STM32L476RET6

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: Low power consumption, high performance, rich peripheral set
• Package: LQFP64
• Essence: ARM Cortex-M4 32-bit RISC core
• Packaging/Quantity: Tray/250 units

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 512 KB
• RAM: 128 KB
• Operating Voltage: 1.71V to 3.6V
• Digital I/O Pins: 51
• Analog Input Pins: 16
• Communication Interfaces: UART, SPI, I2C, USB, CAN, Ethernet
• ADC Resolution: 12-bit
• Timers: 16-bit and 32-bit timers
• DMA Channels: 12
• Power Consumption: Ultra-low power mode with less than 0.7 µA in standby

Pin Configuration

The STM32L476RET6 microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: GPIO pins
• Pins 9-16: Analog input pins
• Pins 17-24: GPIO pins
• Pins 25-32: Communication interface pins (UART, SPI, I2C)
• Pins 33-40: GPIO pins
• Pins 41-48: Communication interface pins (USB, CAN, Ethernet)
• Pins 49-56: GPIO pins
• Pins 57-64: Power supply and ground pins

Functional Features

• Low power consumption: The STM32L476RET6 is designed for energy-efficient applications, offering various low-power modes and peripherals optimized for power efficiency.
• High performance: With its ARM Cortex-M4 core running at up to 80 MHz, this microcontroller provides excellent processing power for demanding applications.
• Rich peripheral set: The STM32L476RET6 offers a wide range of peripherals, including UART, SPI, I2C, USB, CAN, Ethernet, and more, enabling seamless integration with various devices and communication protocols.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered applications. - High-performance ARM Cortex-M4 core enables efficient execution of complex tasks. - Rich peripheral set allows for versatile connectivity options.

Disadvantages: - Limited flash memory and RAM compared to some other microcontrollers in the same category. - Higher cost compared to entry-level microcontrollers.

Working Principles

The STM32L476RET6 operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory and utilizes its peripherals to perform various tasks. The microcontroller communicates with external devices through its communication interfaces and interacts with the environment through its GPIO pins and analog inputs.

Detailed Application Field Plans

The STM32L476RET6 is widely used in various application fields, including but not limited to: - Internet of Things (IoT) devices - Wearable technology - Home automation systems - Industrial automation - Consumer electronics

Alternative Models

• STM32L476RGT6: Similar to STM32L476RET6 but with different pin configuration.
• STM32L476VET6: Variant with extended temperature range.
• STM32L476JET6: Variant with additional cryptographic acceleration hardware.

These alternative models offer similar functionality and can be considered as replacements depending on specific project requirements.

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