LM3S1850-EQC50-A2T

Product Overview

Category: Microcontroller

Use: The LM3S1850-EQC50-A2T is a microcontroller designed for embedded systems applications. It provides a wide range of features and capabilities to support various electronic devices and systems.

Characteristics: - High-performance ARM Cortex-M3 core - Flash memory for program storage - SRAM for data storage - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converters (ADC) - Timers and PWM outputs - GPIO pins for general-purpose input/output

Package: The LM3S1850-EQC50-A2T comes in a compact quad flat package (QFP) with 100 pins. This package allows for easy integration into circuit boards and provides good thermal dissipation.

Essence: The essence of the LM3S1850-EQC50-A2T lies in its ability to provide a powerful processing platform for embedded systems. It combines a high-performance processor core with various peripherals and memory options, making it suitable for a wide range of applications.

Packaging/Quantity: The LM3S1850-EQC50-A2T is typically sold individually or in small quantities. It is packaged in an anti-static bag to protect it from electrostatic discharge during handling and shipping.

Specifications

• Processor Core: ARM Cortex-M3
• Clock Speed: Up to 50 MHz
• Flash Memory: 128 KB
• SRAM: 16 KB
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converters: 8 channels, 12-bit resolution
• Timers: 4 general-purpose timers, 6 PWM outputs
• GPIO Pins: 64 general-purpose I/O pins

Detailed Pin Configuration

The LM3S1850-EQC50-A2T has a total of 100 pins. The pin configuration is as follows:

• Pins 1-20: General-purpose I/O (GPIO) pins
• Pins 21-28: Analog-to-digital converter (ADC) inputs
• Pins 29-36: UART communication interface
• Pins 37-44: Serial peripheral interface (SPI)
• Pins 45-52: Inter-integrated circuit (I2C) interface
• Pins 53-60: Timers and PWM outputs
• Pins 61-100: Power supply and ground pins

Functional Features

The LM3S1850-EQC50-A2T offers several functional features that enhance its performance and versatility:

1. High-performance Processor: The ARM Cortex-M3 core provides efficient processing capabilities, enabling the microcontroller to handle complex tasks.
2. Ample Memory: With 128 KB of flash memory and 16 KB of SRAM, the LM3S1850-EQC50-A2T can store program code and data efficiently.
3. Versatile Communication Interfaces: The microcontroller supports UART, SPI, and I2C interfaces, allowing for seamless integration with other devices and systems.
4. Analog-to-Digital Conversion: The built-in ADCs enable the microcontroller to convert analog signals into digital values, making it suitable for sensor-based applications.
5. Timers and PWM Outputs: The LM3S1850-EQC50-A2T features timers and PWM outputs, facilitating precise timing control and generation of analog-like signals.
6. GPIO Pins: The general-purpose I/O pins provide flexibility for connecting external components and peripherals.

Advantages and Disadvantages

Advantages: - Powerful processing capabilities - Ample memory for program and data storage - Versatile communication interfaces - Built-in analog-to-digital converters - Timers and PWM outputs for precise timing control - Flexible GPIO pins for easy integration

Disadvantages: - Limited number of I/O pins compared to some other microcontrollers - Higher cost compared to lower-end microcontrollers

Working Principles

The LM3S1850-EQC50-A2T operates based on the principles of a typical microcontroller. It executes instructions stored in its flash memory, processes data using its processor core, and interacts with external devices through its various communication interfaces.

The microcontroller's working principles can be summarized as follows: 1. Power-on: The LM3S1850-EQC50-A2T receives power from an external source, enabling it to start functioning. 2. Initialization: The microcontroller initializes its internal components, sets up communication interfaces, and configures peripherals according to the program code. 3. Program Execution: The microcontroller fetches instructions from its flash memory, decodes them, and executes the corresponding operations. 4. Input/Output Operations: The microcontroller interacts with external devices through its GPIO pins, communication interfaces, and other peripherals. 5.