LM3S9U90-IQC80-A2T

Overview

Product Category: Microcontroller

Use: The LM3S9U90-IQC80-A2T is a microcontroller designed for embedded systems applications. It provides the necessary processing power and peripherals to control and monitor various devices and systems.

Characteristics: - High-performance ARM Cortex-M3 core - Integrated memory (Flash and RAM) - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converters (ADC) - Timers and PWM outputs - Real-time clock (RTC) - Low power consumption - Small form factor

Package: The LM3S9U90-IQC80-A2T comes in a compact quad flat package (QFP) with 80 pins. This package allows for easy integration onto printed circuit boards (PCBs) and ensures reliable electrical connections.

Essence: The essence of the LM3S9U90-IQC80-A2T lies in its ability to provide a complete solution for embedded system development. It combines a powerful processor, ample memory, and various peripherals in a single chip, reducing the need for external components and simplifying the design process.

Packaging/Quantity: The LM3S9U90-IQC80-A2T is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Processor: ARM Cortex-M3 core running at up to 80 MHz
• Memory:
  • 256 KB Flash memory for program storage
  • 64 KB RAM for data storage
• Communication Interfaces:
  • 4 UART modules
  • 2 SPI modules
  • 2 I2C modules
• Analog-to-Digital Converters (ADC):
  • 12-bit resolution
  • Up to 16 channels
• Timers:
  • 6 general-purpose timers
  • 2 watchdog timers
• PWM Outputs: Up to 8 channels
• Real-Time Clock (RTC): Integrated RTC for timekeeping and scheduling
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM3S9U90-IQC80-A2T has a total of 80 pins, which are assigned to various functions and peripherals. The pin configuration is as follows:

[Insert detailed pin configuration diagram here]

Functional Features

The LM3S9U90-IQC80-A2T offers several functional features that make it suitable for a wide range of applications. Some of the key features include:

1. High Performance: The ARM Cortex-M3 core provides excellent processing power, enabling efficient execution of complex algorithms and tasks.

2. Ample Memory: With 256 KB of Flash memory and 64 KB of RAM, the microcontroller can store program code and data efficiently.

3. Versatile Communication Interfaces: The multiple UART, SPI, and I2C modules allow seamless integration with other devices and systems.

4. Analog-to-Digital Conversion: The built-in ADCs enable accurate measurement and conversion of analog signals, making it suitable for sensor interfacing.

5. Timers and PWM Outputs: The timers and PWM outputs provide precise timing control and enable generation of analog-like signals.

6. Real-Time Clock: The integrated RTC allows for timekeeping and scheduling of events, making it suitable for applications requiring accurate time management.

7. Low Power Consumption: The microcontroller is designed to operate efficiently in low-power modes, extending battery life in portable applications.

Advantages and Disadvantages

Advantages: - Powerful ARM Cortex-M3 core for high-performance applications - Ample memory for program storage and data handling - Multiple communication interfaces for seamless integration - Built-in ADCs for accurate analog signal measurement - Timers and PWM outputs for precise timing control - Integrated RTC for timekeeping and scheduling - Low power consumption for energy-efficient operation

Disadvantages: - Limited number of pins may restrict the number of peripherals that can be connected simultaneously - Higher cost compared to simpler microcontrollers with fewer features - Steeper learning curve for beginners due to the complexity of the ARM Cortex-M3 architecture

Working Principles

The LM3S9U90-IQC80-A2T operates based on the principles of a microcontroller. It executes instructions stored in its Flash memory, processes data using its CPU, and interacts with external devices through its various peripherals.

Upon power-up, the microcontroller initializes its internal components and starts executing the program code stored in its Flash memory. It communicates with other devices using the available communication interfaces, reads analog signals through the ADCs, generates precise timing using timers and PWM outputs, and keeps track of