) and +15 dBm (low output).
- What is the power supply range for the STM32WLE5JBI6?
The power supply range is from 1.8 V to 3.6 V.
- What are the key security features of the STM32WLE5JBI6?
The key security features include hardware encryption (AES 256-bit), true random number generator, sector protection, and unique device identifiers.
- What types of peripherals does the STM32WLE5JBI6 have?
The peripherals include 12-bit ADC, 12-bit DAC, ultra-low-power comparators, DMA controllers, USART, LPUART, SPI, I2C, and various timers.
- Does the STM32WLE5JBI6 support OTA firmware updates?
Yes, it supports over-the-air (OTA) firmware updates.
- What are the typical power consumption modes of the STM32WLE5JBI6?
The typical power consumption modes include shutdown mode (31 nA), standby (+ RTC) mode (360 nA), and stop2 (+ RTC) mode (1.07 µA).
- Is the STM32WLE5JBI6 compliant with any specific radio frequency regulations?
Yes, it is compliant with regulations such as ETSI EN 300 220, EN 300 113, EN 301 166, FCC CFR 47 Part 15, 24, 90, and the Japanese ARIB STD-T30, T-67, T-108.
