STM32L452CEU6

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 capabilities
• Package: LQFP64
• Essence: Advanced microcontroller with low power features
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Core: Arm® Cortex®-M4 32-bit RISC
• 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
• GPIO Pins: 51
• Communication Interfaces: USART, SPI, I2C, USB, CAN, etc.
• Analog-to-Digital Converter (ADC): 12-bit, up to 16 channels
• Timers: General-purpose timers, advanced-control timers, watchdog timer, etc.

Pin Configuration

The STM32L452CEU6 microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pin 1: VDD
• Pin 2: PC13
• Pin 3: PC14
• ...
• Pin 62: PA15
• Pin 63: VSSA
• Pin 64: VDDA

For the complete pinout diagram, refer to the datasheet provided by the manufacturer.

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 temperature sensor

Advantages and Disadvantages

Advantages: - Low power consumption enables longer battery life in portable devices - High-performance Cortex-M4 core allows for complex applications - Secure boot and firmware update capabilities enhance system security - Rich peripheral set provides flexibility in system design

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

Working Principles

The STM32L452CEU6 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 can be powered by a voltage range of 1.71 V to 3.6 V.

The microcontroller executes instructions stored in its flash memory and interacts with various peripherals and sensors through its GPIO pins and communication interfaces. It can communicate with external devices using USART, SPI, I2C, USB, CAN, and other protocols.

The low-power modes of the STM32L452CEU6 allow it to minimize energy consumption during idle or low activity periods, making it suitable for battery-powered applications.

Detailed Application Field Plans

The STM32L452CEU6 microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: The low power consumption and rich peripheral set make it ideal for IoT applications such as smart home devices, environmental monitoring systems, and wearable devices.
2. Consumer electronics: The high-performance capabilities and secure features make it suitable for consumer electronics products like smartphones, tablets, and gaming consoles.
3. Industrial automation: The microcontroller's robustness, communication interfaces, and real-time capabilities make it suitable for industrial automation systems, including control panels, motor drives, and PLCs.
4. Medical devices: The low power consumption and secure boot capabilities make it suitable for medical devices such as patient monitoring systems, portable diagnostic devices, and infusion pumps.

Detailed and Complete Alternative Models

1. STM32L476RGT6: Similar to STM32L452CEU6 but with higher flash memory capacity (1 MB) and more GPIO pins (80).
2. STM32L432KC: Lower-cost alternative with reduced flash memory (256 KB) and fewer peripherals, suitable for simpler applications.
3. STM32F407VGT6: Higher-performance alternative with a faster clock speed (up to 168 MHz) and more RAM (192 KB), suitable for demanding applications.

These alternative models provide options with varying features and price points, allowing developers to choose the most suitable microcontroller for their specific application requirements.

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