EFM32G842F128G-E-QFP64R

Product Overview

Category

The EFM32G842F128G-E-QFP64R 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 EFM32G842F128G-E-QFP64R is optimized for energy efficiency, making it suitable for battery-powered devices.
• High performance: With a 32-bit ARM Cortex-M4 core, 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.
• Extensive memory: The microcontroller has 128KB of flash memory and 16KB of RAM, providing ample storage for program code and data.

Package

The EFM32G842F128G-E-QFP64R is packaged in a QFP64 (Quad Flat Package) format. This package type allows for easy soldering onto printed circuit boards (PCBs).

Essence

The essence of the EFM32G842F128G-E-QFP64R lies in its ability to provide a powerful yet energy-efficient solution 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-M4
• Clock frequency: Up to 48 MHz
• Flash memory: 128KB
• RAM: 16KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 51
• 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 EFM32G842F128G-E-QFP64R has a total of 64 pins. The pin configuration is as follows:

(Pin diagram 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, deep sleep, and shut-off.

Peripherals

The EFM32G842F128G-E-QFP64R integrates a wide range of peripherals, including UART, SPI, I2C, ADC, and timers. These peripherals enable seamless communication with external devices and provide additional functionality.

Security Features

To ensure data integrity and system security, this microcontroller incorporates features such as secure bootloading, memory protection, and cryptographic acceleration.

Advantages and Disadvantages

Advantages

• Energy-efficient design for battery-powered applications.
• High-performance ARM Cortex-M4 core.
• Rich peripheral set for versatile connectivity.
• Ample flash memory and RAM for program storage and data handling.

Disadvantages

• Limited number of digital I/O pins compared to some other microcontrollers in the same category.
• Relatively higher cost compared to entry-level microcontrollers.

Working Principles

The EFM32G842F128G-E-QFP64R operates based on the principles of a typical microcontroller. It executes instructions stored in its flash memory, interacts with peripherals through various communication interfaces, and processes data according to the program logic.

Detailed Application Field Plans

The EFM32G842F128G-E-QFP64R can be applied in a wide range of fields, including: - Home automation systems - Wearable devices - Industrial control systems - Smart energy management - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the EFM32G842F128G-E-QFP64R microcontroller include: - STM32F407VG - PIC32MX795F512L - MSP430F5529

These alternatives offer similar functionalities and can be considered based on specific project requirements.

In conclusion, the EFM32G842F128G-E-QFP64R is a versatile microcontroller that combines energy efficiency, high performance, and a rich peripheral set. It finds applications in various fields and provides developers with a powerful solution for embedded systems.