EFM32WG842F128-QFP64T

Product Overview

Category

The EFM32WG842F128-QFP64T belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications, including Internet of Things (IoT) devices, consumer electronics, industrial automation, and smart energy management systems.

Characteristics

• Low power consumption: The EFM32WG842F128-QFP64T is optimized for low-power operation, making it suitable for battery-powered applications.
• High performance: With a 32-bit ARM Cortex-M4 processor running at up to 48 MHz, this microcontroller offers excellent processing capabilities.
• Rich peripheral set: It features a wide range of peripherals, such as UART, SPI, I2C, USB, ADC, and timers, enabling versatile connectivity and functionality.
• Extensive memory: The microcontroller has 128 KB of Flash memory and 16 KB of RAM, providing ample space for program storage and data handling.
• Robust package: The QFP64T package ensures reliable electrical connections and mechanical stability.

Packaging/Quantity

The EFM32WG842F128-QFP64T is typically packaged in tape and reel format. Each reel contains a quantity of 250 microcontrollers.

Specifications

• Microcontroller core: ARM Cortex-M4
• Clock speed: Up to 48 MHz
• Flash memory: 128 KB
• RAM: 16 KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 51
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C, USB
• Timers: 4 x 16-bit, 2 x 32-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32WG842F128-QFP64T microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pin 1: VDD
• Pin 2: PA0
• Pin 3: PA1
• ...
• Pin 63: PC13
• Pin 64: PC14

For a complete pinout diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Low-power modes: The microcontroller offers various low-power modes, allowing efficient power management and extending battery life in portable applications.
• Advanced peripherals: It includes a wide range of peripherals, such as UART, SPI, I2C, USB, ADC, and timers, enabling seamless integration with external devices and sensors.
• Real-time performance: The ARM Cortex-M4 core provides excellent real-time processing capabilities, making it suitable for time-critical applications.
• Secure bootloading: The microcontroller supports secure bootloading, ensuring the integrity and authenticity of firmware updates.

Advantages and Disadvantages

Advantages

• Low power consumption enables energy-efficient operation.
• High-performance ARM Cortex-M4 core allows for complex computations and real-time processing.
• Rich peripheral set facilitates versatile connectivity and functionality.
• Ample memory capacity for program storage and data handling.
• Secure bootloading ensures firmware integrity and authenticity.

Disadvantages

• Limited number of digital I/O pins may restrict the number of external devices that can be connected simultaneously.
• Relatively small package size may pose challenges in densely populated PCB designs.

Working Principles

The EFM32WG842F128-QFP64T microcontroller operates based on the principles of embedded systems. It executes instructions stored in its Flash memory, interacting with various peripherals and external devices to perform specific tasks. The ARM Cortex-M4 core provides the computational power required for data processing, while the integrated peripherals enable communication and control functions.

Detailed Application Field Plans

The EFM32WG842F128-QFP64T microcontroller finds applications in various fields, including:

1. Internet of Things (IoT): It can be used in IoT devices for data acquisition, sensor interfacing, and wireless communication.
2. Consumer electronics: The microcontroller is suitable for applications such as smart home devices, wearable technology, and multimedia systems.
3. Industrial automation: It can be employed in industrial control systems, motor control, and monitoring equipment.
4. Smart energy management: The microcontroller enables efficient energy monitoring, power optimization, and control in smart grid and energy management systems.

Detailed and Complete Alternative Models

• EFM32WG840F128-QFP64T: Similar to the EFM32WG842F128-QFP64T, but with a reduced number of I/O pins.
• EFM32WG840F256-QFP100T: A higher-end variant with increased Flash memory and more I/O pins.
• EFM32WG842F128-BGA112: An alternative package option with a different pin configuration.

These alternative