STM32L476JEY6VTR

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 microcontroller
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 1 MB
• RAM: 128 KB
• Operating Voltage: 1.71 V to 3.6 V
• Digital I/O Pins: 51
• Analog Input Pins: 16
• Communication Interfaces: UART, SPI, I2C, USB, CAN
• Timers: 16-bit and 32-bit timers
• ADC Resolution: 12-bit
• DMA Channels: 12
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The STM32L476JEY6VTR microcontroller has a total of 64 pins. The pin configuration is as follows:

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

Functional Features

• Low power consumption: The STM32L476JEY6VTR is designed for low-power applications, making it suitable for battery-powered devices.
• High performance: With its ARM Cortex-M4 core and clock speed of up to 80 MHz, the microcontroller offers excellent processing capabilities.
• Rich peripheral set: The microcontroller provides a wide range of communication interfaces, timers, and analog-to-digital converters, enabling versatile application development.
• Advanced power management: It incorporates various power-saving modes and features to optimize energy efficiency.
• Security features: The microcontroller includes hardware cryptographic accelerators and secure boot capabilities for enhanced system security.

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 simplifies connectivity and integration with other devices. - Advanced power management features optimize energy usage. - Security features enhance system protection against unauthorized access.

Disadvantages: - Limited availability of alternative models with similar specifications. - Higher cost compared to some other microcontrollers in the market. - Steeper learning curve for beginners due to the complexity of the ARM architecture.

Working Principles

The STM32L476JEY6VTR operates based on the ARM Cortex-M4 architecture. It executes instructions fetched from the flash memory using the CPU core. The microcontroller interacts with external devices through its various communication interfaces, such as UART, SPI, I2C, USB, and CAN. It can read analog signals from sensors using its analog input pins and perform analog-to-digital conversion. The microcontroller's timers enable precise timing and synchronization of events. Its advanced power management features help optimize power consumption based on the application requirements.

Detailed Application Field Plans

The STM32L476JEY6VTR microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: It can be used in IoT devices for data acquisition, sensor interfacing, and wireless communication.
2. Consumer electronics: The microcontroller is suitable for developing energy-efficient and high-performance consumer electronic devices such as smartwatches, fitness trackers, and home automation systems.
3. Industrial automation: It can be utilized in industrial automation systems for control and monitoring purposes.
4. Medical devices: The microcontroller's low power consumption and advanced features make it suitable for medical devices like portable health monitors and wearable medical gadgets.

Detailed and Complete Alternative Models

While the STM32L476JEY6VTR offers a unique combination of features, there are alternative microcontrollers available with similar capabilities. Some notable alternatives include:

1. Atmel SAMD21G18A: This microcontroller also features an ARM Cortex-M0+ core, low power consumption, and a rich peripheral set.
2. NXP LPC54608: It offers an ARM Cortex-M4 core, high performance, and a wide range of communication interfaces.
3. Texas Instruments MSP432P401R: This microcontroller combines an ARM Cortex-M4 core with low power consumption and extensive analog and digital peripherals.

These alternative models provide options for developers based on their specific requirements and preferences.

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