EFM32LG842F256G-E-QFP64R

Product Overview

Category

The EFM32LG842F256G-E-QFP64R 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 EFM32LG842F256G-E-QFP64R is known for its energy-efficient design, making it suitable for battery-powered applications.
• High performance: With a 32-bit ARM Cortex-M3 core, this microcontroller offers excellent 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 device has 256 KB Flash memory and 32 KB RAM, providing ample space for program storage and data handling.
• Robust package: The EFM32LG842F256G-E-QFP64R comes in a QFP64 package, which ensures reliable electrical connections and ease of integration into circuit boards.
• Essence: This microcontroller combines power efficiency, performance, and versatility, making it an ideal choice for diverse embedded applications.
• Packaging/Quantity: The EFM32LG842F256G-E-QFP64R 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: 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
• Timers: 4 x 16-bit, 2 x 32-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG842F256G-E-QFP64R microcontroller has a total of 64 pins. The pin configuration is as follows:

(Pin diagram or table illustrating the pin numbers and their corresponding functions)

Functional Features

Power Management

The EFM32LG842F256G-E-QFP64R incorporates advanced power management techniques, allowing for efficient energy utilization. It offers multiple low-power modes, enabling developers to optimize power consumption based on application requirements.

Peripherals

This microcontroller provides a rich set of peripherals, including UART, SPI, I2C, and ADC. These peripherals facilitate seamless communication with external devices and enable data acquisition from sensors or other analog sources.

Real-Time Clock (RTC)

The built-in RTC module ensures accurate timekeeping, making it suitable for applications that require precise timing or scheduling functionality.

Security Features

The EFM32LG842F256G-E-QFP64R includes security features such as a hardware cryptographic accelerator and a unique device identifier (UDID). These features enhance the overall system security and protect against unauthorized access or tampering.

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable applications.
• High-performance ARM Cortex-M3 core enables efficient processing of complex tasks.
• Rich peripheral set allows for versatile connectivity and functionality.
• Ample memory capacity accommodates program storage and data handling requirements.
• Robust package ensures reliable electrical connections and ease of integration.

Disadvantages

• Limited number of digital I/O pins may restrict the complexity of certain projects.
• Higher cost compared to some lower-end microcontrollers with similar specifications.

Working Principles

The EFM32LG842F256G-E-QFP64R 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 or sensors. The microcontroller's power management features enable efficient energy utilization, while its real-time clock ensures accurate timekeeping.

Detailed Application Field Plans

The EFM32LG842F256G-E-QFP64R is well-suited for a wide range of applications, including: - Home automation systems - Industrial control and monitoring - Wearable devices - Smart meters - Medical devices - Internet of Things (IoT) edge devices

Alternative Models

For those seeking alternatives to the EFM32LG842F256G-E-QFP64R, the following microcontrollers offer similar capabilities: - STM32F103C8T6 - PIC32MX795F512L - MSP430F5529

These alternative models provide comparable performance, peripheral sets, and memory capacities, allowing developers to choose the most suitable option for their specific application requirements.

(Note: The content provided above is a sample structure for an encyclopedia entry and does not contain actual specifications