STM32L476JGY6UTR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, and other applications requiring low power consumption and high performance.
• Characteristics:
  • Low power consumption
  • High performance
  • Rich peripheral set
  • Secure boot and secure firmware update
  • Flexible power supply options
• Package: LQFP64
• Essence: The STM32L476JGY6UTR is a microcontroller designed for low-power applications that require high processing capabilities.
• Packaging/Quantity: Tray, 490 units per tray

Specifications

• Core: ARM Cortex-M4F
• Clock speed: Up to 80 MHz
• Flash memory: 1 MB
• SRAM: 128 KB
• Operating voltage: 1.71V to 3.6V
• Operating temperature range: -40°C to +85°C
• GPIO pins: 51
• Analog inputs: 16
• Communication interfaces: UART, SPI, I2C, USB, CAN, Ethernet
• Timers: 16-bit and 32-bit timers available
• DMA channels: 12
• ADC resolution: Up to 16 bits
• Power modes: Multiple low-power modes available

Detailed Pin Configuration

The STM32L476JGY6UTR has a total of 64 pins in the LQFP package. Here is a brief overview of the pin configuration:

• Pins 1-8: General-purpose I/O pins
• Pins 9-16: Analog input pins
• Pins 17-24: Communication interface pins (UART, SPI, I2C)
• Pins 25-32: Timer and PWM output pins
• Pins 33-40: Power supply and ground pins
• Pins 41-48: Additional I/O pins
• Pins 49-56: External interrupt input pins
• Pins 57-64: Reserved for future use

For a detailed pinout diagram and more information, please refer to the STM32L476JGY6UTR datasheet.

Functional Features

• Low-power modes: The microcontroller offers various low-power modes, allowing efficient power management and extended battery life.
• Rich peripheral set: The STM32L476JGY6UTR provides a wide range of peripherals, including UART, SPI, I2C, USB, CAN, and Ethernet, enabling seamless communication with other devices.
• Secure boot and firmware update: The microcontroller supports secure boot and secure firmware update mechanisms, ensuring the integrity and authenticity of the software running on the device.
• Flexible power supply options: It can operate from a wide voltage range (1.71V to 3.6V) and supports multiple power supply sources, making it suitable for various applications.
• High-performance processing: With an ARM Cortex-M4F core running at up to 80 MHz, the microcontroller delivers excellent computational capabilities.

Advantages and Disadvantages

Advantages: - Low power consumption - High performance - Rich peripheral set - Secure boot and firmware update - Flexible power supply options

Disadvantages: - Limited number of GPIO pins compared to some other microcontrollers in the same category - Higher cost compared to entry-level microcontrollers

Working Principles

The STM32L476JGY6UTR operates based on the ARM Cortex-M4F architecture. It executes instructions stored in its flash memory and interacts with external devices through its various peripherals. The microcontroller can enter different low-power modes to conserve energy when not actively processing tasks. It uses interrupts and timers to handle events and perform time-critical operations.

Detailed Application Field Plans

The STM32L476JGY6UTR is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Wearable devices - Home automation systems - Industrial control systems - Internet of Things (IoT) devices - Sensor networks

Detailed and Complete Alternative Models

Some alternative microcontrollers that can be considered as alternatives to the STM32L476JGY6UTR are:

1. Atmel SAMD21G18A: A low-power microcontroller with similar features and performance.
2. NXP LPC54608: Another ARM Cortex-M4F based microcontroller offering high performance and rich peripherals.
3. Texas Instruments MSP432P401R: A low-power microcontroller with an ARM Cortex-M4F core and extensive peripheral set.

These alternative models provide similar functionalities and can be used as replacements depending on specific project requirements.

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