LM3S9971-IQC80-C3T

Product Overview

Category: Microcontroller

Use: The LM3S9971-IQC80-C3T is a microcontroller designed for embedded systems and IoT applications. It provides a wide range of features and capabilities to support various electronic projects.

Characteristics: - High-performance ARM Cortex-M3 core - 80 MHz clock speed - 256 KB flash memory - 64 KB RAM - 80-pin LQFP package - Low power consumption - Integrated peripherals (UART, SPI, I2C, ADC, etc.) - Real-time clock (RTC) - Ethernet MAC controller

Package/Quantity: The LM3S9971-IQC80-C3T comes in an 80-pin LQFP (Low Profile Quad Flat Package) package. It is available in tape and reel packaging with a quantity of 250 units per reel.

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Speed: 80 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 80-pin LQFP
• Integrated Peripherals: UART, SPI, I2C, ADC, PWM, USB, Ethernet MAC, RTC

Pin Configuration

The LM3S9971-IQC80-C3T has a total of 80 pins. Here is a brief overview of the pin configuration:

• Pins 1-10: Analog input pins (ADC)
• Pins 11-20: General-purpose I/O pins
• Pins 21-30: UART interface pins
• Pins 31-40: SPI interface pins
• Pins 41-50: I2C interface pins
• Pins 51-60: PWM output pins
• Pins 61-70: USB interface pins
• Pins 71-80: Miscellaneous pins (Ethernet MAC, RTC, etc.)

For a detailed pin configuration diagram, please refer to the LM3S9971-IQC80-C3T datasheet.

Functional Features

The LM3S9971-IQC80-C3T offers several functional features that make it suitable for a wide range of applications:

1. High Performance: The ARM Cortex-M3 core provides excellent processing power and performance for demanding applications.
2. Integrated Peripherals: The microcontroller includes various integrated peripherals such as UART, SPI, I2C, ADC, PWM, USB, Ethernet MAC, and RTC, allowing for easy interfacing with external devices.
3. Low Power Consumption: The LM3S9971-IQC80-C3T is designed to minimize power consumption, making it ideal for battery-powered or energy-efficient applications.
4. Ample Memory: With 256 KB of flash memory and 64 KB of RAM, the microcontroller can store and process substantial amounts of data.
5. Real-Time Clock: The built-in real-time clock enables accurate timekeeping and scheduling capabilities in applications that require precise timing.

Advantages and Disadvantages

Advantages: - High-performance ARM Cortex-M3 core - Integrated peripherals simplify system design - Low power consumption extends battery life - Ample memory for data storage and processing - Real-time clock for accurate timekeeping

Disadvantages: - Limited number of I/O pins (80 pins) - Relatively high cost compared to lower-end microcontrollers - Steeper learning curve for beginners due to advanced features

Working Principles

The LM3S9971-IQC80-C3T operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory and interacts with external devices through its integrated peripherals. The microcontroller's core handles data processing, while the peripherals facilitate communication and control with other components.

The working principles of the LM3S9971-IQC80-C3T are based on a combination of hardware and software programming. Developers write code to control the microcontroller's behavior and utilize its features to implement desired functionality.

Application Field Plans

The LM3S9971-IQC80-C3T is suitable for various application fields, including but not limited to:

1. Industrial Automation: The microcontroller can be used in industrial automation systems to control machinery, monitor sensors, and communicate with other devices.
2. Home Automation: It can serve as the brain of home automation systems, enabling control over lighting, security, HVAC, and other smart home features.
3. Internet of Things (IoT): With its integrated Ethernet MAC and low power consumption, the LM3S9971-IQC80-C3T is well-suited for IoT applications, such as remote monitoring and control systems.
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