Silicon Labs
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
EFM32LG840F64-QFN64T
詳細を表示 DataSheets

EFM32LG840F64-QFN64T

Introduction

The EFM32LG840F64-QFN64T is a microcontroller belonging to the EFM32LG840 series, designed and manufactured by Silicon Labs. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Microcontroller
  • Use: Embedded systems, IoT devices, industrial control systems
  • Characteristics: Low power consumption, high performance, integrated peripherals
  • Package: QFN64T
  • Essence: Energy-friendly microcontroller
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Core: ARM Cortex-M3
  • Clock Speed: Up to 48 MHz
  • Flash Memory: 64 KB
  • RAM: 8 KB
  • Operating Voltage: 1.85V to 3.8V
  • I/O Pins: 51
  • Interfaces: SPI, I2C, UART, USB
  • Analog Inputs: 12-bit ADC

Detailed Pin Configuration

The EFM32LG840F64-QFN64T features a total of 64 pins, with specific configurations for power, ground, I/O, and communication interfaces. The pinout diagram and detailed pin descriptions can be found in the official datasheet provided by Silicon Labs.

Functional Features

  • Low Energy Consumption: Utilizes energy-efficient modes to minimize power usage.
  • Peripheral Integration: Integrated peripherals such as timers, GPIO, and communication interfaces.
  • Security Features: Hardware AES encryption engine for data security.
  • Analog Capabilities: High-resolution ADC for accurate analog measurements.

Advantages and Disadvantages

Advantages

  • Low power consumption extends battery life in portable applications.
  • Rich set of integrated peripherals reduces external component count.
  • Enhanced security features protect sensitive data in connected devices.

Disadvantages

  • Limited on-chip memory may require external storage in some applications.
  • Higher cost compared to some competing microcontrollers with similar features.

Working Principles

The EFM32LG840F64-QFN64T operates based on the ARM Cortex-M3 core, utilizing low-power modes to conserve energy while executing tasks. It interacts with external components and sensors through its integrated peripherals, enabling the development of diverse embedded systems and IoT devices.

Detailed Application Field Plans

  • IoT Devices: Enables the development of energy-efficient and connected IoT devices with secure data transmission.
  • Industrial Control Systems: Suitable for controlling and monitoring industrial equipment with its integrated analog and digital capabilities.
  • Wearable Devices: Low power consumption makes it ideal for wearable health and fitness monitoring devices.

Detailed and Complete Alternative Models

  • EFM32LG842F128-QFP100: Offers higher flash memory and RAM capacity for more demanding applications.
  • EFM32GG11B500F2048GL192-BGA: Provides increased processing power and peripheral options for complex embedded systems.

In conclusion, the EFM32LG840F64-QFN64T microcontroller from Silicon Labs offers a balance of low power consumption, integrated peripherals, and security features, making it suitable for a wide range of embedded system and IoT applications.

Word Count: 495

技術ソリューションにおける EFM32LG840F64-QFN64T の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the EFM32LG840F64-QFN64T microcontroller used for?

    • The EFM32LG840F64-QFN64T microcontroller is commonly used in low-power, energy-efficient applications such as IoT devices, wearables, and battery-powered systems.

  2. What are the key features of the EFM32LG840F64-QFN64T?

    • The key features of the EFM32LG840F64-QFN64T include a 32-bit ARM Cortex-M3 processor, low energy consumption, multiple communication interfaces (SPI, I2C, UART), and a wide operating voltage range.

  3. How can I program the EFM32LG840F64-QFN64T microcontroller?

    • The EFM32LG840F64-QFN64T can be programmed using the Simplicity Studio IDE, which supports various programming languages and provides a comprehensive development environment.

  4. What are the available development tools for the EFM32LG840F64-QFN64T?

    • Silicon Labs offers a range of development kits and tools specifically designed for the EFM32LG840F64-QFN64T, including starter kits, evaluation boards, and software development kits.

  5. Does the EFM32LG840F64-QFN64T support low-power modes?

    • Yes, the EFM32LG840F64-QFN64T supports multiple low-power modes, including deep sleep, shut-off, and standby modes, making it ideal for battery-operated applications.

  6. Can the EFM32LG840F64-QFN64T interface with external sensors and peripherals?

    • Yes, the EFM32LG840F64-QFN64T features multiple GPIO pins and communication interfaces, allowing seamless integration with a wide range of sensors and peripherals.

  7. What kind of security features does the EFM32LG840F64-QFN64T offer?

    • The EFM32LG840F64-QFN64T includes hardware cryptographic accelerators, secure bootloading, and a unique device identifier to enhance system security.

  8. Is the EFM32LG840F64-QFN64T suitable for real-time applications?

    • Yes, the EFM32LG840F64-QFN64T's ARM Cortex-M3 processor and peripheral features make it well-suited for real-time control and monitoring applications.

  9. What are the temperature specifications for the EFM32LG840F64-QFN64T?

    • The EFM32LG840F64-QFN64T has an extended temperature range from -40°C to 85°C, making it suitable for both industrial and consumer applications.

  10. Where can I find detailed technical documentation for the EFM32LG840F64-QFN64T?

    • Detailed technical documentation, including datasheets, reference manuals, and application notes, can be found on the Silicon Labs website or through their customer support channels.