EFM32WG840F256-QFN64

Product Overview

Category

The EFM32WG840F256-QFN64 belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications that require low power consumption and high performance.

Characteristics

• Low power consumption
• High performance
• Integrated peripherals
• Small form factor
• Wide operating voltage range

Package

The EFM32WG840F256-QFN64 comes in a QFN64 package, which stands for Quad Flat No-Lead with 64 pins.

Essence

The essence of this microcontroller lies in its ability to provide efficient processing capabilities while consuming minimal power.

Packaging/Quantity

The EFM32WG840F256-QFN64 is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

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
• Digital I/O pins: 51
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C, USB
• Timers: 4 x 16-bit, 2 x 32-bit
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32WG840F256-QFN64 has a total of 64 pins, each serving a specific purpose. The pin configuration includes digital I/O pins, analog input pins, power supply pins, and communication interface pins. For a detailed pinout diagram and description, please refer to the datasheet provided by the manufacturer.

Functional Features

• Low-power modes for energy-efficient operation
• Integrated peripherals for enhanced functionality
• Advanced communication interfaces for seamless connectivity
• High-performance ARM Cortex-M4 core for efficient processing
• Rich set of timers and ADC for precise timing and analog measurements

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life in portable devices.
• High-performance core allows for efficient execution of complex tasks.
• Integrated peripherals reduce the need for external components, saving cost and board space.
• Wide operating voltage range provides flexibility in various applications.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• The QFN64 package may require specialized soldering techniques.
• Availability and support for alternative models may vary.

Working Principles

The EFM32WG840F256-QFN64 operates based on the principles of a microcontroller. It executes instructions stored in its flash memory to perform specific tasks. The ARM Cortex-M4 core provides the processing power, while the integrated peripherals enable interaction with external devices. The microcontroller can enter low-power modes to conserve energy when idle or not performing critical operations.

Detailed Application Field Plans

The EFM32WG840F256-QFN64 is suitable for a wide range of embedded applications, including but not limited to: - Internet of Things (IoT) devices - Home automation systems - Industrial control systems - Wearable devices - Sensor networks - Medical devices

Detailed and Complete Alternative Models

• EFM32WG842F256-QFN64: Similar to EFM32WG840F256-QFN64 but with additional features.
• EFM32WG840F128-QFN64: Lower flash memory variant of EFM32WG840F256-QFN64.
• EFM32WG840F256-BGA112: Same features as EFM32WG840F256-QFN64 but in a BGA112 package.

These alternative models provide options with varying specifications and package types to suit different application requirements.

In conclusion, the EFM32WG840F256-QFN64 microcontroller offers a balance between low power consumption and high performance. Its integrated peripherals and wide operating voltage range make it suitable for various embedded applications. However, its limited memory and package type may pose some limitations. Nonetheless, with its functional features and extensive application field plans, it serves as a reliable choice for many developers.