LM3S9D81-IQC80-A2

Product Overview

Category

The LM3S9D81-IQC80-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 of up to 80 MHz
• Flash memory capacity of 512 KB
• RAM capacity of 96 KB
• Integrated peripherals for versatile functionality
• Low power consumption
• Wide operating voltage range
• Robust and reliable design

Package

The LM3S9D81-IQC80-A2 is available in a compact quad flat package (QFP) with 80 pins.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of applications.

Packaging/Quantity

The LM3S9D81-IQC80-A2 is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Microcontroller family: LM3S
• Model: 9D81
• Operating voltage: 2.7V - 3.6V
• Maximum clock frequency: 80 MHz
• Flash memory size: 512 KB
• RAM size: 96 KB
• Number of pins: 80
• Communication interfaces: UART, SPI, I2C, USB
• Analog-to-digital converter (ADC) resolution: 12-bit
• Timers/counters: 4
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The LM3S9D81-IQC80-A2 microcontroller has a total of 80 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-10: Digital I/O pins
• Pins 11-20: Analog input pins
• Pins 21-30: Communication interface pins (UART, SPI, I2C)
• Pins 31-40: Timer/counter pins
• Pins 41-50: Power supply and ground pins
• Pins 51-60: Additional digital I/O pins
• Pins 61-70: Reserved for future use
• Pins 71-80: USB interface and miscellaneous pins

Functional Features

The LM3S9D81-IQC80-A2 microcontroller offers a range of functional features that enhance its versatility and performance. Some notable features include:

• High-speed data processing capabilities
• Multiple communication interfaces for seamless connectivity
• Integrated analog-to-digital converter for precise measurement and control
• Timers/counters for accurate timing and event management
• Low power consumption modes for energy efficiency
• Robust protection mechanisms against electrical faults and disturbances
• Extensive peripheral support for various applications

Advantages and Disadvantages

Advantages

• Powerful processing capabilities for demanding applications
• Versatile communication interfaces for easy integration with other devices
• Ample memory capacity for storing program code and data
• Efficient power management options for optimized energy usage
• Reliable and durable design for long-term operation

Disadvantages

• Relatively higher cost compared to simpler microcontrollers
• Steeper learning curve for programming and utilizing advanced features
• Limited availability of alternative models with similar specifications

Working Principles

The LM3S9D81-IQC80-A2 microcontroller operates based on the principles of digital logic and embedded systems. It executes instructions stored in its flash memory to perform specific tasks, such as data processing, communication, and control. The core ARM Cortex-M3 processor handles these operations efficiently, while the integrated peripherals provide additional functionality as required by the application.

Detailed Application Field Plans

The LM3S9D81-IQC80-A2 microcontroller finds applications in various fields, including:

1. Industrial automation: Controlling and monitoring machinery and processes.
2. Consumer electronics: Power management, user interface control, and data processing in devices like smart home systems, appliances, and wearable devices.
3. Automotive systems: Engine control, dashboard displays, and safety features.
4. Medical devices: Patient monitoring, diagnostics, and treatment equipment.
5. Internet of Things (IoT): Connecting and controlling devices in a networked environment.

Detailed and Complete Alternative Models

While the LM3S9D81-IQC80-A2 offers powerful features, there are alternative microcontrollers available with similar specifications. Some notable alternatives include:

1. STM32F407VG: A 32-bit ARM Cortex-M4 microcontroller with comparable performance and peripheral support.
2. PIC32MZ2048EFH144: A 32-bit MIPS-based microcontroller offering similar capabilities and extensive peripheral integration.
3. MSP432P401R: A low-power ARM Cortex-M4