EFM32G842F64G-E-QFP64

Product Overview

Category

The EFM32G842F64G-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: The EFM32G842F64G-E-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 functionality in applications.
• Extensive memory: The microcontroller features 64KB of Flash memory and 8KB of RAM, allowing for ample storage and efficient data handling.
• Small package size: The EFM32G842F64G-E-QFP64 comes in a QFP64 package, which is compact and space-saving.

Package and Quantity

The EFM32G842F64G-E-QFP64 is packaged in a Quad Flat Package (QFP) with 64 pins. It is typically sold in reels or trays, with quantities varying based on customer requirements.

Specifications

• Microcontroller core: ARM Cortex-M4
• Clock frequency: 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, 1 x 32-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32G842F64G-E-QFP64 microcontroller has a total of 64 pins. The pin configuration is as follows:

(Pin diagram or table showing pin numbers, names, and functions)

Functional Features

Low Power Modes

The EFM32G842F64G-E-QFP64 offers various low power modes, including sleep, deep sleep, and shut-off mode. These modes help conserve energy and extend battery life in portable devices.

Peripherals

This microcontroller integrates multiple peripherals, such as UART, SPI, and I2C interfaces, allowing seamless communication with external devices. Additionally, it features analog-to-digital converters (ADCs) for precise analog signal measurements.

Real-Time Clock (RTC)

The built-in RTC module enables accurate timekeeping and event scheduling, making it suitable for applications that require time-sensitive operations.

Advantages and Disadvantages

Advantages

• Energy-efficient design prolongs battery life.
• High-performance ARM Cortex-M4 processor ensures fast processing.
• Rich peripheral set allows for versatile functionality.
• Ample memory capacity for data storage and handling.
• Compact package size saves space in device designs.

Disadvantages

• Limited number of digital I/O pins compared to some other microcontrollers.
• Higher cost compared to entry-level microcontrollers.

Working Principles

The EFM32G842F64G-E-QFP64 operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its Flash memory, utilizing the integrated peripherals and memory resources to perform various tasks. The microcontroller communicates with external devices through its communication interfaces and interacts with the environment through its input/output pins.

Detailed Application Field Plans

The EFM32G842F64G-E-QFP64 microcontroller finds application in a wide range of fields, including: - Home automation systems - Industrial control systems - Wearable devices - Smart sensors - IoT gateways

Alternative Models

For those seeking alternatives to the EFM32G842F64G-E-QFP64, the following microcontrollers can be considered: - EFM32G840F64G-E-QFP64: Similar specifications and pin configuration, but with reduced Flash memory capacity. - EFM32G842F128G-E-QFP100: Higher Flash memory capacity and more I/O pins, but in a larger package size.

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