EFM32G840F128-QFN64T

Product Overview

Category

The EFM32G840F128-QFN64T 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 EFM32G840F128-QFN64T is known for its energy efficiency, making it suitable for battery-powered devices.
• High performance: With a 32-bit ARM Cortex-M4 processor, this microcontroller offers fast processing capabilities.
• Rich peripheral integration: It features a wide range of integrated peripherals, such as UART, SPI, I2C, ADC, and timers, enabling seamless connectivity and functionality.
• Extensive memory options: The microcontroller provides ample flash memory and RAM for storing program code and data.
• Robust package: The EFM32G840F128-QFN64T comes in a QFN64 package, which ensures compactness and ease of integration into various electronic designs.
• Essence: This microcontroller combines power efficiency, performance, and versatility to meet the demands of diverse embedded applications.

Packaging/Quantity

The EFM32G840F128-QFN64T is typically packaged in reels or trays. The quantity per reel or tray may vary depending on the manufacturer's specifications.

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
• Timers: 4 x 16-bit, 2 x 32-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32G840F128-QFN64T microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Digital I/O pins
• Pins 9-16: Analog input pins
• Pins 17-24: Communication interface pins (UART, SPI, I2C)
• Pins 25-32: Timer pins
• Pins 33-64: Reserved for other functions

For a detailed pinout diagram and further information, please refer to the manufacturer's datasheet.

Functional Features

The EFM32G840F128-QFN64T microcontroller offers several functional features that enhance its performance and usability:

• Low power modes: It supports various low power modes, allowing the microcontroller to operate efficiently in battery-powered applications.
• Advanced peripherals: The integrated peripherals enable seamless communication with external devices and sensors, expanding the microcontroller's capabilities.
• Real-time performance: With its ARM Cortex-M4 core, the microcontroller can handle real-time tasks effectively, making it suitable for time-critical applications.
• Flexible clocking options: The microcontroller provides multiple clock sources and configurable clock dividers, allowing developers to optimize power consumption and performance.
• Extensive development ecosystem: A comprehensive set of development tools, software libraries, and documentation are available, facilitating rapid prototyping and application development.

Advantages and Disadvantages

Advantages

• Energy-efficient design extends battery life in portable devices.
• High-performance processor enables fast data processing and computation.
• Rich peripheral integration simplifies system design and reduces external component count.
• Ample memory capacity accommodates complex applications.
• Compact package allows for space-saving designs.

Disadvantages

• Limited number of digital I/O pins may restrict the number of external devices that can be connected directly.
• Higher cost compared to some other microcontrollers with similar specifications.

Working Principles

The EFM32G840F128-QFN64T microcontroller operates based on the principles of a typical ARM Cortex-M4 architecture. It executes instructions stored in its flash memory, processes data using its central processing unit (CPU), and interacts with external devices through its integrated peripherals.

The microcontroller's clock source provides the necessary timing for instruction execution and peripheral operation. The CPU fetches instructions from the flash memory, decodes them, and performs the required operations. The integrated peripherals enable communication with external devices, such as sensors or displays, and facilitate data transfer.

Detailed Application Field Plans

The EFM32G840F128-QFN64T microcontroller finds applications in various fields, including:

1. Consumer Electronics: It can be used in smart home devices, wearable technology, and portable gadgets.
2. Industrial Automation: The microcontroller is suitable for controlling and monitoring industrial machinery, process automation, and robotics.
3. Internet of Things (IoT): It enables connectivity and control in IoT devices,