EFM32LG840F128G-E-QFN64R

Product Overview

Category

The EFM32LG840F128G-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 EFM32LG840F128G-E-QFN64R 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 processing power while consuming minimal energy.

Packaging/Quantity

The EFM32LG840F128G-E-QFN64R is typically sold in reels or trays, with each containing a specific quantity of microcontrollers. The exact quantity may vary depending on the supplier.

Specifications

• Microcontroller core: ARM Cortex-M3
• Flash memory: 128 KB
• RAM: 16 KB
• Operating voltage: 1.8V - 3.6V
• Maximum operating frequency: 48 MHz
• Digital I/O pins: 51
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C, USB
• Timers/counters: 4 x 16-bit, 2 x 32-bit
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG840F128G-E-QFN64R has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Digital I/O pins
• Pins 9-20: Analog input pins
• Pins 21-28: Communication interface pins
• Pins 29-36: Timer/counter pins
• Pins 37-44: Power supply and ground pins
• Pins 45-64: Reserved for future use

Functional Features

The EFM32LG840F128G-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
• Timers/counters for precise timing applications
• Analog-to-digital converter (ADC) for accurate analog signal measurement
• GPIO pins for general-purpose input/output operations
• Real-time clock (RTC) for timekeeping functionality
• Watchdog timer for system reliability

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 reduce the need for external components.
• Small form factor makes it suitable for space-constrained applications.
• Robust packaging ensures durability and protection.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• Availability and pricing may vary depending on the supplier.
• Requires knowledge of embedded systems programming for effective utilization.

Working Principles

The EFM32LG840F128G-E-QFN64R operates based on the principles of microcontroller architecture. It executes instructions stored in its flash memory to perform various tasks. The ARM Cortex-M3 core provides the processing power, while the integrated peripherals enable communication, timing, and other functionalities.

Detailed Application Field Plans

The EFM32LG840F128G-E-QFN64R is well-suited for a wide range of applications, including but not limited to:

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

Detailed and Complete Alternative Models

1. EFM32GG990F1024-BGA112: Similar microcontroller with higher flash memory capacity and more I/O pins.
2. EFM32WG380F256-QFP100: Microcontroller with integrated Wi-Fi module for wireless connectivity.
3. STM32F407VGT6-LQFP100: Alternative microcontroller from a different manufacturer with similar specifications.

These alternative models offer similar functionalities to the EFM32LG840F128G-E-QFN64R and can be considered based on specific project requirements.

In conclusion, the EFM32LG840F128G-E-QFN64R is a versatile microcontroller that combines low power consumption with high performance. Its integrated peripherals, small form factor, and robust packaging make it suitable for various embedded applications. While it has certain limitations, its advantages outweigh the disadvantages. With its working principles and detailed application field plans, it provides a reliable solution for diverse projects. Additionally, alternative models offer flexibility in choosing the most suitable micro