EFM32LG940F256G-E-QFN64R

Product Overview

Category

The EFM32LG940F256G-E-QFN64R belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 32-bit microcontroller
• Low power consumption
• Integrated peripherals for enhanced functionality
• Extensive memory capacity
• Compact package size (QFN64R)
• Robust design for reliable operation

Package

The EFM32LG940F256G-E-QFN64R is packaged in a QFN64R package, which stands for Quad Flat No-Lead 64-pin package with a reduced footprint.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of applications.

Packaging/Quantity

The EFM32LG940F256G-E-QFN64R is typically available in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

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

Detailed Pin Configuration

The EFM32LG940F256G-E-QFN64R microcontroller has a total of 64 pins. The pin configuration is as follows:

(Pin diagram here)

Functional Features

• High-performance ARM Cortex-M3 core for efficient processing
• Low power consumption for extended battery life
• Integrated peripherals such as UART, SPI, I2C, and USB for versatile communication options
• Ample memory capacity for storing program code and data
• Multiple timers/counters for precise timing and event handling
• Analog inputs for interfacing with sensors and other analog devices

Advantages and Disadvantages

Advantages

• High-performance capabilities enable complex applications
• Low power consumption extends battery life in portable devices
• Compact package size allows for space-efficient designs
• Integrated peripherals reduce the need for external components
• Ample memory capacity accommodates large programs and data sets

Disadvantages

• Limited number of digital I/O pins may restrict the number of external devices that can be connected directly
• Operating temperature range may not be suitable for extreme environments

Working Principles

The EFM32LG940F256G-E-QFN64R microcontroller operates based on the principles of the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory, processes data, and communicates with external devices through its integrated peripherals. The microcontroller's clock frequency determines the speed at which it performs these operations.

Detailed Application Field Plans

The EFM32LG940F256G-E-QFN64R microcontroller finds applications in various fields, including but not limited to: - Industrial automation - Internet of Things (IoT) devices - Consumer electronics - Medical devices - Automotive systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the EFM32LG940F256G-E-QFN64R microcontroller include: - STM32F407VG - ARM Cortex-M4-based microcontroller with higher clock frequency and more advanced features - PIC32MX795F512L - Microchip microcontroller with similar capabilities and a different pin configuration - MSP430F5529 - Texas Instruments microcontroller with lower power consumption and a different package size

These alternative models can be considered based on specific project requirements and design constraints.

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