회사 블로그 Mingjiada Electronics Supply ST STM32L476 80MHz High-Performance 32-Bit Arm Cortex-M4 Microcontrollers

Shenzhen Mingjiada Electronics Co., Ltd. — with extensive experience in the ST microcontroller product range — consistently supplies the STM32L476 series of MCUs. This device features an Arm Cortex-M4 32-bit core with a maximum clock speed of 80 MHz and an integrated floating-point unit (FPU), enabling efficient processing of algorithmic tasks involving decimal calculations and digital signal processing.

STM32L476: The Balanced Choice for Performance and Power Consumption

The STM32L476 belongs to ST’s STM32L4 series of ultra-low-power microcontrollers and is based on a high-performance Arm® Cortex®-M4 32-bit RISC core capable of operating at frequencies up to 80 MHz. The Cortex-M4 core features a single-precision floating-point unit (FPU) and supports all Arm® single-precision data processing instructions and data types. It also includes a complete set of DSP instructions and a memory protection unit (MPU) to enhance application security.

In terms of memory configuration, the STM32L476 incorporates up to 1 MB of Flash and 128 KB of SRAM, meeting the code and data storage requirements of moderately complex embedded applications. The combination of dynamic voltage regulation and a variety of low-power modes enables precise management of both active and standby power consumption, making it particularly suitable for portable devices with stringent battery life requirements.

Key Features Explained: Integration Capabilities for Complex Applications

The STM32L476 offers impressive peripheral integration. Its analogue front-end includes multiple 12-bit ADCs, DACs and operational amplifiers, simplifying the design of sensor signal acquisition chains; communication interfaces cover USART, SPI, I²C, CAN, USB OTG and an LCD controller, facilitating multi-protocol communication and human-machine interaction. Furthermore, certain models support hardware encryption engines (AES, HASH), offering practical value in secure IoT communication scenarios.

STM32L476 Key Features:

Core: Arm® 32-bit Cortex®-M4 CPU + FPU; Adaptive Real-Time Accelerator (ART Accelerator™) enables zero-wait execution from Flash memory; clock speed up to 80 MHz; MPU; 100 DMIPS; supports DSP instructions

Performance Benchmarks

1.25 DMIPS/MHz (Drystone 2.1)

273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)

Up to 114 high-speed I/O pins with a maximum voltage of 5 V; up to 14 I/O pins with independent power supplies, minimum voltage 1.08 V

RTC with hardware calendar, alarms and calibration

8×40 or 4×44 LCD with boost converter

Memory

Up to 1 MB of Flash memory, supporting simultaneous read/write access to two memory regions and read protection for proprietary code

Up to 128 KB of SRAM, of which 32 KB supports hardware parity checking

External memory interface to support static memory such as SRAM, PSRAM, NOR and NAND

Quad SPI memory interface

4 digital filters for the Sigma-Delta modulator

STM32L476 Typical Applications

Thanks to the combination of an 80 MHz clock speed and low power consumption, the STM32L476 is suitable for a wide range of applications: industrial sensor nodes and smart meters require a balance between real-time processing and long-term stable operation; portable medical devices (such as blood glucose monitors and heart rate monitors) place high demands on power consumption and the accuracy of analogue peripherals; smart home devices and building control modules benefit from its extensive range of communication interfaces and LCD driving capabilities. Furthermore, this series of MCUs is equally suitable for use in consumer electronics, motor control auxiliary units and wearable devices.

With its 80MHz Cortex-M4 core, ultra-low-power architecture and extensive integrated peripherals, the STM32L476 remains competitive in the low-power, high-performance MCU market. Mingjiada Electronics specialises in comprehensive support services for the full range of ST MCUs, power management ICs, sensors and memory ICs. We stock all variants of the STM32L476, including STM32L476RG, STM32L476RE, STM32L476RC, STM32L476VE, STM32L476JE and other mainstream part numbers, supporting sample procurement, small-batch trial production and large-volume long-term supply.

For further information regarding the [ST] STM32L476 high-performance 32-bit microcontroller (MCU) or to enquire about sample prices, please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) for further supply details.

Tags: STM32L476VET6, STM32L476VET, STM32L476VE, STM32L476V, STM32L476