STM32L476QEI6TR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics:
  • Low power consumption
  • High performance
  • Rich peripheral set
  • Secure boot and secure firmware update
• Package: LQFP64
• Essence: Advanced microcontroller with low power features
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 1 MB
• RAM: 128 KB
• Operating Voltage: 1.71V to 3.6V
• Digital I/O Pins: 51
• Analog Input Channels: 16
• Communication Interfaces: UART, SPI, I2C, USB, CAN, Ethernet
• ADC Resolution: 12-bit
• Timers: 16-bit and 32-bit timers available
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The STM32L476QEI6TR microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: GPIO or alternate functions
• Pins 9-16: GPIO or alternate functions
• Pins 17-24: GPIO or alternate functions
• Pins 25-32: GPIO or alternate functions
• Pins 33-40: GPIO or alternate functions
• Pins 41-48: GPIO or alternate functions
• Pins 49-56: GPIO or alternate functions
• Pins 57-64: GPIO or alternate functions

Functional Features

• Low power modes for energy-efficient operation
• Hardware encryption and decryption support
• Real-time clock (RTC) with calendar and alarm functions
• DMA controller for efficient data transfer
• Multiple communication interfaces for connectivity options
• Advanced analog features including ADC and DAC
• Flexible timers for precise timing control
• Integrated temperature sensor

Advantages and Disadvantages

Advantages: - Low power consumption enables longer battery life - High-performance ARM Cortex-M4 core for efficient processing - Rich peripheral set allows for versatile applications - Secure boot and firmware update ensure system security

Disadvantages: - Limited availability of pins for larger projects - Higher cost compared to some other microcontrollers in the market

Working Principles

The STM32L476QEI6TR microcontroller is based on the ARM Cortex-M4 core, which provides high performance and low power consumption. It operates at a clock speed of up to 80 MHz and has a range of integrated peripherals for various applications. The microcontroller can be programmed using software development tools and supports different programming languages.

Detailed Application Field Plans

The STM32L476QEI6TR microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Enables connectivity and control in smart home systems, industrial automation, and wearable devices.
2. Consumer electronics: Used in portable devices, such as smartphones, tablets, and digital cameras, for efficient processing and power management.
3. Industrial control systems: Provides real-time control and monitoring capabilities in manufacturing processes and automation systems.
4. Medical devices: Used in medical equipment for data acquisition, signal processing, and control functions.
5. Energy management: Enables energy-efficient control and monitoring in smart grid systems and renewable energy solutions.

Detailed and Complete Alternative Models

Some alternative models to the STM32L476QEI6TR microcontroller are:

1. STM32F407VGT6: Similar features with higher flash memory and RAM capacity.
2. PIC32MZ2048EFH144: Microcontroller from Microchip with comparable performance and peripheral set.
3. LPC54608J512ET180: NXP microcontroller with similar power efficiency and communication interfaces.

These alternative models offer different trade-offs in terms of cost, availability, and specific features, allowing developers to choose the most suitable option for their application requirements.

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