EFM32LG842F64-QFP64T

Product Overview

Category

The EFM32LG842F64-QFP64T 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: The EFM32LG842F64-QFP64T is known for its energy efficiency, making it suitable for battery-powered devices.
• High performance: With a 32-bit ARM Cortex-M3 processor, this microcontroller offers fast processing capabilities.
• Rich peripheral set: It features a wide range of peripherals such as UART, SPI, I2C, ADC, and timers, enabling versatile connectivity and functionality.
• Extensive memory: The microcontroller has 64KB of Flash memory and 8KB of RAM, providing ample space for program storage and data handling.
• Small form factor: Packaged in a QFP64T package, it is compact and suitable for space-constrained designs.

Package and Quantity

The EFM32LG842F64-QFP64T is available in a Quad Flat Package (QFP) with 64 pins. It is typically sold in reels or trays, with quantities varying based on customer requirements.

Specifications

• Microcontroller core: ARM Cortex-M3
• Clock frequency: Up to 48 MHz
• Flash memory: 64KB
• RAM: 8KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 51
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C
• Timers: 4 x 16-bit, 1 x 32-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG842F64-QFP64T microcontroller has a total of 64 pins. The pin configuration is as follows:

(Pin diagram or table showing pin number, pin name, and function)

Functional Features

Low Power Modes

The EFM32LG842F64-QFP64T offers various low power modes, including sleep, deep sleep, and shut-off mode. These modes allow the microcontroller to conserve energy when not actively processing tasks.

Peripherals

This microcontroller provides a wide range of peripherals, including UART, SPI, I2C, and ADC. These peripherals enable seamless communication with external devices and sensors, expanding the functionality of the embedded system.

Real-Time Clock (RTC)

The built-in RTC module allows accurate timekeeping and enables applications that require precise timing or scheduling.

Security Features

The EFM32LG842F64-QFP64T incorporates security features such as a unique device identifier (UDID) and a hardware cryptographic accelerator. These features enhance the security of the system and protect against unauthorized access or tampering.

Advantages and Disadvantages

Advantages

• Energy-efficient design prolongs battery life in portable devices.
• High-performance ARM Cortex-M3 processor enables fast and efficient data processing.
• Rich peripheral set enhances connectivity and functionality.
• Compact form factor suits space-constrained designs.
• Security features provide protection against unauthorized access.

Disadvantages

• Limited Flash memory and RAM capacity may restrict the complexity of applications.
• Availability of alternative models with more advanced features might be a consideration for specific use cases.

Working Principles

The EFM32LG842F64-QFP64T operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its Flash memory, utilizing the available peripherals to interact with external devices and sensors. The microcontroller's clock frequency determines the speed at which it processes instructions and handles data.

Detailed Application Field Plans

The EFM32LG842F64-QFP64T microcontroller finds applications in various fields, including: - Home automation systems - Wearable devices - Industrial control systems - Smart energy management - Medical devices - Internet of Things (IoT) applications

Alternative Models

For those seeking alternative models with different specifications or additional features, the following microcontrollers can be considered: - EFM32GG11B820F2048GM64-BGA112: Offers higher Flash memory capacity and more I/O pins. - STM32F407VGT6-LQFP100: Provides a larger package size and additional communication interfaces. - PIC32MZ2048EFH144-I/PT: Features a higher clock frequency and increased RAM capacity.

These alternative models cater to specific requirements and offer flexibility in choosing the most suitable microcontroller for a particular application.

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