EFM32LG940F128G-E-QFN64

Product Overview

Category

The EFM32LG940F128G-E-QFN64 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
• Integrated peripherals
• Small form factor
• Robust security features

Package

The EFM32LG940F128G-E-QFN64 comes in a QFN64 package, which stands for Quad Flat No-Lead 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 processing power while consuming minimal energy. It combines high performance with low power consumption, making it suitable for battery-powered devices.

Packaging/Quantity

The EFM32LG940F128G-E-QFN64 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-M3
• Flash memory: 128 KB
• RAM: 32 KB
• Operating voltage: 1.8V - 3.6V
• Clock speed: Up to 48 MHz
• Digital I/O pins: 51
• Analog input channels: 12
• Communication interfaces: UART, SPI, I2C, USB
• Timers/counters: Multiple 16-bit and 32-bit timers
• ADC resolution: 12-bit
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The EFM32LG940F128G-E-QFN64 microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Digital I/O or analog input pins
• Pins 9-16: Digital I/O or analog input pins
• Pins 17-24: Digital I/O or analog input pins
• Pins 25-32: Digital I/O or analog input pins
• Pins 33-40: Digital I/O or analog input pins
• Pins 41-48: Digital I/O or analog input pins
• Pins 49-56: Digital I/O or analog input pins
• Pins 57-64: Digital I/O or analog input pins

Functional Features

The EFM32LG940F128G-E-QFN64 offers the following functional features:

• High-performance ARM Cortex-M3 core for efficient processing
• Integrated peripherals such as UART, SPI, I2C, and USB for communication
• Multiple timers/counters for precise timing operations
• Analog-to-digital converter (ADC) for accurate analog signal measurements
• Low-power modes to optimize energy consumption
• Built-in security features to protect sensitive data

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices
• High-performance core enables fast and efficient processing
• Integrated peripherals simplify system design and reduce external component count
• Small form factor allows for compact device designs
• Robust security features enhance data protection

Disadvantages

• Limited flash memory and RAM compared to higher-end microcontrollers
• May require additional external components for certain applications
• Higher cost compared to lower-end microcontrollers with similar specifications

Working Principles

The EFM32LG940F128G-E-QFN64 operates based on the principles of the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory, processes data, and communicates with external devices through its integrated peripherals. The microcontroller can be programmed using various development tools and software to perform specific tasks according to the application requirements.

Detailed Application Field Plans

The EFM32LG940F128G-E-QFN64 is suitable for a wide range of applications, including:

1. Consumer Electronics:

   • Smart home devices
   • Wearable technology
   • Portable audio/video players

2. Industrial Automation:

   • Motor control systems
   • Programmable logic controllers (PLCs)
   • Human-machine interfaces (HMIs)

3. Internet of Things (IoT) Devices:

   • Smart sensors
   • Connected appliances
   • Environmental monitoring systems

Detailed and Complete Alternative Models

• EFM32GG990F1024-BGA112
• EFM32WG380F256-QFP100
• EFM32PG12B500F1024GL125-QFP144

These alternative models offer similar functionalities and specifications to the EFM32LG940F128G-E-QFN64, providing flexibility in choosing the most suitable microcontroller for specific applications.

In conclusion