STM32L476RCT6TR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: Low power consumption, high performance, rich peripherals
• Package: LQFP64
• Essence: ARM Cortex-M4 32-bit RISC core
• Packaging/Quantity: Tape and reel, 2500 pieces per reel

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 1 MB
• RAM: 128 KB
• Operating Voltage: 1.71V to 3.6V
• Digital I/O Pins: 51
• Analog Input Channels: 16
• Communication Interfaces: UART, SPI, I2C, USB, CAN, Ethernet
• ADC Resolution: 12-bit
• Timers: 16-bit and 32-bit timers
• DMA Channels: 12
• Power Consumption: Ultra-low power mode with less than 1 µA standby current

Pin Configuration

The STM32L476RCT6TR microcontroller has a total of 64 pins arranged in a Low Quad Flat Package (LQFP). The pinout diagram is as follows:

Pin descriptions:

• VDD: Supply voltage
• GND: Ground
• GPIOx: General-purpose input/output pins
• USARTx: Universal synchronous/asynchronous receiver-transmitter pins
• SPIx: Serial peripheral interface pins
• I2Cx: Inter-integrated circuit pins
• USB: Universal Serial Bus pins
• CANx: Controller Area Network pins
• ETH: Ethernet pins
• ADCx: Analog-to-digital converter pins
• TIMx: Timer pins
• DMAx: Direct memory access pins

Functional Features

• Low power consumption for extended battery life in portable devices
• High-performance ARM Cortex-M4 core for efficient processing
• Rich set of peripherals for versatile applications
• Flexible communication interfaces for connectivity options
• Advanced analog-to-digital converter for accurate sensor measurements
• Timers and DMA channels for precise timing and data transfer operations

Advantages and Disadvantages

Advantages: - Ultra-low power consumption extends battery life - High-performance ARM Cortex-M4 core enables complex applications - Rich peripheral set provides flexibility in design - Wide range of communication interfaces for connectivity options

Disadvantages: - Limited availability of alternative models with similar specifications - Higher cost compared to some other microcontrollers in the market

Working Principles

The STM32L476RCT6TR microcontroller is based on the ARM Cortex-M4 32-bit RISC core. It operates at a clock speed of up to 80 MHz and features low power consumption, making it suitable for battery-powered applications. The microcontroller integrates various peripherals such as UART, SPI, I2C, USB, CAN, Ethernet, ADC, timers, and DMA channels, providing a wide range of functionalities for different application requirements.

The microcontroller executes instructions stored in its flash memory and interacts with external devices through its digital I/O pins and communication interfaces. It can perform tasks such as data acquisition, processing, and communication, enabling the development of embedded systems, IoT devices, and consumer electronics.

Detailed Application Field Plans

The STM32L476RCT6TR microcontroller finds applications in various fields, including:

1. IoT Devices: It can be used in smart home automation systems, wearable devices, and industrial IoT applications.
2. Consumer Electronics: It is suitable for developing energy-efficient appliances, remote controls, and portable devices.
3. Industrial Automation: It can be utilized in industrial control systems, motor control applications, and monitoring devices.
4. Healthcare: It can be employed in medical devices, patient monitoring systems, and wearable health trackers.
5. Automotive: It can be integrated into automotive electronics for functions like infotainment systems and vehicle diagnostics.

Alternative Models

While the STM32L476RCT6TR microcontroller offers a unique combination of features, there are alternative models available with similar specifications. Some alternatives to consider are:

1. NXP LPC54608: ARM Cortex-M4 core, 180 MHz clock speed, 512 KB flash memory, 200 KB RAM.
2. Texas Instruments MSP432P401R: ARM Cortex-M4 core, 48 MHz clock speed, 256 KB flash memory, 64 KB RAM.
3. Microchip SAMD21G18A: ARM Cortex-M0+ core, 48 MHz clock speed, 256 KB flash memory, 32 KB RAM.

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

In conclusion, the STM32L476RCT6TR microcontroller is a versatile and power-efficient device suitable for a wide range of applications