EFM32G840F32-QFN64T

Product Overview

Category

The EFM32G840F32-QFN64T 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
• Small form factor
• Integrated peripherals
• Rich set of features

Package

The EFM32G840F32-QFN64T comes in a QFN64 package, which stands for Quad Flat No-Lead with 64 pins.

Essence

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

Packaging/Quantity

The EFM32G840F32-QFN64T 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/counters: 4
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32G840F32-QFN64T microcontroller has a total of 64 pins. 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/counter pins
• Pins 37-44: Power supply and ground pins
• Pins 45-52: Additional digital I/O pins
• Pins 53-64: Reserved for future use

Functional Features

The EFM32G840F32-QFN64T microcontroller offers a range of functional features, including:

• Low energy consumption modes
• Integrated peripherals (ADC, timers, communication interfaces)
• Real-time performance
• Flexible power management
• Secure bootloading
• Debugging and programming capabilities

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life in portable devices.
• High-performance ARM Cortex-M4 core allows for efficient processing.
• Integrated peripherals reduce the need for external components.
• Flexible power management options optimize energy usage.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• The QFN64 package may require specialized soldering techniques.
• Availability and pricing may vary depending on the supplier.

Working Principles

The EFM32G840F32-QFN64T microcontroller operates based on the principles of the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory, interacts with peripherals, and communicates with external devices through various interfaces. The low power consumption is achieved by utilizing different power modes and optimizing clock frequencies.

Detailed Application Field Plans

The EFM32G840F32-QFN64T microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices
2. Home automation systems
3. Wearable technology
4. Industrial control systems
5. Medical devices
6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the EFM32G840F32-QFN64T microcontroller include:

1. STM32F407VG - ARM Cortex-M4 microcontroller with higher flash memory and more peripherals.
2. PIC32MX250F128B - Microcontroller with similar power consumption and a different pin configuration.
3. MSP430G2553 - Low-power microcontroller with a smaller form factor.

These alternative models can be considered based on specific project requirements and availability.

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