STM32L471VGT6

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, low-power applications
• Characteristics: Ultra-low power consumption, high performance, rich peripheral set
• Package: LQFP100
• Essence: ARM Cortex-M4 32-bit RISC core

The STM32L471VGT6 is a microcontroller belonging to the STM32L4 series developed by STMicroelectronics. It is designed for use in embedded systems, Internet of Things (IoT) devices, and other low-power applications. The microcontroller offers a wide range of features and capabilities, making it suitable for various applications.

Specifications

• Core: ARM Cortex-M4 32-bit RISC core running at up to 80 MHz
• Memory: 1 MB Flash memory, 128 KB SRAM
• Operating Voltage: 1.71 V to 3.6 V
• Power Consumption: Ultra-low power mode with down to 33 nA in standby mode
• Peripherals: Multiple communication interfaces (UART, SPI, I2C), analog-to-digital converter (ADC), timers, DMA controller, etc.
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The STM32L471VGT6 microcontroller comes in a LQFP100 package. It has a total of 100 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-8: General-purpose I/O (GPIO)
• Pins 9-16: Analog input channels
• Pins 17-24: Communication interfaces (UART, SPI, I2C)
• Pins 25-32: Timers and PWM outputs
• Pins 33-40: External interrupt inputs
• Pins 41-48: Power supply and ground pins
• Pins 49-56: USB interface and power management
• Pins 57-64: Analog-to-digital converter (ADC) channels
• Pins 65-72: Debug and programming interfaces
• Pins 73-80: Clock and oscillator connections
• Pins 81-88: Reset and boot configuration
• Pins 89-96: External memory interface
• Pins 97-100: Reserved

Functional Features

The STM32L471VGT6 microcontroller offers a wide range of functional features, including:

1. Ultra-low Power Consumption: The microcontroller is designed to operate in low-power modes, making it suitable for battery-powered applications.
2. High Performance: With its ARM Cortex-M4 core running at up to 80 MHz, the microcontroller provides high processing power for demanding applications.
3. Rich Peripheral Set: It includes various communication interfaces, timers, ADC, DMA controller, and other peripherals, enabling seamless integration with external devices.
4. Flexible Operating Voltage: The microcontroller can operate within a wide voltage range, allowing compatibility with different power supply configurations.
5. Extensive Memory: It offers 1 MB of Flash memory for program storage and 128 KB of SRAM for data storage.

Advantages and Disadvantages

Advantages: - Ultra-low power consumption enables energy-efficient designs. - High-performance ARM Cortex-M4 core allows for complex computations. - Rich peripheral set facilitates easy integration with external devices. - Flexible operating voltage range enhances compatibility. - Extensive memory capacity supports large-scale applications.

Disadvantages: - Limited pin count may restrict the number of external devices that can be connected simultaneously. - Higher cost compared to lower-end microcontrollers with fewer features.

Working Principles

The STM32L471VGT6 microcontroller operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its Flash memory and interacts with various peripherals to perform specific tasks. The microcontroller can be programmed using software development tools, allowing developers to create custom applications.

Application Field Plans

The STM32L471VGT6 microcontroller finds applications in various fields, including:

1. IoT Devices: Its low power consumption and rich peripheral set make it suitable for IoT devices such as smart home systems, wearables, and environmental monitoring devices.
2. Industrial Automation: The microcontroller's high performance and extensive memory capacity enable it to handle complex control algorithms in industrial automation systems.
3. Medical Devices: Its low power consumption and precise analog-to-digital conversion capabilities make it ideal for medical devices like patient monitors and portable diagnostic equipment.
4. Consumer Electronics: The microcontroller's flexibility and compatibility make it suitable for a wide range of consumer electronics, including smart appliances, audio systems, and gaming consoles.

Alternative Models

• STM32L476VGT6: Similar to STM32L471VGT6 but with additional features such as more Flash memory and advanced security