Overview
The STM32WLE5J8I6 is a multiprotocol LPWAN (Low-Power Wide-Area Network) microcontroller from STMicroelectronics. It is part of the STM32WLE5/E4xx series, which integrates a powerful and ultra-low-power radio solution. This microcontroller is based on the 32-bit Arm Cortex-M4 core, operating at a frequency of up to 48 MHz. It is designed for long-range wireless applications, supporting modulations such as LoRa®, (G)FSK, (G)MSK, and BPSK. The device is optimized for ultra-low power consumption, making it suitable for battery-powered devices and IoT applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 32-bit Arm Cortex-M4 @ 48 MHz |
| Flash Memory | Up to 256 Kbytes |
| SRAM | Up to 64 Kbytes |
| Modulations | LoRa®, (G)FSK, (G)MSK, BPSK |
| Frequency Range | 150 MHz to 960 MHz |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40 °C to +105 °C |
| Package | UFBGA 73 (5x5x0.6 mm) |
| Security | AES 256-bit, True Random Number Generator (RNG), Sector Protection |
Key Features
- Ultra-low-power platform with shutdown mode as low as 31 nA and standby mode as low as 360 nA
- High-efficiency embedded SMPS step-down converter and SMPS to LDO smart switch
- Advanced radio features including high output power up to +22 dBm and low output power up to +15 dBm
- Compliance with various radio frequency regulations such as ETSI EN 300 220, FCC CFR 47 Part 15, and Japanese ARIB STD-T30
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Multiple communication interfaces: USART, SPI, I2C, LPUART
- Support for OTA (over-the-air) firmware updates
Applications
The STM32WLE5J8I6 is suitable for a variety of applications, including:
- IoT devices requiring long-range wireless communication
- Smart metering and smart energy management systems
- Industrial automation and control systems
- Smart city infrastructure and public services
- Wireless sensor networks and environmental monitoring
Q & A
- What is the core architecture of the STM32WLE5J8I6?
The STM32WLE5J8I6 is based on the 32-bit Arm Cortex-M4 core. - What are the supported modulations for this microcontroller?
The supported modulations include LoRa®, (G)FSK, (G)MSK, and BPSK. - What is the frequency range of the radio?
The frequency range is from 150 MHz to 960 MHz. - What is the maximum flash memory available?
The maximum flash memory available is up to 256 Kbytes. - What are the operating temperature and voltage ranges?
The operating temperature range is -40 °C to +105 °C, and the supply voltage range is 1.8 V to 3.6 V. - Does the microcontroller support OTA firmware updates?
Yes, it supports OTA (over-the-air) firmware updates. - What security features are included?
The device includes AES 256-bit encryption, a true random number generator (RNG), and sector protection. - What are the power consumption characteristics in different modes?
The device has a shutdown mode of 31 nA, standby mode of 360 nA, and active-mode MCU consumption of less than 72 µA/MHz. - Is the device compliant with any specific radio frequency regulations?
Yes, it is compliant with regulations such as ETSI EN 300 220, FCC CFR 47 Part 15, and Japanese ARIB STD-T30. - What package options are available for this microcontroller?
The device is available in a UFBGA 73 package (5x5x0.6 mm).
