EFM32LG890F256-BGA112T

Product Overview

Category

The EFM32LG890F256-BGA112T 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
• Wide operating voltage range

Package

The EFM32LG890F256-BGA112T comes in a BGA112T package, which stands for Ball Grid Array with 112 pins.

Essence

The essence of this microcontroller lies in its ability to provide efficient processing capabilities while consuming minimal power.

Packaging/Quantity

The EFM32LG890F256-BGA112T is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Microcontroller core: ARM Cortex-M3
• Clock speed: Up to 48 MHz
• Flash memory: 256 KB
• RAM: 32 KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 80
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C, USB
• Timers/counters: 4
• ADC resolution: 12-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG890F256-BGA112T has a total of 112 pins, each serving a specific purpose. The pin configuration includes digital I/O pins, analog input pins, power supply pins, ground pins, and communication interface pins. A detailed pinout diagram can be found in the product datasheet.

Functional Features

Low Power Modes

The EFM32LG890F256-BGA112T offers various low power modes, allowing the microcontroller to operate in energy-efficient ways. These modes include sleep mode, deep sleep mode, and stop mode, which significantly reduce power consumption during idle periods.

Integrated Peripherals

This microcontroller integrates a wide range of peripherals, including UART, SPI, I2C, and USB interfaces, as well as timers/counters and an analog-to-digital converter (ADC). These peripherals enhance the functionality and versatility of the microcontroller, enabling seamless integration with external devices.

Energy Management System (EMS)

The EFM32LG890F256-BGA112T incorporates an advanced Energy Management System (EMS) that optimizes power consumption by dynamically adjusting voltage levels and clock frequencies based on the system's requirements. This feature ensures efficient power utilization without compromising performance.

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life in portable applications.
• High-performance ARM Cortex-M3 core allows for efficient processing of complex tasks.
• Integrated peripherals simplify system design and reduce external component count.
• Small form factor makes it suitable for space-constrained applications.
• Wide operating voltage range provides flexibility in different power supply scenarios.

Disadvantages

• Limited flash memory and RAM capacity may restrict the complexity of applications.
• BGA package requires specialized equipment for soldering and rework.
• Higher cost compared to some other microcontrollers with similar specifications.

Working Principles

The EFM32LG890F256-BGA112T operates based on the principles of the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory, utilizing the integrated peripherals to interact with external devices. The microcontroller's low power modes and energy management system ensure efficient power utilization, while its high-performance core enables fast and reliable data processing.

Detailed Application Field Plans

The EFM32LG890F256-BGA112T 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 - Automotive electronics

Detailed and Complete Alternative Models

• EFM32GG990F1024-BGA112T: Similar microcontroller with higher flash memory capacity.
• EFM32WG380F256-BGA112T: Similar microcontroller with additional wireless connectivity options.
• STM32F407VGT6-LQFP100: Alternative microcontroller from a different manufacturer with similar specifications.

These alternative models offer similar functionality and can be considered as alternatives to the EFM32LG890F256-BGA112T based on specific project requirements.

In conclusion, the EFM32LG890F256-BGA112T microcontroller offers a balance between low power consumption and high performance, making it suitable for various embedded applications. Its integrated peripherals, energy management system, and small form factor contribute to its versatility and efficiency. However, limitations in memory capacity and package type should be taken into consideration when selecting this microcontroller for