STM32WLE5C8U6 Overview
The STM32WLE5C8U6 is a highly integrated microcontroller combining an Arm? Cortex?-M4 core with a sub-GHz radio transceiver, designed for low-power wireless applications. It supports LoRa?, Sigfox?, and other proprietary protocols, making it ideal for long-range, low-data-rate IoT devices. Featuring up to 64 KB of Flash memory and 20 KB of RAM, it balances performance and energy efficiency for battery-operated systems. Its integrated radio and extensive peripherals simplify design complexity and reduce overall system cost. For detailed specifications and availability, visit IC Manufacturer.
STM32WLE5C8U6 Technical Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M4 32-bit, 48 MHz |
| Flash Memory | 64 KB |
| RAM | 20 KB |
| Radio Frequency Range | 150 MHz to 960 MHz |
| Radio Modulation | LoRa?, (G)FSK, (G)MSK, BPSK |
| Operating Voltage | 1.8 V to 3.6 V |
| Package | UFBGA73, 7×7 mm |
| Power Consumption (Rx) | 5.4 mA typical at 3.3 V |
| Power Consumption (Tx) | up to 22.5 mA at +14 dBm |
| Temperature Range | -40??C to +85??C |
STM32WLE5C8U6 Key Features
- Integrated Arm Cortex-M4 core: Enables efficient processing with DSP instructions for advanced signal processing, enhancing system responsiveness and reducing external component count.
- Sub-GHz radio transceiver: Supports multiple modulation schemes including LoRa? and FSK, allowing flexible wireless communication over long distances with low power consumption.
- Low power operation: Ultra-low current consumption in both receive and transmit modes extends battery life for IoT applications requiring years of maintenance-free operation.
- Robust memory configuration: 64 KB Flash and 20 KB RAM provide ample space for complex firmware, encryption, and application code, supporting secure and reliable wireless connectivity.
Typical Applications
- Long-range IoT sensor nodes requiring secure, low-power wireless communication for smart metering, agriculture, or environmental monitoring.
- Industrial automation systems where reliable sub-GHz communication ensures robust data transfer in harsh environments.
- Smart city infrastructure devices such as street lighting control or waste management sensors that benefit from low power and extended range.
- Asset tracking and remote monitoring devices needing compact integration of MCU and radio to reduce size and cost.
STM32WLE5C8U6 Advantages vs Typical Alternatives
This microcontroller offers a unique integration of a powerful Cortex-M4 core with a versatile sub-GHz radio transceiver, delivering superior sensitivity and communication range compared to typical low-power MCUs without built-in radio. Its low current consumption and comprehensive memory resources enable longer battery life and more complex applications, minimizing the need for external components and lowering overall system cost and complexity.
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STM32WLE5C8U6 Brand Info
STM32WLE5C8U6 is part of the STM32 family produced by STMicroelectronics, a global leader in semiconductor manufacturing. This product belongs to the STM32WL series, which integrates LoRa?-capable radio transceivers with STM32 MCUs, positioning STMicroelectronics as a key supplier for IoT and wireless sensor network applications. The brand is known for robust industrial-grade performance, extensive ecosystem support, and continuous innovation in embedded processing and wireless connectivity.
FAQ
What wireless protocols does this microcontroller support?
The device supports multiple sub-GHz wireless protocols including LoRa?, (G)FSK, (G)MSK, and BPSK. This versatility allows flexible implementation of long-range, low-power wireless communication tailored to various IoT applications.
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What is the typical power consumption during radio transmission?
During transmission at +14 dBm output power, the microcontroller consumes
