EFM32G842F64G-E-QFP64R

Product Overview

Category

The EFM32G842F64G-E-QFP64R 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 EFM32G842F64G-E-QFP64R is known for its energy-efficient design, 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 set: It features a wide range of peripherals such as UART, SPI, I2C, ADC, and timers, enabling versatile connectivity options.
• Extensive memory: The microcontroller has 64KB of flash memory and 8KB of RAM, providing ample space for program storage and data handling.
• Small form factor: Packaged in a QFP64 package, it is compact and suitable for space-constrained applications.

Package and Quantity

The EFM32G842F64G-E-QFP64R is available in a QFP64 package. 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: 64KB
• RAM: 8KB
• 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 EFM32G842F64G-E-QFP64R microcontroller has a total of 64 pins. 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

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

Functional Features

The EFM32G842F64G-E-QFP64R microcontroller offers several functional features, including:

• Low-power modes: It supports various low-power modes, allowing efficient power management and extending battery life in portable devices.
• Peripherals: The microcontroller provides a rich set of peripherals, enabling seamless integration with external sensors, actuators, and communication modules.
• Real-time performance: With its ARM Cortex-M4 core, it delivers real-time processing capabilities, making it suitable for time-critical applications.
• Security features: It incorporates security measures such as memory protection units and cryptographic accelerators, ensuring data integrity and system security.

Advantages and Disadvantages

Advantages

• Energy-efficient design
• High-performance processing capabilities
• Versatile connectivity options
• Ample memory for program storage and data handling
• Compact form factor

Disadvantages

• Limited number of digital I/O pins
• Relatively higher cost compared to some other microcontrollers in the market

Working Principles

The EFM32G842F64G-E-QFP64R microcontroller operates based on the principles of the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory, interacting with various peripherals and external components to perform desired tasks. The microcontroller's clock speed determines the rate at which it processes instructions and communicates with other devices.

Detailed Application Field Plans

The EFM32G842F64G-E-QFP64R microcontroller finds applications in a wide range of fields, including:

1. Consumer Electronics: It can be used in smart home devices, wearable technology, and remote control systems.
2. Industrial Automation: The microcontroller is suitable for industrial control systems, motor control, and monitoring equipment.
3. Internet of Things (IoT): It enables connectivity and control in IoT devices such as smart meters, environmental sensors, and asset tracking systems.
4. Medical Devices: It can be utilized in medical monitoring devices, portable diagnostic tools, and implantable devices (subject to additional certifications).

Detailed and Complete Alternative Models

• EFM32G840F64G-E-QFP64R: Similar to the EFM32G842F64G-E-QFP64R but with reduced flash memory (32KB) and fewer