Item specifics
Description
STM32WLE5CCU6 Product Overview
STM32WLE5CCU6 is an Arm Cortex-M4 MCU at 48 MHz with FPU and ART Accelerator, UFQFPN-48. 256 KB Flash, 64 KB SRAM, Sub-GHz radio (150-960 MHz) supporting LoRa, (G)FSK, (G)MSK, and BPSK modulations, with integrated high-efficiency PA (+22 dBm) and LNA. HW AES-256, true RNG, 12-bit ADC (12 ch), LP timers, RTC, 2×USART, 1×LPUART, 2×SPI/I2S, 3×I2C. Up to 43 x 5 V-tolerant I/Os. 1.8–3.6 V, -40–85 °C. As the world's first single-chip SoC integrating a LoRa transceiver, the STM32WLE5CCU6 perfectly combines Cortex-M4 application processing with long-range, low-power wireless connectivity, purpose-built for IoT sensors, smart metering, and smart city nodes requiring extended range, ultra-low power, and robust security.
STM32WLE5CCU6 Core Features
STM32WLE5CCU6 Core: Arm Cortex-M4 48 MHz, FPU + ART Accelerator
STM32WLE5CCU6 Memory: 256 KB Flash, 64 KB SRAM. The STM32WLE5CCU6's memory configuration is optimized for wireless protocol stacks and application code.
STM32WLE5CCU6 Sub-GHz Radio: 150-960 MHz, LoRa, (G)FSK, (G)MSK, BPSK, integrated PA (+22 dBm) and LNA
STM32WLE5CCU6 Security: HW AES-256, True Random Number Generator (RNG), secure firmware update
STM32WLE5CCU6 Analog: 12-bit ADC (12 ch)
STM32WLE5CCU6 Connectivity: 2×USART, 1×LPUART, 2×SPI/I2S, 3×I2C
STM32WLE5CCU6 Timers: LP Timer, GP Timers, RTC
STM32WLE5CCU6 I/Os: 43 (5 V-tolerant)
STM32WLE5CCU6 Package: UFQFPN-48
STM32WLE5CCU6 Temperature Range: -40°C to 85°C
STM32WLE5CCU6 Applications
The STM32WLE5CCU6 is ideally suited for a wide range of low-power, long-range wireless applications, including:
Smart Metering: LoRaWAN water, gas, and electricity meters
Smart Agriculture: Soil sensors, weather stations, livestock tracking
Industrial Wireless Sensors: Long-range wireless sensors, equipment condition monitoring
Asset Tracking & Logistics: Container tracking, cold chain monitoring
Smart City: Streetlight control, parking sensors, environmental monitoring
STM32WLE5CCU6 Key Advantages
Single-Chip LoRa SoC: The STM32WLE5CCU6 is the world's first integration of Cortex-M4 and LoRa transceiver, dramatically simplifying design, shrinking size, and reducing cost
High-Performance Radio: The STM32WLE5CCU6's integrated +22 dBm PA and LNA deliver an excellent link budget for reliable long-range communication
Ultra-Low Power: The STM32WLE5CCU6 is optimized for battery-powered operation, supporting LoRaWAN Class A/B/C modes for up to decades of battery life
Hardware Security: The STM32WLE5CCU6 features an AES-256 engine and secure firmware update to protect data transmission and device integrity
Rich Peripherals & I/Os: 43 x 5 V-tolerant I/Os enable direct connection of various sensors
Full Ecosystem Compatibility: Easy development with STM32CubeIDE/CubeMX, STM32WL HAL, and LoRaWAN stacks
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FAQ
1. What is STM32WLE5CCU6?
STM32WLE5CCU6 is a multiprotocol LPWAN wireless SoC from STMicroelectronics that integrates a 32-bit Arm® Cortex®-M4 MCU with a Sub-GHz RF transceiver in a single chip. It deeply integrates the Semtech SX126x LoRa® modem IP and supports multiple modulations including LoRa®, (G)FSK, (G)MSK, and BPSK, covering global ISM bands from 150MHz to 960MHz.
2. What are the key specifications of STM32WLE5CCU6?
ARM Cortex-M4 core, up to 48MHz; 256KB Flash program memory, 64KB SRAM; operating voltage 1.8V~3.6V; supports LoRa®, (G)FSK, (G)MSK, BPSK modulations; data rate up to 300kbps; transmit output power up to +22dBm; receive sensitivity down to -148dBm.
3. What package does STM32WLE5CCU6 use?
UFQFPN-48 package (7mm × 7mm, with exposed pad), 48 pins total. Chip height is 0.55mm, with Moisture Sensitivity Level MSL 3.
4. What applications is STM32WLE5CCU6 suitable for?
Smart metering (water, electricity, gas meters), environmental monitoring, smart agriculture (crop and livestock monitoring), smart cities (infrastructure monitoring), asset tracking, logistics and transportation management, smart factories and Industry 4.0. The STM32WLE5CCU6 is also widely used in smart home and security equipment applications.
5. What development tools support STM32WLE5CCU6?
ST's official STM32CubeMX (graphical configuration tool) and STM32CubeIDE (integrated development environment). Comes with the STM32Cube_FW_WL firmware package, supporting mainstream IDEs including Keil MDK-ARM and IAR EWARM. Debugging and programming supported via ST-Link series.
6. What is the operating temperature range of STM32WLE5CCU6?
Operating temperature range is -40°C to +85°C (ambient temperature TA), with junction temperature TJ up to 105°C. This industrial-grade STM32WLE5CCU6 is suitable for harsh outdoor and industrial environments.
7. What is the power consumption performance of STM32WLE5CCU6?
The STM32WLE5CCU6 employs Dynamic Voltage Scaling (DVS) technology and multiple low-power modes. Shutdown mode: 31nA (VDD=3V); Standby mode: 360nA, with RTC retention; Stop2 mode: 1.07μA, with SRAM retention; Run mode: MCU core current <72μA/MHz; Receive current: 4.82mA; Transmit current: 15mA (10dBm) to 87mA (20dBm).
8. What modulations and frequency bands does STM32WLE5CCU6 support?
Supports LoRa®, (G)FSK, (G)MSK, and BPSK modulations. Operating frequency range covers 150MHz to 960MHz global ISM bands, including Europe 868MHz, North America 915MHz, Asia 433MHz and 470MHz. LoRa® modulation is only available in the STM32WLx5xx series.
9. What security features does STM32WLE5CCU6 support?
Supports AES-256 hardware encryption engine and True Random Number Generator (RNG) ; supports Readout Protection (RDP) , Write Protection (WRP) , and Proprietary Code Readout Protection (PCROP) ; integrated Cortex-M4 Memory Protection Unit (MPU) ; supports Secure Boot and secure OTA firmware updates; features a 64-bit unique device identifier (UID) compliant with IEEE 802-2001.
10. What peripheral interfaces does STM32WLE5CCU6 support?
Supports 29 GPIOs; 12-bit ADC (up to 9 channels); 12-bit DAC (low-power sample-and-hold); 2 ultra-low-power comparators; 7 PWM channels; communication interfaces include I2C, SPI, USART, LPUART, I2S; supports IrDA and SWD debug interface.