EFM32LG940F256-QFN64T

Product Overview

Category

The EFM32LG940F256-QFN64T belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications that require low power consumption and high performance.

Characteristics

• Low power consumption
• High performance
• Small form factor
• Integrated peripherals
• Rich set of features

Package

The EFM32LG940F256-QFN64T comes in a QFN64 package, which stands for Quad Flat No-Lead with 64 pins.

Essence

The essence of this microcontroller lies in its ability to provide efficient processing capabilities while consuming minimal power.

Packaging/Quantity

The EFM32LG940F256-QFN64T is typically packaged in reels or trays, and the quantity per package depends on the manufacturer's specifications.

Specifications

• Microcontroller core: ARM Cortex-M3
• Clock speed: Up to 48 MHz
• Flash memory: 256 KB
• RAM: 32 KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 51
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C, USB
• Timers: 4 x 16-bit, 2 x 32-bit
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG940F256-QFN64T has a total of 64 pins, each serving a specific purpose. The pin configuration includes digital I/O pins, analog input pins, power supply pins, ground pins, and communication interface pins. For a detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Low power modes for energy-efficient operation
• Integrated peripherals for enhanced functionality
• High-performance ARM Cortex-M3 core for efficient processing
• Rich set of communication interfaces for seamless connectivity
• Flexible timers for precise timing requirements
• Analog-to-digital converter for accurate analog signal measurements

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life in portable applications.
• High-performance core allows for efficient execution of complex tasks.
• Integrated peripherals reduce the need for external components, saving cost and board space.
• Wide operating voltage range provides flexibility in different power supply scenarios.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications that can be implemented.
• The QFN64 package may require specialized soldering techniques, making it less suitable for beginners or hobbyists.

Working Principles

The EFM32LG940F256-QFN64T operates based on the principles of a microcontroller. It executes instructions stored in its flash memory to perform various tasks. The ARM Cortex-M3 core handles the processing, while the integrated peripherals facilitate communication with external devices and provide additional functionality.

Detailed Application Field Plans

The EFM32LG940F256-QFN64T is well-suited for a wide range of embedded applications, including but not limited to: - Internet of Things (IoT) devices - Home automation systems - Wearable devices - Industrial control systems - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

• EFM32GG990F1024-BGA112: Similar to the EFM32LG940F256-QFN64T, this microcontroller offers higher flash memory capacity and more I/O pins.
• STM32F407VGT6-LQFP100: This microcontroller from STMicroelectronics provides similar features and performance, but in a different package and pin configuration.

Please note that the above alternative models are just examples, and there are many other microcontrollers available in the market with similar capabilities.

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