EFM32LG390F128G-E-BGA112R

Product Overview

Category

The EFM32LG390F128G-E-BGA112R 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 EFM32LG390F128G-E-BGA112R is optimized for energy efficiency, making it suitable for battery-powered applications.
• High performance: With a 32-bit ARM Cortex-M3 processor, this microcontroller offers fast processing capabilities.
• Rich peripheral set: It features a wide range of integrated peripherals, such as UART, SPI, I2C, ADC, and timers, enabling versatile connectivity and functionality.
• Ample memory: The microcontroller has 128KB of flash memory and 16KB of RAM, providing sufficient storage for program code and data.

Package

The EFM32LG390F128G-E-BGA112R comes in a BGA112 package, which stands for Ball Grid Array with 112 pins. This package offers a compact form factor and facilitates surface mount assembly.

Essence

The essence of the EFM32LG390F128G-E-BGA112R lies in its ability to provide a powerful yet energy-efficient platform for embedded system development.

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 frequency: Up to 48 MHz
• Flash memory: 128KB
• RAM: 16KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 80
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C
• Timers: 4 x 16-bit, 1 x 32-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG390F128G-E-BGA112R has a total of 112 pins. The pin configuration is as follows:

(Pin diagram or table can be inserted here)

Functional Features

Low Power Modes

The microcontroller offers various low power modes, allowing developers to optimize energy consumption based on the application requirements. These modes include sleep mode, deep sleep mode, and shut-off mode.

Peripherals

The EFM32LG390F128G-E-BGA112R incorporates a wide range of peripherals, including UART, SPI, I2C, ADC, and timers. These peripherals enable seamless communication with external devices and facilitate data acquisition and control.

Real-Time Clock (RTC)

The microcontroller features an integrated RTC module, which provides accurate timekeeping functionality. This is particularly useful in applications that require precise timing or scheduling.

Advantages and Disadvantages

Advantages

• Energy-efficient design extends battery life in portable devices.
• High-performance processor enables fast and responsive operation.
• Rich peripheral set simplifies connectivity and enhances functionality.
• Ample memory allows for complex program code and data storage.

Disadvantages

• Limited number of digital I/O pins may restrict the number of external devices that can be connected simultaneously.
• BGA package requires specialized equipment for soldering and rework.

Working Principles

The EFM32LG390F128G-E-BGA112R 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 ensures efficient execution of instructions, while the integrated peripherals enable seamless integration with the system.

Detailed Application Field Plans

The EFM32LG390F128G-E-BGA112R can be applied in various fields, including: - Home automation systems - Industrial control systems - Wearable devices - Smart energy management systems - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the EFM32LG390F128G-E-BGA112R microcontroller include: - STM32F103C8T6: A similar ARM Cortex-M3 based microcontroller with comparable features. - PIC32MX270F256D: A microcontroller from Microchip with a similar pin count and performance characteristics. - MSP430F5529: An ultra-low-power microcontroller from Texas Instruments, suitable for battery-powered applications.

These alternative models offer similar functionality and can be considered as alternatives depending on specific project requirements.

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