LM3S9D81-IQC80-A1T

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: LQFP-80
• Essence: ARM Cortex-M3 core microcontroller
• Packaging/Quantity: Individual units

Specifications

• Core: ARM Cortex-M3
• Clock Speed: 50 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Operating Voltage: 2.7V - 3.6V
• I/O Pins: 53
• Communication Interfaces: UART, SPI, I2C, USB
• Analog-to-Digital Converter (ADC): 12-bit, 8 channels
• Timers: 4 x 32-bit, 2 x 16-bit
• PWM Outputs: 6
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3S9D81-IQC80-A1T microcontroller has a total of 80 pins in the LQFP package. The pin configuration is as follows:

• Pins 1-4: Ground (GND)
• Pins 5-8: Power Supply (VDD)
• Pins 9-12: Analog Input/Output (AIN0-AIN3)
• Pins 13-20: General-Purpose Input/Output (GPIO0-GPIO7)
• Pins 21-28: General-Purpose Input/Output (GPIO8-GPIO15)
• Pins 29-36: General-Purpose Input/Output (GPIO16-GPIO23)
• Pins 37-44: General-Purpose Input/Output (GPIO24-GPIO31)
• Pins 45-52: General-Purpose Input/Output (GPIO32-GPIO39)
• Pins 53-60: General-Purpose Input/Output (GPIO40-GPIO47)
• Pins 61-68: General-Purpose Input/Output (GPIO48-GPIO55)
• Pins 69-76: General-Purpose Input/Output (GPIO56-GPIO63)
• Pins 77-80: Power Supply (VDD)

Functional Features

• High-performance ARM Cortex-M3 core for efficient processing
• Low-power consumption for extended battery life in portable devices
• Integrated peripherals such as UART, SPI, I2C, and USB for easy communication
• 12-bit ADC for accurate analog signal conversion
• Timers and PWM outputs for precise timing and control

Advantages and Disadvantages

Advantages: - High-performance processing capabilities - Low-power consumption for energy-efficient designs - Integrated peripherals simplify system design and reduce external components - Ample memory for storing program code and data - Wide operating temperature range allows for use in various environments

Disadvantages: - Limited number of I/O pins may restrict the number of external devices that can be connected - LQFP package may require surface mount soldering expertise

Working Principles

The LM3S9D81-IQC80-A1T microcontroller operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory to perform various tasks. The integrated peripherals allow it to communicate with other devices and interact with the external world. The low-power design ensures efficient operation, making it suitable for battery-powered applications.

Detailed Application Field Plans

The LM3S9D81-IQC80-A1T microcontroller finds applications in a wide range of fields, including: - Industrial automation - Home automation - Automotive electronics - Medical devices - Consumer electronics - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

• LM3S9D96-IQC80-A1T: Similar to LM3S9D81-IQC80-A1T but with higher flash memory capacity (512 KB)
• LM3S9B92-IQC80-A1T: Similar to LM3S9D81-IQC80-A1T but with lower flash memory capacity (128 KB)
• LM4F120H5QR: ARM Cortex-M4 based microcontroller with additional features such as a floating-point unit

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