EFM32LG842F64G-E-QFP64

Product Overview

Category

The EFM32LG842F64G-E-QFP64 belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications, including but not limited to consumer electronics, industrial automation, and Internet of Things (IoT) devices.

Characteristics

• Low power consumption
• High performance
• Integrated peripherals
• Small form factor
• Robust security features

Package

The EFM32LG842F64G-E-QFP64 comes in a Quad Flat Package (QFP) with 64 pins.

Essence

The essence of this microcontroller lies in its ability to provide efficient processing power while consuming minimal energy, making it suitable for battery-powered devices.

Packaging/Quantity

The EFM32LG842F64G-E-QFP64 is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Core: ARM Cortex-M3
• Clock Speed: Up to 48 MHz
• Flash Memory: 64 KB
• RAM: 8 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 EFM32LG842F64G-E-QFP64 has a total of 64 pins, each serving a specific purpose. The pin configuration includes digital I/O pins, analog input channels, communication interfaces, and power supply pins. For a detailed pinout diagram and description, refer to the product datasheet.

Functional Features

• Low Energy Modes: The microcontroller offers various low energy modes, allowing for efficient power management and extended battery life.
• Integrated Peripherals: It includes a wide range of peripherals such as UART, SPI, I2C, USB, timers, and an ADC, enabling seamless integration with external devices.
• Security Features: The EFM32LG842F64G-E-QFP64 incorporates security features like AES encryption and a unique device identifier (ID), ensuring data integrity and protection against unauthorized access.

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life.
• High-performance ARM Cortex-M3 core enables efficient processing.
• Integrated peripherals simplify system design and reduce external component count.
• Robust security features protect sensitive data.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• Availability of alternative models with higher specifications may limit scalability.

Working Principles

The EFM32LG842F64G-E-QFP64 operates on the principle of executing instructions stored in its flash memory. The ARM Cortex-M3 core processes these instructions, interacting with the integrated peripherals and external devices through various communication interfaces. The microcontroller's low energy modes and power management techniques ensure optimal energy utilization.

Detailed Application Field Plans

The EFM32LG842F64G-E-QFP64 finds application in a wide range of fields, including: 1. Consumer Electronics: Smart home devices, wearable technology, and portable gadgets. 2. Industrial Automation: Control systems, motor drives, and monitoring equipment. 3. Internet of Things (IoT): Connected sensors, smart meters, and remote monitoring devices.

Detailed and Complete Alternative Models

• EFM32GG11B820F2048GM64-BGA112: Higher flash memory and RAM capacity, BGA package.
• EFM32PG12B500F1024GL125-QFP125: Enhanced performance, larger pin count, QFP package.
• EFM32WG380F256G-BGA112: Extensive peripheral set, BGA package.

These alternative models offer varying specifications and features to cater to different application requirements.

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