EFM32G842F128G-E-QFP64

Product Overview

Category

The EFM32G842F128G-E-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
• High performance
• Small form factor
• Integrated peripherals
• Rich set of features

Package

The EFM32G842F128G-E-QFP64 comes in a QFP64 package, which stands for Quad Flat Package with 64 pins. This package offers a compact size and allows for easy integration onto printed circuit boards (PCBs).

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable processing capabilities for a wide range of applications while consuming minimal power.

Packaging/Quantity

The EFM32G842F128G-E-QFP64 is typically sold in reels or trays, with each reel or tray containing a specific quantity of microcontrollers. The exact packaging and quantity may vary depending on the supplier.

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, USB
• Timers: 4 general-purpose timers, 2 low-energy timers
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32G842F128G-E-QFP64 has a total of 64 pins, each serving a specific purpose. 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 33-40: Power supply and ground pins
• Pins 41-48: Additional digital I/O pins
• Pins 49-56: Reserved for future use
• Pins 57-64: Debug and programming pins

Functional Features

The EFM32G842F128G-E-QFP64 offers a range of functional features that enhance its performance and versatility. Some notable features include:

• Low-energy modes for power optimization
• Hardware encryption and secure boot capabilities
• Real-time clock (RTC) for timekeeping applications
• DMA controller for efficient data transfer
• Integrated temperature sensor for environmental monitoring
• Multiple communication interfaces for seamless connectivity

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• High-performance Cortex-M4 core enables efficient processing.
• Compact form factor allows for space-saving designs.
• Rich set of integrated peripherals reduces external component count.
• Wide operating voltage range enhances compatibility with various power sources.

Disadvantages

• Limited flash memory and RAM capacity may restrict the complexity of applications.
• Availability and pricing may vary depending on the supplier and market demand.

Working Principles

The EFM32G842F128G-E-QFP64 operates based on the principles of the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory, processes data using its CPU, and interacts with external devices through its various peripherals. The microcontroller's working principles involve managing interrupts, executing code, and controlling input/output operations to perform desired tasks.

Detailed Application Field Plans

The EFM32G842F128G-E-QFP64 finds applications in various fields, including:

1. Consumer Electronics:

   • Smart home devices
   • Wearable technology
   • Remote controls

2. Industrial Automation:

   • Motor control systems
   • Programmable logic controllers (PLCs)
   • Sensor networks

3. Internet of Things (IoT) Devices:

   • Smart meters
   • Environmental monitoring systems
   • Asset tracking devices

Detailed and Complete Alternative Models

1. EFM32G840F128G-E-QFP64: Similar to the EFM32G842F128G-E-QFP64 but with a lower clock frequency.
2. EFM32G842F256G-E-QFP100: A higher-capacity version with double the flash memory and RAM, packaged in QFP100.
3. EFM32G842F128G-BGA112: Same specifications as the EFM32G842F128G-E-QFP64 but packaged in BGA112 for smaller footprint designs.

These alternative models offer similar functionality and can be considered based on