LM3S6918-EQC50-A2T

Product Overview

Category: Microcontroller

Use: The LM3S6918-EQC50-A2T is a microcontroller designed for embedded systems and applications that require high-performance processing capabilities. It is commonly used in industrial automation, consumer electronics, and automotive applications.

Characteristics: - High-performance ARM Cortex-M3 core - 256KB Flash memory - 64KB RAM - 50MHz clock speed - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converter (ADC) - Real-time clock (RTC) - Low power consumption

Package: The LM3S6918-EQC50-A2T comes in a compact quad flat package (QFP) with 100 pins, making it suitable for space-constrained designs.

Essence: This microcontroller combines a powerful processor core with a range of integrated peripherals, enabling developers to create feature-rich and efficient embedded systems.

Packaging/Quantity: The LM3S6918-EQC50-A2T is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Processor Core: ARM Cortex-M3
• Clock Speed: 50MHz
• Flash Memory: 256KB
• RAM: 64KB
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 12-bit resolution, 8 channels
• Real-Time Clock (RTC): Yes
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Quad Flat Package (QFP)
• Pin Count: 100

Detailed Pin Configuration

The LM3S6918-EQC50-A2T has a total of 100 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-10: Analog input pins
• Pins 11-20: General-purpose I/O pins
• Pins 21-30: Communication interface pins (UART, SPI, I2C)
• Pins 31-40: Power supply and ground pins
• Pins 41-50: Clock and reset pins
• Pins 51-60: External interrupt pins
• Pins 61-70: Timer/counter pins
• Pins 71-80: PWM output pins
• Pins 81-90: Serial peripheral interface pins
• Pins 91-100: JTAG interface pins

Functional Features

The LM3S6918-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 256KB of Flash memory and 64KB of RAM, the LM3S6918-EQC50-A2T can store and process large amounts of data.
3. Communication Interfaces: The microcontroller supports UART, SPI, and I2C interfaces, allowing seamless integration with other devices and systems.
4. Analog-to-Digital Converter: The built-in ADC enables precise measurement and conversion of analog signals, making it suitable for sensor-based applications.
5. Real-Time Clock: The integrated RTC provides accurate timekeeping functionality, essential for applications that require time-sensitive operations.
6. Low Power Consumption: The LM3S6918-EQC50-A2T is designed to minimize power consumption, making it suitable for battery-powered or energy-efficient applications.

Advantages and Disadvantages

Advantages: - Powerful processor core for efficient processing - Ample memory for data storage and processing - Multiple communication interfaces for seamless integration - Built-in ADC for accurate analog signal measurement - Real-time clock for time-sensitive applications - Low power consumption for energy efficiency

Disadvantages: - Limited number of pins may restrict the number of peripherals that can be connected simultaneously - Availability and pricing may vary depending on the region and supplier

Working Principles

The LM3S6918-EQC50-A2T operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its Flash memory, utilizing the integrated peripherals to interact with external devices and sensors. The microcontroller's high-performance processor core enables it to handle complex tasks efficiently, while the various communication interfaces facilitate data exchange with other components.

Detailed Application Field Plans

The LM3S6918-EQC50-A2T is well-suited for a wide range of applications, including:

1. Industrial Automation: The microcontroller can be used in industrial control systems, motor control, and process automation applications.
2. Consumer Electronics: It is suitable for