EFM32G842F128-QFP64

Product Overview

Category

The EFM32G842F128-QFP64 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 EFM32G842F128-QFP64 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 set: It provides a wide range of integrated peripherals, such as UART, SPI, I2C, ADC, and timers, enabling versatile connectivity and functionality.
• Extensive memory: The microcontroller features 128KB flash memory and 16KB RAM, allowing for ample storage and efficient data handling.
• Small package size: The QFP64 package ensures compactness and ease of integration into various electronic designs.

Packaging/Quantity

The EFM32G842F128-QFP64 is typically packaged in tape and reel format. Each reel contains a specific quantity of microcontrollers, usually around 250 to 500 units.

Specifications

• Microcontroller core: ARM Cortex-M4
• Clock speed: Up to 48 MHz
• Flash memory: 128KB
• RAM: 16KB
• 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 EFM32G842F128-QFP64 microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pin 1: VDD
• Pin 2: PA0
• Pin 3: PA1
• ...
• Pin 63: PC13
• Pin 64: VSS

For a complete pinout diagram and detailed pin descriptions, refer to the manufacturer's datasheet.

Functional Features

The EFM32G842F128-QFP64 offers several functional features that enhance its usability in various applications:

1. Low Power Modes: The microcontroller supports multiple low-power modes, allowing for efficient energy management and extended battery life.
2. Peripheral Integration: With a wide range of integrated peripherals, it enables seamless connectivity with external devices and sensors.
3. Real-Time Performance: The ARM Cortex-M4 core provides high-performance computing capabilities, enabling real-time processing of data and complex algorithms.
4. Security Features: The microcontroller incorporates security measures like memory protection units and cryptographic accelerators, ensuring data integrity and system security.

Advantages and Disadvantages

Advantages

• Energy-efficient design prolongs battery life.
• Versatile peripheral set allows for flexible connectivity options.
• High-performance processor enables fast data processing.
• Compact package size facilitates integration into space-constrained designs.

Disadvantages

• Limited flash memory capacity compared to some other microcontrollers in the same category.
• Higher cost compared to entry-level microcontrollers with similar specifications.

Working Principles

The EFM32G842F128-QFP64 operates based on the principles of a typical microcontroller. It executes instructions stored in its flash memory, interacts with peripherals, and communicates with external devices through various interfaces. The ARM Cortex-M4 core handles data processing tasks, while the integrated peripherals facilitate input/output operations and communication.

Detailed Application Field Plans

The EFM32G842F128-QFP64 microcontroller finds applications in various fields, including:

1. Home Automation: It can be used to control and monitor smart home devices, such as lighting systems, thermostats, and security systems.
2. Industrial Control Systems: The microcontroller enables automation and control in industrial environments, managing processes and machinery.
3. Wearable Devices: Its low power consumption and small form factor make it suitable for wearable technology, such as fitness trackers and smartwatches.
4. IoT Edge Devices: The EFM32G842F128-QFP64 can serve as a central processing unit in IoT edge devices, collecting and analyzing data from sensors.

Detailed and Complete Alternative Models

• EFM32G840F128-QFP64: Similar to the EFM32G842F128-QFP64, but with 64KB flash memory instead of 128KB.
• EFM32G840F64-QFP64: A lower-capacity variant with 64KB flash memory and 8KB RAM.
• EFM32G842F256-QFP100: An upgraded version with 256KB flash memory and additional I/O pins