LM3S6938-EQC50-A2

Product Overview

Category: Microcontroller

Use: The LM3S6938-EQC50-A2 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 - RAM 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 LM3S6938-EQC50-A2 comes in a compact and durable package that ensures protection during handling and installation. The package is designed to be easily mounted on printed circuit boards (PCBs) and integrated into electronic systems.

Essence: The essence of the LM3S6938-EQC50-A2 lies in its ability to provide a powerful processing platform for embedded systems. It combines high-performance computing capabilities with various peripherals and interfaces, making it suitable for a wide range of applications.

Packaging/Quantity: The LM3S6938-EQC50-A2 is typically packaged in reels or trays, depending on the quantity ordered. The exact packaging and quantity can vary based on customer requirements and supplier specifications.

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Speed: Up to 50 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converters: 12-bit, up to 16 channels
• Timers: 4 x 32-bit timers
• PWM Outputs: Up to 6 channels
• GPIO Pins: Up to 50 pins

Detailed Pin Configuration

The LM3S6938-EQC50-A2 has a variety of pins that serve different purposes. Here is a brief overview of the pin configuration:

• Power Supply Pins: These pins provide power to the microcontroller and are typically connected to a regulated power source.
• Ground Pins: These pins are connected to the ground reference of the system.
• I/O Pins: These pins can be configured as inputs or outputs and are used for communication with external devices or for general-purpose I/O operations.
• Communication Interface Pins: These pins are dedicated to specific communication interfaces such as UART, SPI, or I2C.
• Analog Input Pins: These pins are used to connect analog sensors or other analog devices to the microcontroller's ADC channels.
• Reset Pin: This pin is used to reset the microcontroller.
• Clock Pins: These pins provide the clock signal required for the microcontroller's operation.

For a detailed pin configuration diagram and more information, please refer to the LM3S6938-EQC50-A2 datasheet.

Functional Features

The LM3S6938-EQC50-A2 offers several functional features that enhance its usability and performance in embedded systems:

1. High-performance Processing: The ARM Cortex-M3 core provides efficient and powerful processing capabilities, enabling the microcontroller to handle complex tasks and algorithms.
2. Ample Memory: With 256 KB of flash memory and 64 KB of RAM, the LM3S6938-EQC50-A2 can store program code and data efficiently.
3. Versatile Communication Interfaces: The microcontroller supports popular communication interfaces like UART, SPI, and I2C, allowing seamless integration with other devices and systems.
4. Analog-to-Digital Conversion: The built-in ADCs enable the microcontroller to interface with analog sensors and convert analog signals into digital data for processing.
5. Timers and PWM Outputs: The timers and PWM outputs provide precise timing control and enable the generation of analog-like signals for various applications.
6. GPIO Pins: The general-purpose I/O pins offer flexibility in connecting external devices and sensors, allowing for customization and expansion.

Advantages and Disadvantages

Advantages: - Powerful ARM Cortex-M3 core for high-performance computing - Ample memory for program storage and data handling - Versatile communication interfaces for seamless integration - Built-in ADCs for analog signal acquisition - Timers and PWM outputs for precise timing control - GPIO pins for flexible connectivity

Disadvantages: - Limited number of GPIO pins compared to some other microcontrollers - Higher cost compared to lower-end microcontrollers with similar features

Working Principles

The LM3S6938-EQC50-A2 operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data using its CPU, and communicates with external devices through its various interfaces. The microcontroller's working principles involve fetching instructions from