Overview
The STM32WLE5JCI6 is a highly advanced microcontroller from STMicroelectronics, designed for long-range wireless and ultra-low-power applications. It is based on the 32-bit Arm® Cortex®-M4 CPU, operating at a frequency of up to 48 MHz. This device is part of the STM32WL series, which integrates a powerful and ultra-low-power LPWAN-compliant radio solution, supporting modulations such as LoRa®, (G)FSK, (G)MSK, and BPSK. The STM32WLE5JCI6 is optimized for low-power consumption, making it ideal for battery-powered devices and IoT applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Core | 32-bit Arm® Cortex®-M4 CPU |
| Operating Frequency | Up to 48 MHz |
| Memory | Up to 256 Kbytes of flash memory, up to 64 Kbytes of SRAM |
| Power Supply | 1.8 V to 3.6 V |
| Operating Temperature | –40 °C to +105 °C (+85 °C with radio) |
| Radio Frequency Range | 150 MHz to 960 MHz |
| Modulation | LoRa®, (G)FSK, (G)MSK, and BPSK |
| Transmitter Output Power | Programmable up to +22 dBm |
| Receiver Sensitivity | –123 dBm for 2-FSK, –148 dBm for LoRa® |
| Package | UFBGA 73 5x5x0.6 P 0.5 mm |
| Interface Type | I2C, SPI, UART, LPUART, USART |
| Timers | 2x 16-bit single-channel timers, 2x 16-bit four-channel timers, 1x 32-bit four-channel timer, 3x 16-bit ultra-low-power timers |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, 2x ultra-low-power comparators |
| Power Modes | Shutdown, Standby (+ RTC), Stop2 (+ RTC) |
| Power Consumption | Shutdown: 31 nA, Standby (+ RTC): 360 nA, Stop2 (+ RTC): 1.07 µA, Active-mode MCU: < 72 µA/MHz |
Key Features
- Ultra-Low-Power Platform: Designed for extremely low power consumption with various power-saving modes.
- Advanced Radio Solution: Supports LoRa®, (G)FSK, (G)MSK, and BPSK modulations with high sensitivity and output power.
- High-Performance Core: 32-bit Arm® Cortex®-M4 CPU with adaptive real-time accelerator (ART Accelerator) and DSP instructions.
- Comprehensive Peripherals: Includes 12-bit ADC, 12-bit DAC, ultra-low-power comparators, and multiple timers and interfaces.
- Security Features: Hardware encryption (AES 256-bit), true random number generator (RNG), and sector protection for flash and SRAM.
- Power Management: High-efficiency SMPS step-down converter, ultra-safe BOR, and programmable voltage detector (PVD).
- Development Support: Serial-wire debug (SWD), JTAG, and support for OTA firmware updates.
Applications
- IoT Devices: Ideal for Internet of Things applications requiring low power and long-range wireless communication.
- Smart Metering: Suitable for smart metering systems that need reliable and efficient wireless communication.
- Industrial Automation: Used in industrial automation for remote monitoring and control.
- Smart Cities: Applied in smart city infrastructure for various wireless sensing and control applications.
- Wearable Devices: Can be used in wearable devices that require low power consumption and wireless connectivity.
Q & A
- What is the core architecture of the STM32WLE5JCI6?
The STM32WLE5JCI6 is based on the 32-bit Arm® Cortex®-M4 CPU.
- What are the supported wireless modulations?
The device supports LoRa®, (G)FSK, (G)MSK, and BPSK modulations.
- What is the operating temperature range of the STM32WLE5JCI6?
The operating temperature range is –40 °C to +105 °C (+85 °C with radio).
- What are the power consumption modes available?
The device has shutdown, standby (+ RTC), and stop2 (+ RTC) power modes.
- What is the maximum flash memory and SRAM available?
Up to 256 Kbytes of flash memory and up to 64 Kbytes of SRAM.
- Does the STM32WLE5JCI6 support OTA firmware updates?
Yes, it supports over-the-air (OTA) firmware updates.
- What are the key security features of the STM32WLE5JCI6?
It includes hardware encryption (AES 256-bit), true random number generator (RNG), and sector protection for flash and SRAM.
- What interfaces are available on the STM32WLE5JCI6?
The device includes I2C, SPI, UART, LPUART, and USART interfaces.
- What is the package type and size of the STM32WLE5JCI6?
The package type is UFBGA 73 5x5x0.6 P 0.5 mm.
- Is the STM32WLE5JCI6 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 Japanese ARIB STD-T30, T-67, T-108.
