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STM32L462REY6TR

STM32L462REY6TR

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, Internet of Things (IoT) devices
  • Characteristics: Low power consumption, high performance, rich peripherals
  • Package: LQFP64
  • Essence: ARM Cortex-M4 core microcontroller
  • Packaging/Quantity: Tape and reel, 2500 pieces per reel

Specifications

  • Core: ARM Cortex-M4
  • Clock Speed: Up to 80 MHz
  • Flash Memory: 512 KB
  • RAM: 160 KB
  • Operating Voltage: 1.71V to 3.6V
  • Digital I/O Pins: 51
  • Analog Inputs: 12-bit ADC with up to 16 channels
  • Communication Interfaces: UART, SPI, I2C, USB, CAN
  • Timers: 16-bit and 32-bit timers
  • Power Consumption: Ultra-low power mode with less than 1 µA standby current

Detailed Pin Configuration

The STM32L462REY6TR microcontroller has a total of 64 pins. The pin configuration is as follows:

  • GPIO Pins: 51 pins for general-purpose input/output
  • Analog Pins: 16 pins for analog inputs
  • Power Pins: VDD, VSS, VBAT, VREF, etc.
  • Communication Pins: UART, SPI, I2C, USB, CAN pins

For a detailed pinout diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

  • Low power consumption: The STM32L462REY6TR is designed for energy-efficient applications, making it suitable for battery-powered devices.
  • High performance: With an ARM Cortex-M4 core running at up to 80 MHz, this microcontroller offers excellent processing capabilities.
  • Rich peripherals: It provides a wide range of communication interfaces, timers, and analog inputs, enabling versatile connectivity and functionality.
  • Security features: The microcontroller includes hardware encryption and secure boot capabilities to protect sensitive data.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - High-performance core enables efficient execution of complex tasks. - Rich peripherals offer flexibility in designing various applications. - Security features enhance data protection.

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

Working Principles

The STM32L462REY6TR operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory and interacts with external devices through its various peripherals. The microcontroller can be programmed using software development tools and libraries provided by the manufacturer.

Detailed Application Field Plans

The STM32L462REY6TR is widely used in various applications, including but not limited to:

  1. Internet of Things (IoT) devices: It provides the necessary processing power and connectivity options for IoT applications such as smart home systems, industrial monitoring, and wearable devices.
  2. Embedded systems: The microcontroller is suitable for embedded systems that require low power consumption and high performance, such as medical devices, consumer electronics, and automotive applications.
  3. Sensor networks: Its rich peripherals and low power consumption make it ideal for sensor nodes in wireless sensor networks, enabling data collection and transmission in remote monitoring systems.

Detailed and Complete Alternative Models

Some alternative models to the STM32L462REY6TR microcontroller are:

  1. STM32L476RG: Similar to the STM32L462REY6TR, this microcontroller offers more flash memory and additional features such as a floating-point unit.
  2. STM32F407VG: This microcontroller belongs to a different series but provides higher clock speed, more RAM, and a larger number of peripherals.
  3. Atmel SAMD21G18A: An alternative microcontroller from a different manufacturer, offering similar features and low power consumption.

These alternative models can be considered based on specific project requirements and cost considerations.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací STM32L462REY6TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of STM32L462REY6TR in technical solutions:

  1. Q: What is the STM32L462REY6TR microcontroller used for? A: The STM32L462REY6TR is a low-power microcontroller designed for various applications, including IoT devices, wearables, and battery-powered systems.

  2. Q: What is the maximum clock frequency of the STM32L462REY6TR? A: The STM32L462REY6TR can operate at a maximum clock frequency of 80 MHz.

  3. Q: How much flash memory does the STM32L462REY6TR have? A: The STM32L462REY6TR has 512 KB of flash memory for program storage.

  4. Q: Can I connect external sensors to the STM32L462REY6TR? A: Yes, the STM32L462REY6TR has multiple GPIO pins that can be used to interface with external sensors and peripherals.

  5. Q: Does the STM32L462REY6TR support wireless communication protocols like Bluetooth or Wi-Fi? A: No, the STM32L462REY6TR does not have built-in support for wireless communication protocols. However, it can be used with external modules or ICs to enable wireless connectivity.

  6. Q: What is the power consumption of the STM32L462REY6TR in low-power modes? A: The STM32L462REY6TR is designed for low-power applications and offers several low-power modes, with power consumption as low as a few microamps.

  7. Q: Can I use the STM32L462REY6TR for real-time applications? A: Yes, the STM32L462REY6TR has a real-time clock (RTC) and supports various timers and interrupts, making it suitable for real-time applications.

  8. Q: What development tools are available for programming the STM32L462REY6TR? A: The STM32L462REY6TR can be programmed using popular Integrated Development Environments (IDEs) like Keil MDK or STM32CubeIDE. It also supports programming via ST-Link or JTAG interfaces.

  9. Q: Can I update the firmware of the STM32L462REY6TR in the field? A: Yes, the STM32L462REY6TR supports in-system programming (ISP), allowing firmware updates to be performed without removing the microcontroller from the system.

  10. Q: Are there any evaluation boards or development kits available for the STM32L462REY6TR? A: Yes, STMicroelectronics offers evaluation boards and development kits specifically designed for the STM32L462REY6TR, which provide a convenient platform for prototyping and development.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases.