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EFM32LG990F256-BGA112
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EFM32LG990F256-BGA112

Introduction

The EFM32LG990F256-BGA112 is a microcontroller belonging to the EFM32LG990 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.

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, IoT devices, industrial control systems
  • Characteristics: Low power consumption, high performance, integrated peripherals
  • Package: BGA112
  • Essence: ARM Cortex-M3 core
  • Packaging/Quantity: Tape & Reel, 250 units per reel

Specifications

  • Core: ARM Cortex-M3
  • Clock Speed: Up to 48 MHz
  • Flash Memory: 256 KB
  • RAM: 32 KB
  • Operating Voltage: 1.8V - 3.6V
  • I/O Pins: 82
  • Interfaces: SPI, I2C, UART, USB
  • Analog Inputs: 12-bit ADC

Detailed Pin Configuration

The EFM32LG990F256-BGA112 features a BGA112 package with 112 pins. The pinout includes power supply pins, GPIO pins, communication interface pins, and analog input pins. Refer to the datasheet for the complete pin configuration.

Functional Features

  • Low Energy Sensor Interface (LESENSE) for capacitive sensing applications
  • Energy Management Unit (EMU) for power optimization
  • Peripheral Reflex System (PRS) for autonomous peripheral operation
  • Advanced encryption standard (AES) hardware accelerator for secure communication

Advantages and Disadvantages

Advantages

  • Low power consumption
  • High-performance ARM Cortex-M3 core
  • Integrated peripherals for versatile applications
  • Secure communication with AES hardware accelerator

Disadvantages

  • Limited RAM size for memory-intensive applications
  • BGA package may require specialized PCB design and assembly

Working Principles

The EFM32LG990F256-BGA112 operates on the ARM Cortex-M3 core, providing efficient processing capabilities while minimizing power consumption. The integrated peripherals and advanced features enable seamless interaction with external sensors, communication interfaces, and power management units.

Detailed Application Field Plans

  • IoT Devices: Utilize low power consumption and integrated peripherals for sensor data acquisition and wireless communication.
  • Industrial Control Systems: Leverage the high-performance core and secure communication for real-time control and monitoring applications.
  • Wearable Devices: Benefit from the low energy sensor interface for touch and gesture recognition in compact form factors.

Detailed and Complete Alternative Models

  • EFM32GG990F1024-BGA120: Higher flash memory and RAM capacity
  • EFM32WG990F256-QFN64: Wireless connectivity options with integrated radio transceiver
  • EFM32PG990F256-LQFP64: Enhanced peripheral set for complex control applications

In conclusion, the EFM32LG990F256-BGA112 microcontroller offers a balance of performance, power efficiency, and integrated features suitable for a wide range of embedded applications.

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技術ソリューションにおける EFM32LG990F256-BGA112 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 EFM32LG990F256-BGA112 microcontroller used for?

    • The EFM32LG990F256-BGA112 microcontroller is commonly used in applications such as industrial control systems, smart meters, and wireless sensor networks.

  2. What are the key features of the EFM32LG990F256-BGA112?

    • The key features of the EFM32LG990F256-BGA112 include a 32-bit ARM Cortex-M3 processor, low power consumption, multiple communication interfaces (SPI, I2C, UART), and advanced energy management capabilities.

  3. How can I program the EFM32LG990F256-BGA112 microcontroller?

    • The EFM32LG990F256-BGA112 microcontroller can be programmed using the Simplicity Studio IDE, which supports various programming languages such as C and C++.

  4. What are the available development tools for the EFM32LG990F256-BGA112?

    • Silicon Labs provides a range of development tools including starter kits, evaluation boards, and software development kits (SDKs) to facilitate the design and prototyping process.

  5. Can the EFM32LG990F256-BGA112 operate on battery power?

    • Yes, the EFM32LG990F256-BGA112 is designed for low power operation and can be powered by batteries, making it suitable for energy-efficient applications.

  6. What kind of peripherals does the EFM32LG990F256-BGA112 support?

    • The EFM32LG990F256-BGA112 supports a variety of peripherals including ADC, DAC, timers, PWM, and GPIO, enabling versatile interfacing with external components.

  7. Is the EFM32LG990F256-BGA112 suitable for real-time applications?

    • Yes, the EFM32LG990F256-BGA112's fast processing capabilities and deterministic interrupt response make it well-suited for real-time applications such as motor control and data acquisition.

  8. Does the EFM32LG990F256-BGA112 have built-in security features?

    • Yes, the EFM32LG990F256-BGA112 includes hardware cryptographic accelerators and secure bootloaders to enhance system security.

  9. What are the available memory options for the EFM32LG990F256-BGA112?

    • The EFM32LG990F256-BGA112 offers flash memory sizes ranging from 256 KB to 1 MB, along with integrated RAM for data storage and execution.

  10. Are there any application notes or reference designs available for the EFM32LG990F256-BGA112?

    • Yes, Silicon Labs provides comprehensive application notes, reference designs, and technical documentation to assist developers in implementing the EFM32LG990F256-BGA112 in various technical solutions.