EFM32WG840F256-QFN64T

Product Overview

Category

The EFM32WG840F256-QFN64T 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 EFM32WG840F256-QFN64T is known for its efficient power management capabilities, making it suitable for battery-powered devices.
• High performance: With a 32-bit ARM Cortex-M4 processor running at up to 48 MHz, this microcontroller offers excellent processing power.
• Rich peripheral set: It features a wide range of peripherals, such as UART, SPI, I2C, USB, ADC, and timers, enabling seamless integration with external components.
• Extensive memory: The microcontroller has 256 KB Flash memory and 32 KB RAM, providing ample space for program storage and data handling.
• Small package size: The QFN64T package ensures compactness and ease of integration into space-constrained designs.

Package and Quantity

The EFM32WG840F256-QFN64T is available in a Quad Flat No-Lead (QFN) package with 64 pins. It is typically sold in reels or trays, with quantities varying based on customer requirements.

Specifications

• Microcontroller core: ARM Cortex-M4
• Clock speed: Up to 48 MHz
• Flash memory: 256 KB
• RAM: 32 KB
• Operating voltage: 1.8V - 3.8V
• Operating temperature range: -40°C to +85°C
• Peripherals: UART, SPI, I2C, USB, ADC, timers, etc.
• Package type: QFN64T
• Pin count: 64

Detailed Pin Configuration

The EFM32WG840F256-QFN64T microcontroller has a total of 64 pins, which are assigned to various functions and peripherals. The pin configuration is as follows:

(Pin diagram or table showing pin numbers, names, and their corresponding functions)

Functional Features

Power Management

The EFM32WG840F256-QFN64T incorporates advanced power management techniques, allowing efficient utilization of energy resources. It offers multiple low-power modes, enabling extended battery life for portable devices.

Communication Interfaces

This microcontroller supports various communication interfaces, including UART, SPI, I2C, and USB. These interfaces facilitate seamless connectivity with external devices, enabling data exchange and control.

Analog-to-Digital Conversion (ADC)

With an integrated ADC, the EFM32WG840F256-QFN64T can accurately convert analog signals into digital data. This feature is particularly useful in applications that require precise measurement and monitoring of physical quantities.

Timers and PWM

The microcontroller includes timers and Pulse Width Modulation (PWM) outputs, allowing precise timing control and generation of analog-like signals. This feature is beneficial for applications such as motor control and LED dimming.

Advantages and Disadvantages

Advantages

• Efficient power management capabilities
• High-performance ARM Cortex-M4 core
• Rich set of peripherals for versatile application support
• Ample memory for program storage and data handling
• Compact package size for space-constrained designs

Disadvantages

• Limited availability of alternative models with similar specifications
• Relatively higher cost compared to lower-end microcontrollers

Working Principles

The EFM32WG840F256-QFN64T operates based on the principles of a typical microcontroller. It executes instructions stored in its Flash memory, processes data, interacts with peripherals, and communicates with external devices. The ARM Cortex-M4 core provides the computational power, while the integrated peripherals enable various functionalities.

Detailed Application Field Plans

The EFM32WG840F256-QFN64T microcontroller finds applications in a wide range of fields, including: - Internet of Things (IoT) devices - Consumer electronics - Industrial automation - Smart energy management systems

In IoT devices, it can be used for sensor data acquisition and wireless communication. In consumer electronics, it can power smart home devices, wearable gadgets, and audio/video equipment. In industrial automation, it enables control and monitoring of machinery and processes. In smart energy management systems, it facilitates efficient energy usage and monitoring.

Alternative Models

While the EFM32WG840F256-QFN64T is a unique microcontroller with its specific features, there are alternative models available that offer similar capabilities. Some notable alternatives include: - EFM32WG842F256-QFN64T - EFM32WG840F256-QFP100 - EFM32WG840F256-BGA112

These alternative models may differ in package type, pin count, or peripheral availability,