EFM32LG840F128-QFN64T

Product Overview

Category

The EFM32LG840F128-QFN64T belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• Low power consumption
• High-performance 32-bit ARM Cortex-M3 core
• Integrated peripherals for versatile applications
• Small form factor
• Wide operating voltage range

Package

The EFM32LG840F128-QFN64T comes in a QFN64 package, which stands for Quad Flat No-Lead with 64 pins.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for electronic devices.

Packaging/Quantity

The EFM32LG840F128-QFN64T is typically packaged in reels or trays, and the quantity per package depends on the manufacturer's specifications.

Specifications

• Microcontroller core: ARM Cortex-M3
• Flash memory: 128 KB
• RAM: 16 KB
• Operating voltage: 1.8V - 3.8V
• Clock frequency: Up to 48 MHz
• Number of I/O pins: 51
• 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, Real-Time Counter (RTC)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG840F128-QFN64T 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 EFM32LG840F128-QFN64T offers a range of functional features, including:

• High-performance ARM Cortex-M3 core for efficient processing
• Low power modes for energy-saving applications
• Integrated peripherals for versatile functionality
• Communication interfaces for data exchange
• Analog-to-Digital Converter for precise analog signal measurement
• Timers for accurate timing and event control
• Real-Time Counter for timekeeping applications
• Advanced Energy Monitoring Timer for power consumption analysis

Advantages and Disadvantages

Advantages

• Low power consumption enables energy-efficient designs
• High-performance core allows for fast and reliable processing
• Wide operating voltage range provides flexibility in various applications
• Integrated peripherals reduce the need for external components
• Small form factor saves space in compact designs

Disadvantages

• Limited flash memory and RAM capacity may restrict complex applications
• Availability and compatibility with other components may vary depending on the manufacturer

Working Principles

The EFM32LG840F128-QFN64T operates based on the principles of microcontroller architecture. It executes instructions stored in its flash memory to perform various tasks, such as data processing, control operations, and communication with external devices. The microcontroller's core, integrated peripherals, and memory resources work together to enable the desired functionality.

Detailed Application Field Plans

The EFM32LG840F128-QFN64T can be applied in various fields, including but not limited to:

1. Internet of Things (IoT) devices
2. Home automation systems
3. Industrial control systems
4. Wearable technology
5. Medical devices
6. Automotive electronics
7. Consumer electronics

Detailed and Complete Alternative Models

• EFM32LG840F128-QFP64: Similar microcontroller with a different package (Quad Flat Package with 64 pins)
• EFM32LG840F256-QFN64T: Higher flash memory capacity version with the same package
• EFM32LG840F512-QFN64T: Even higher flash memory capacity version with the same package

These alternative models offer similar functionality but may differ in terms of memory capacity, pin configuration, or package type.

In conclusion, the EFM32LG840F128-QFN64T is a versatile microcontroller that combines low power consumption, high performance, and integrated peripherals. Its small form factor and wide operating voltage range make it suitable for various applications in different fields. While it has certain limitations in terms of memory capacity, it offers several advantages for efficient and reliable control and processing in electronic devices.