Description
The STM32L476RGT6 is a high-performance, ultra-low-power microcontroller from the STM32L4 series, featuring an ARM® Cortex®-M4 core with an integrated Floating Point Unit (FPU). Delivering 100 DMIPS and achieving an excellent 220 ULPBENCH® score, this device is engineered for energy-critical applications that require robust processing capabilities. With extensive connectivity options, including USB OTG, and advanced analog features like a Sigma-Delta modulator filter and an integrated LCD controller, it provides a comprehensive solution for modern battery-powered and IoT designs.
Key Features
- Ultra-Low-Power Performance: ARM® Cortex®-M4 32-bit CPU with FPU, optimized for high efficiency at up to 80MHz.
- Advanced Connectivity: Features USB OTG 2.0 Full-Speed, 20 communication interfaces, and support for LPM and BCD.
- Integrated LCD Controller: Supports up to 8×40 or 4×44 segments with an integrated step-up converter.
- Enhanced Analog: 24 capacitive sensing channels, 4 digital filters for Sigma-Delta modulators, and rich analog peripherals with independent supply.
- System Reliability: True random number generator, CRC calculation unit, 96-bit unique ID, and hardware RTC with calibration.
- Flexible I/O: Up to 114 fast I/Os, mostly 5V-tolerant, with support for independent supply down to 1.08V.
- Developer Tools: Full support for SWD, JTAG, and Embedded Trace Macrocell™ (ETM).
Applications
- IoT Edge Devices: Low-power wireless sensor nodes and data loggers.
- Medical Equipment: Portable patient monitoring devices and diagnostic tools requiring high-precision analog sensing.
- Industrial Automation: Efficient control for remote field sensors and instrumentation.
- Consumer Electronics: Wearables, smart home controllers, and battery-powered devices with segmented LCD displays.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | STM32L476RGT6 |
| Core Architecture | ARM Cortex-M4 (32-bit) |
| Max Clock Frequency | 80 MHz |
| Supply Voltage | 1.71V to 3.6V |
| Operating Temp | –40°C to +85°C |
| Package/Case | LQFP-64 |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. Please refer to the official STMicroelectronics datasheet for complete electrical characteristics and application design details.






