EFM32LG390F128-BGA112T

Product Overview

Category

The EFM32LG390F128-BGA112T belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications, including but not limited to consumer electronics, industrial automation, and Internet of Things (IoT) devices.

Characteristics

• Low power consumption: The EFM32LG390F128-BGA112T is known for its energy efficiency, making it suitable for battery-powered devices.
• High performance: With a 32-bit ARM Cortex-M3 processor, this microcontroller offers fast processing capabilities.
• Integrated peripherals: It features a wide range of built-in peripherals such as UART, SPI, I2C, ADC, and timers, providing flexibility for different application requirements.

Package

The EFM32LG390F128-BGA112T comes in a BGA112 package. This package type offers a compact form factor, allowing for space-saving designs.

Essence

The essence of the EFM32LG390F128-BGA112T lies in its ability to provide efficient and reliable control and processing capabilities for embedded systems.

Packaging/Quantity

This microcontroller 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: 128 KB
• RAM: 16 KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 112
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C
• Timers: 4 x 16-bit, 2 x 32-bit
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG390F128-BGA112T has a total of 112 pins, each serving a specific purpose. The pin configuration is as follows:

• Pin 1: VDD
• Pin 2: GND
• Pin 3: PA0
• Pin 4: PA1
• ...
• Pin 111: PC10
• Pin 112: PC11

For a complete pinout diagram and detailed pin descriptions, please refer to the manufacturer's datasheet.

Functional Features

• Low power modes: The microcontroller offers various low power modes, allowing for efficient energy management.
• Peripheral flexibility: With a wide range of integrated peripherals, the EFM32LG390F128-BGA112T can be easily customized to meet specific application requirements.
• Real-time performance: The ARM Cortex-M3 core ensures real-time responsiveness, making it suitable for time-critical applications.
• Security features: This microcontroller includes hardware encryption and secure boot capabilities, enhancing system security.

Advantages and Disadvantages

Advantages

• Energy-efficient design prolongs battery life in portable devices.
• High-performance processor enables fast data processing.
• Integrated peripherals reduce the need for external components, saving cost and board space.
• Wide temperature range allows for operation in harsh environments.

Disadvantages

• Limited flash memory capacity may restrict the complexity of applications.
• BGA package requires advanced soldering techniques for assembly and repair.
• Availability of alternative models with more features or lower cost may impact its competitiveness in certain markets.

Working Principles

The EFM32LG390F128-BGA112T operates based on the principles of a typical microcontroller. It executes instructions stored in its flash memory, interacts with peripherals, and communicates with external devices through various interfaces. The ARM Cortex-M3 core provides the necessary computational power, while the integrated peripherals enable data acquisition, communication, and control functions.

Detailed Application Field Plans

The EFM32LG390F128-BGA112T can be applied in various fields, including:

1. Consumer Electronics: It can be used in smart home devices, wearable technology, and portable gadgets.
2. Industrial Automation: The microcontroller is suitable for controlling machinery, monitoring sensors, and managing industrial processes.
3. Internet of Things (IoT): Its low power consumption and integrated connectivity options make it ideal for IoT applications such as smart meters, environmental monitoring systems, and asset tracking devices.

Detailed and Complete Alternative Models

• EFM32GG990F1024-BGA112T: A higher-end model with more flash memory and additional peripherals.
• EFM32TG210F32-QFN24: A lower-cost alternative with reduced pin count and simplified feature set.
• EFM32PG12B500F1024GL125: A variant with extended temperature range and increased RAM capacity.

These alternative models offer different trade-offs in terms of cost, performance, and features, allowing designers to choose the most suitable option for