STM32L452REY6PTR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, and low-power applications
• Characteristics:
  • Low power consumption
  • High performance
  • Rich peripheral set
  • Secure boot and secure firmware update capabilities
• Package: LQFP64
• Essence: ARM Cortex-M4 core microcontroller with integrated Flash memory and peripherals
• Packaging/Quantity: Tray, 490 units per tray

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 512 KB
• SRAM: 160 KB
• Operating Voltage Range: 1.71 V to 3.6 V
• Operating Temperature Range: -40°C to +85°C
• I/Os: Up to 51
• Communication Interfaces: UART, SPI, I2C, USB, CAN, etc.
• Analog-to-Digital Converter (ADC): Up to 16 channels, 12-bit resolution
• Timers: General-purpose timers, advanced-control timers, watchdog timer, etc.

Pin Configuration

The STM32L452REY6PTR 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
• Rich set of timers for precise timing control
• Analog peripherals for sensor interfacing
• Integrated bootloader for easy firmware updates

Advantages and Disadvantages

Advantages: - Low power consumption enables longer battery life in portable devices - High-performance ARM Cortex-M4 core for efficient processing - Secure boot and secure firmware update capabilities enhance system security - Rich peripheral set allows for versatile application development

Disadvantages: - Limited Flash memory size compared to some other microcontrollers - Relatively higher cost compared to entry-level microcontrollers

Working Principles

The STM32L452REY6PTR microcontroller operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its Flash memory, interacts with peripherals, and communicates with external devices through various interfaces. The microcontroller can be programmed using software development tools and libraries provided by STMicroelectronics.

Detailed Application Field Plans

The STM32L452REY6PTR microcontroller is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Wearable electronics - Home automation systems - Industrial control systems - Internet of Things (IoT) devices - Medical devices - Smart agriculture systems

Alternative Models

• STM32L432KCU6: Similar features and performance, different package (UFQFPN32)
• STM32L476RGT6: Higher Flash memory capacity, more I/Os, advanced peripherals
• STM32L011F3P6: Lower-cost option with reduced features and performance

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of available options.

This encyclopedia entry provides an overview of the STM32L452REY6PTR microcontroller, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.