STM32L431CCY6TR

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 32-bit RISC core
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Operating Voltage: 1.71V to 3.6V
• I/O Pins: 51
• Communication Interfaces: UART, SPI, I2C, USB
• Analog-to-Digital Converter (ADC): 12-bit, up to 16 channels
• Timers: 16-bit and 32-bit timers, PWM output
• Low Power Modes: Sleep, Stop, Standby

Pin Configuration

The STM32L431CCY6TR microcontroller has a total of 64 pins. The pin configuration is as follows:

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

Functional Features

• Low power consumption for extended battery life in portable devices
• High-performance ARM Cortex-M4 core for efficient processing
• Rich peripheral set for versatile application development
• Flexible communication interfaces for seamless connectivity
• Analog-to-Digital Converter (ADC) for precise analog measurements
• Timers and PWM output for accurate timing control
• Multiple low power modes for optimized energy efficiency

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• High-performance ARM Cortex-M4 core enables efficient processing.
• Rich peripheral set allows for versatile application development.
• Flexible communication interfaces provide seamless connectivity.

Disadvantages

• Limited flash memory and RAM compared to higher-end microcontrollers.
• LQFP64 package may not be suitable for space-constrained designs.

Working Principles

The STM32L431CCY6TR microcontroller operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory, utilizing its rich peripheral set to interact with external devices. The microcontroller can communicate with other devices through various interfaces such as UART, SPI, I2C, and USB. It also includes an ADC for analog signal conversion and timers for precise timing control. The low power modes allow the microcontroller to conserve energy when not actively processing data.

Application Field Plans

The STM32L431CCY6TR microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Enables connectivity and control in smart home systems, industrial automation, and environmental monitoring.
2. Consumer electronics: Powers wearable devices, fitness trackers, and remote controls.
3. Embedded systems: Used in automotive electronics, medical devices, and industrial control systems.

Alternative Models

• STM32L432KC
• STM32L433CCU6
• STM32L476RGT6
• STM32L486RG

These alternative models offer similar features and capabilities to the STM32L431CCY6TR microcontroller, providing options for different project requirements.

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