EFM32G840F128-QFN64

Product Overview

Category

The EFM32G840F128-QFN64 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-QFN64 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.
• Integrated peripherals: It features a wide range of built-in peripherals such as UART, SPI, I2C, ADC, and timers, providing flexibility for different application requirements.

Package

The EFM32G840F128-QFN64 comes in a QFN64 package, which stands for Quad Flat No-Lead with 64 pins. This package type ensures easy soldering and compact size, making it suitable for space-constrained designs.

Essence

The essence of the EFM32G840F128-QFN64 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: 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-QFN64 has a total of 64 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-8: Digital I/O
• Pins 9-16: Analog input
• Pins 17-24: Communication interfaces (UART, SPI, I2C)
• Pins 25-32: Timers
• Pins 33-40: Power supply and ground
• Pins 41-48: Reserved for future use
• Pins 49-56: Digital I/O
• Pins 57-64: Analog input

Functional Features

Energy Management

The EFM32G840F128-QFN64 incorporates advanced energy management techniques, allowing developers to optimize power consumption in their applications. It supports multiple low-power modes, enabling efficient operation in battery-powered devices.

Peripherals

This microcontroller offers a wide range of integrated peripherals, including UART, SPI, I2C, ADC, and timers. These peripherals enhance the functionality of the device and enable seamless communication with external components.

Security

The EFM32G840F128-QFN64 includes built-in security features such as a hardware cryptographic accelerator and a true random number generator. These features help protect sensitive data and ensure secure communication in various applications.

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life.
• High-performance ARM Cortex-M4 processor allows for fast processing.
• Integrated peripherals provide flexibility and reduce the need for external components.
• Advanced energy management techniques optimize power consumption.
• Built-in security features enhance data protection.

Disadvantages

• Limited flash memory and RAM capacity may restrict the complexity of applications.
• Availability of alternative models with higher specifications might be desired for certain projects.

Working Principles

The EFM32G840F128-QFN64 operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data, and communicates with external devices through its integrated peripherals. The ARM Cortex-M4 core provides the computational power required for various tasks, while the energy management system ensures efficient power usage.

Detailed Application Field Plans

The EFM32G840F128-QFN64 finds applications in diverse fields, including: - Home automation systems - Wearable devices - Industrial control systems - Smart agriculture - Internet of Things (IoT) devices

In home automation, it can be used to control lighting, temperature, and security systems. In wearable devices, it enables functions such as health monitoring and gesture recognition. Industrial control systems benefit from its high performance and low power consumption. In smart agriculture, it can be utilized for automated irrigation and environmental monitoring. IoT devices leverage its connectivity options and energy efficiency.

Detailed and Complete Alternative Models

While the EFM32G840F128-QFN64 offers a range of features, alternative models with different specifications are available to suit specific project requirements.