EFM32LG840F128G-E-QFN64

Product Overview

Category

The EFM32LG840F128G-E-QFN64 belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications, including Internet of Things (IoT) devices, consumer electronics, industrial automation, and smart energy management systems.

Characteristics

• Low power consumption: The EFM32LG840F128G-E-QFN64 is known for its efficient power management capabilities, making it suitable for battery-powered devices.
• High performance: With a 32-bit ARM Cortex-M3 processor running at up to 48 MHz, this microcontroller offers excellent processing power.
• Rich peripheral set: It features a wide range of peripherals, such as UART, SPI, I2C, ADC, and timers, enabling seamless integration with external devices.
• Extensive memory: The microcontroller has 128 KB Flash memory and 16 KB RAM, providing ample storage for program code and data.

Package

The EFM32LG840F128G-E-QFN64 comes in a QFN64 package, which stands for Quad Flat No-Lead with 64 pins. This package offers a compact form factor and facilitates easy soldering onto printed circuit boards.

Essence

The essence of the EFM32LG840F128G-E-QFN64 lies in its ability to provide a powerful yet energy-efficient solution for embedded systems.

Packaging/Quantity

This microcontroller is typically sold in reels or trays, with each reel containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Microcontroller core: ARM Cortex-M3
• Clock speed: Up to 48 MHz
• Flash memory: 128 KB
• RAM: 16 KB
• Operating voltage: 1.8V - 3.8V
• Operating temperature range: -40°C to +85°C
• Number of I/O pins: 64
• Communication interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC) resolution: 12-bit
• Timers: Multiple timers with various modes

Detailed Pin Configuration

The EFM32LG840F128G-E-QFN64 microcontroller has a total of 64 pins. The pin configuration is as follows:

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

Functional Features

Power Management

The EFM32LG840F128G-E-QFN64 incorporates advanced power management techniques, allowing for efficient utilization of energy resources. It supports multiple low-power modes, enabling extended battery life in portable devices.

Peripherals

This microcontroller offers a wide range of peripherals, including UART, SPI, I2C, and ADC. These peripherals facilitate seamless communication with external devices and enable the implementation of various functionalities in embedded systems.

Real-Time Clock (RTC)

The built-in RTC module provides accurate timekeeping capabilities, making it suitable for applications that require precise timing, such as data logging and scheduling.

Security Features

The EFM32LG840F128G-E-QFN64 includes security features like hardware encryption and secure bootloading, ensuring the integrity and confidentiality of sensitive data in embedded systems.

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• High-performance ARM Cortex-M3 processor enables efficient execution of complex tasks.
• Rich peripheral set allows for versatile connectivity options.
• Extensive memory capacity accommodates large code and data storage requirements.
• Compact QFN64 package facilitates easy integration into PCB designs.

Disadvantages

• Limited availability of alternative models with similar specifications.
• Higher cost compared to lower-end microcontrollers.

Working Principles

The EFM32LG840F128G-E-QFN64 operates based on the principles of a typical microcontroller. It executes instructions stored in its Flash memory, interacts with peripherals and external devices through various communication interfaces, and manages power consumption to optimize energy usage.

Detailed Application Field Plans

The EFM32LG840F128G-E-QFN64 finds applications in various fields, including: - Internet of Things (IoT) devices: Enables connectivity and control in smart home automation systems, environmental monitoring, and asset tracking. - Consumer electronics: Powers wearable devices, home appliances, and entertainment systems. - Industrial automation: Controls and monitors industrial machinery, process automation, and robotics. - Smart energy management systems: Facilitates efficient energy monitoring, demand response, and grid management.

Detailed and Complete Alternative Models

While the EFM32LG840F128G-E-QFN64 offers unique features, there are alternative microcontrollers available with similar specifications. Some notable alternatives include: - STM32F103C8T6 - PIC32MX795F512L - MSP430F5529