EFM32G842F32G-E-QFP64

Product Overview

Category

The EFM32G842F32G-E-QFP64 belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications that require low power consumption and high performance.

Characteristics

• Low power consumption
• High performance
• Compact size
• Wide range of peripherals
• Integrated memory

Package

The EFM32G842F32G-E-QFP64 comes in a QFP64 package, which stands for Quad Flat Package with 64 pins.

Essence

The essence of this microcontroller lies in its ability to provide efficient processing power while consuming minimal energy.

Packaging/Quantity

The EFM32G842F32G-E-QFP64 is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Microcontroller core: ARM Cortex-M4
• Clock speed: Up to 48 MHz
• Flash memory: 32 KB
• RAM: 4 KB
• Operating voltage: 1.8V - 3.6V
• Digital I/O pins: 51
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C, USB
• Timers: 4 x 16-bit, 2 x 32-bit
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32G842F32G-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 9-20: Analog input pins
• Pins 21-28: Communication interface pins (UART, SPI, I2C)
• Pins 29-36: Timer pins
• Pins 37-44: Power supply and ground pins
• Pins 45-52: Digital I/O pins
• Pins 53-64: Reserved for future use

Functional Features

The EFM32G842F32G-E-QFP64 offers a range of functional features that make it suitable for various applications. Some of these features include:

• Low power modes for energy-efficient operation
• Integrated peripherals such as UART, SPI, I2C, and USB
• High-resolution ADC for accurate analog measurements
• Flexible timers for precise timing control
• Extensive GPIO capabilities for interfacing with external devices
• Built-in security features to protect sensitive data

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life in portable devices.
• High-performance ARM Cortex-M4 core allows for efficient processing.
• Compact size makes it suitable for space-constrained applications.
• Wide range of peripherals provides versatility in design.
• Integrated memory reduces the need for external storage.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• The QFP64 package may require additional effort for soldering and PCB layout.
• Higher cost compared to some other microcontrollers in the market.

Working Principles

The EFM32G842F32G-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 communicates with external devices through its various interfaces. The microcontroller's low power modes allow it to conserve energy when not actively performing tasks.

Detailed Application Field Plans

The EFM32G842F32G-E-QFP64 can be applied in various fields, including but not limited to:

1. Internet of Things (IoT) devices
2. Home automation systems
3. Industrial control systems
4. Wearable technology
5. Smart energy management systems

Detailed and Complete Alternative Models

1. EFM32G840F32G-E-QFP64: Similar to the EFM32G842F32G-E-QFP64, but with reduced flash memory.
2. EFM32G842F64G-E-QFP100: A higher-capacity version of the EFM32G842F32G-E-QFP64, with double the flash memory and more pins.
3. EFM32G842F32G-BGA64: An alternative package option for the EFM32G842F32G-E-QFP64, featuring a Ball Grid Array (BGA) package.

These alternative models offer different specifications and packaging options to cater to specific application requirements.

In conclusion, the EFM32G842F32G-E-QFP64 microcontroller provides a balance between low power consumption and high performance, making it suitable for a wide range of embedded applications. Its compact size, integrated peripherals, and flexible functionality contribute to its advantages, while limited