EFM32LG840F256G-E-QFN64R

Product Overview

Category

The EFM32LG840F256G-E-QFN64R belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications that require low power consumption and high performance.

Characteristics

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

Package

The EFM32LG840F256G-E-QFN64R comes in a QFN64 package, which stands for Quad Flat No-Lead 64. This package offers a compact size and allows for easy integration onto printed circuit boards (PCBs).

Essence

The essence of the EFM32LG840F256G-E-QFN64R lies in its ability to provide efficient processing capabilities while consuming minimal power. It combines advanced features and integrated peripherals to meet the demands of modern embedded systems.

Packaging/Quantity

The EFM32LG840F256G-E-QFN64R is typically sold in reels or trays, with each reel or tray containing a specific quantity of microcontrollers. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Microcontroller core: ARM Cortex-M3
• Flash memory: 256 KB
• RAM: 32 KB
• Operating voltage: 1.8V - 3.6V
• Clock speed: Up to 48 MHz
• Number of I/O pins: 64
• Communication interfaces: UART, SPI, I2C, USB
• Analog-to-Digital Converter (ADC): 12-bit, up to 16 channels
• Timers: General Purpose Timers, Advanced Energy Monitoring Timer
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG840F256G-E-QFN64R has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Digital I/O or Analog Input
• Pins 9-16: Digital I/O or Analog Input
• Pins 17-24: Digital I/O or Analog Input
• Pins 25-32: Digital I/O or Analog Input
• Pins 33-40: Digital I/O or Analog Input
• Pins 41-48: Digital I/O or Analog Input
• Pins 49-56: Digital I/O or Analog Input
• Pins 57-64: Digital I/O or Analog Input

Functional Features

The EFM32LG840F256G-E-QFN64R offers a range of functional features, including:

• Low power modes for energy-efficient operation
• Integrated peripherals such as UART, SPI, I2C, and USB for communication
• Advanced Energy Monitoring Timer for power consumption analysis
• Analog-to-Digital Converter (ADC) for precise analog signal measurements
• General Purpose Timers for various timing applications
• Flexible I/O pins for versatile connectivity options

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life in portable devices.
• High-performance ARM Cortex-M3 core allows for efficient processing.
• Integrated peripherals simplify system design and reduce external component count.
• Small form factor QFN64 package saves space on PCBs.
• Wide operating voltage range provides flexibility in different applications.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• Availability and pricing may vary depending on the supplier and market demand.

Working Principles

The EFM32LG840F256G-E-QFN64R operates based on the ARM Cortex-M3 core architecture. It executes instructions stored in its flash memory and utilizes its integrated peripherals to perform various tasks. The microcontroller communicates with external devices through its communication interfaces and interacts with the environment through its I/O pins. It can enter low power modes to conserve energy when not actively processing data.

Detailed Application Field Plans

The EFM32LG840F256G-E-QFN64R is suitable for a wide range of embedded applications, including but not limited to:

• Internet of Things (IoT) devices
• Wearable technology
• Home automation systems
• Industrial control systems
• Medical devices
• Consumer electronics

Detailed and Complete Alternative Models

• EFM32LG840F128G-E-QFN64R: Similar to the EFM32LG840F256G-E-QFN64R, but with 128 KB flash memory instead of 256 KB.
• EFM32LG840F512G-E-QFN64R: Similar to the EFM32LG840F256G-E-QFN64R, but with 512 KB flash memory instead of 256 KB.
• EFM32LG840F256G-BGA112: Similar to the EFM32LG840F256G-E-Q