STM32L452VEI3

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: Low power consumption, high performance, rich peripheral set
• Package: LQFP64
• Essence: ARM Cortex-M4 core with floating-point unit (FPU)
• Packaging/Quantity: Tray packaging, 250 units per tray

Specifications

• Microcontroller Family: STM32L4
• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 512 KB
• RAM: 160 KB
• Operating Voltage: 1.71V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Digital I/O Pins: 51
• Analog Input Channels: 16
• Communication Interfaces: UART, SPI, I2C, USB, CAN, SDIO
• Timers: 14
• ADC Resolution: 12-bit
• DMA Channels: 8
• Power Consumption: Ultra-low power mode with less than 0.7 μA in standby

Pin Configuration

The STM32L452VEI3 microcontroller has a total of 64 pins. The pin configuration is as follows:

• GPIO pins: PA0 to PA15, PB0 to PB15, PC0 to PC15, PD0 to PD2, PE0 to PE15
• Analog input pins: PC0 to PC5, PF3, PF4, PF5, PF6, PF7, PF8, PF9, PF10, PF11, PF12, PF13, PF14, PF15

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

Functional Features

• Low power consumption: The STM32L452VEI3 is designed for energy-efficient applications, offering multiple low-power modes and peripherals optimized for low power consumption.
• High performance: With its ARM Cortex-M4 core running at up to 80 MHz, this microcontroller provides excellent processing capabilities for demanding applications.
• Rich peripheral set: The STM32L452VEI3 offers a wide range of communication interfaces, timers, ADCs, and other peripherals, enabling versatile connectivity and functionality.
• Secure boot and memory protection: Built-in security features protect the system against unauthorized access and ensure the integrity of the code and data stored in the microcontroller's memory.

Advantages and Disadvantages

Advantages: - Low power consumption enables longer battery life in portable devices. - High-performance ARM Cortex-M4 core allows for efficient execution of complex tasks. - Rich peripheral set provides flexibility in designing various applications. - Secure boot and memory protection enhance system security.

Disadvantages: - Limited flash memory and RAM capacity may restrict the complexity of applications that can be implemented. - Higher cost compared to lower-end microcontrollers with similar specifications.

Working Principles

The STM32L452VEI3 microcontroller operates based on the ARM Cortex-M4 architecture. It executes instructions fetched from its flash memory and interacts with external devices through its various communication interfaces and peripherals. The microcontroller can be programmed using software development tools and libraries provided by STMicroelectronics.

Detailed Application Field Plans

The STM32L452VEI3 microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Its low power consumption and rich peripheral set make it suitable for IoT applications such as smart home devices, environmental monitoring systems, and wearable devices.
2. Consumer electronics: The microcontroller's high performance and connectivity options make it ideal for designing consumer electronics products like smart appliances, audio/video devices, and gaming peripherals.
3. Industrial automation: With its robust features and secure boot capabilities, the STM32L452VEI3 can be used in industrial automation systems, including control panels, motor drives, and sensor interfaces.

Detailed and Complete Alternative Models

• STM32L432KC
• STM32L476RG
• STM32L496AG
• STM32L4R5ZI

These alternative models offer similar features and capabilities to the STM32L452VEI3 microcontroller, providing flexibility in choosing the most suitable option for specific applications.

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