EFM32LG842F128-QFP64T

Product Overview

Category

The EFM32LG842F128-QFP64T 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 EFM32LG842F128-QFP64T is known for its energy-efficient design, making it suitable for battery-powered applications.
• High performance: With a 32-bit ARM Cortex-M3 processor, this microcontroller offers excellent processing capabilities.
• Integrated peripherals: It features a wide range of integrated peripherals such as UART, SPI, I2C, ADC, and GPIO, providing flexibility in system design.
• Memory capacity: The microcontroller has 128KB Flash memory and 16KB RAM, allowing for storage and execution of complex programs.

Package

The EFM32LG842F128-QFP64T comes in a QFP64 package, which stands for Quad Flat Package with 64 pins. This package type ensures easy soldering and compact integration into circuit boards.

Essence

The essence of the EFM32LG842F128-QFP64T lies in its ability to provide a powerful yet energy-efficient solution for embedded systems.

Packaging/Quantity

This microcontroller is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Microcontroller core: ARM Cortex-M3
• Clock frequency: 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
• ADC resolution: 12-bit
• Package type: QFP64

Detailed Pin Configuration

The EFM32LG842F128-QFP64T microcontroller has a total of 64 pins. The pin configuration is as follows:

1. Pin 1 - VDD (Power supply)
2. Pin 2 - PA0 (General-purpose I/O)
3. Pin 3 - PA1 (General-purpose I/O)
4. Pin 4 - PA2 (General-purpose I/O)
5. Pin 5 - PA3 (General-purpose I/O)
6. Pin 6 - PA4 (General-purpose I/O)
7. Pin 7 - PA5 (General-purpose I/O)
8. Pin 8 - PA6 (General-purpose I/O)
9. Pin 9 - PA7 (General-purpose I/O)
10. Pin 10 - GND (Ground)

(Note: The remaining pin configurations are not listed here for brevity.)

Functional Features

Energy Management

The EFM32LG842F128-QFP64T incorporates advanced energy management features, allowing developers to optimize power consumption in their applications. It includes low-energy modes, voltage scaling, and peripheral control to minimize energy usage.

Peripherals

This microcontroller offers a wide range of integrated peripherals, including UART, SPI, I2C, and ADC. These peripherals enable seamless communication with external devices and sensors, enhancing the functionality of embedded systems.

Real-Time Performance

With its ARM Cortex-M3 core running at up to 48 MHz, the EFM32LG842F128-QFP64T delivers real-time performance, ensuring quick response times for time-critical tasks.

Security

The microcontroller incorporates security features such as a hardware random number generator, memory protection unit, and secure boot loader. These features help protect sensitive data and ensure the integrity of the system.

Advantages and Disadvantages

Advantages

• Low power consumption, ideal for battery-powered applications.
• High-performance ARM Cortex-M3 core.
• Integrated peripherals simplify system design.
• Ample memory capacity for storing complex programs.
• Energy management features optimize power usage.

Disadvantages

• Limited number of I/O pins compared to some other microcontrollers.
• Relatively higher cost compared to lower-end microcontrollers.

Working Principles

The EFM32LG842F128-QFP64T operates based on the principles of a typical microcontroller. It executes instructions stored in its Flash memory, interacts with external devices through its integrated peripherals, and manages power consumption using energy management techniques.

Detailed Application Field Plans

The EFM32LG842F128-QFP64T finds applications in various fields, including: 1. Consumer electronics: Smart home devices, wearable technology, and portable gadgets. 2. Industrial automation: Control systems, motor drives, and monitoring equipment. 3. Internet of Things (IoT): Connected sensors, smart meters, and remote monitoring devices.

Detailed and Complete Alternative Models

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