LM3S2139-EQC25-A2

Product Overview

Category

The LM3S2139-EQC25-A2 belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 32-bit ARM Cortex-M3 core
• Clock speed: 50 MHz
• Flash memory: 128 KB
• RAM: 8 KB
• Operating voltage: 2.7V - 3.6V
• Package type: LQFP (Low-profile Quad Flat Package)
• Temperature range: -40°C to +85°C

Package and Quantity

The LM3S2139-EQC25-A2 is available in a LQFP package. It is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Core: ARM Cortex-M3
• Clock Speed: 50 MHz
• Flash Memory: 128 KB
• RAM: 8 KB
• Input/Output Pins: 64
• Communication Interfaces: UART, I2C, SPI, USB
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Timers: 4 general-purpose timers, 1 watchdog timer
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3S2139-EQC25-A2 has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Digital I/O pins
• Pins 9-16: Analog input pins
• Pins 17-24: Communication interface pins (UART, I2C, SPI, USB)
• Pins 25-32: Timer pins
• Pins 33-40: Power supply and ground pins
• Pins 41-48: Additional digital I/O pins
• Pins 49-56: Reserved for future use
• Pins 57-64: JTAG interface pins

Functional Features

• High-performance ARM Cortex-M3 core provides efficient processing capabilities.
• Ample flash memory and RAM allow for the storage and execution of complex programs.
• Multiple communication interfaces enable seamless integration with other devices.
• Analog-to-Digital Converter (ADC) facilitates analog signal acquisition.
• Timers provide precise timing control for various applications.
• Low-power consumption ensures energy efficiency.

Advantages and Disadvantages

Advantages

• Powerful processing capabilities due to the ARM Cortex-M3 core.
• Ample memory for storing and executing complex programs.
• Versatile communication interfaces for seamless integration.
• Precise timing control with the help of timers.
• Low-power consumption for energy-efficient operation.

Disadvantages

• Limited number of input/output pins may restrict the connectivity options in some applications.
• Relatively small amount of RAM compared to some other microcontrollers.

Working Principles

The LM3S2139-EQC25-A2 operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data, and controls various peripherals and interfaces. The ARM Cortex-M3 core provides the computational power required for these operations. The microcontroller interacts with external devices through its input/output pins and communication interfaces.

Detailed Application Field Plans

The LM3S2139-EQC25-A2 finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Medical devices - Automotive systems - Internet of Things (IoT) devices - Robotics

Alternative Models

For those seeking alternatives to the LM3S2139-EQC25-A2, the following microcontrollers can be considered: - STM32F103C8T6 - PIC18F4550 - ATmega328P - MSP430G2553

These alternative models offer similar functionalities and are widely used in the industry.

In conclusion, the LM3S2139-EQC25-A2 is a high-performance microcontroller with an ARM Cortex-M3 core. It offers ample memory, versatile communication interfaces, and precise timing control. While it has some limitations in terms of pin count and RAM size, it is suitable for various applications in different fields.