LM3S3749-IQC50-A0

Product Overview

Category: Microcontroller

Use: The LM3S3749-IQC50-A0 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 - Flash memory for program storage - SRAM for data storage - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converters (ADC) - Timers and PWM outputs - GPIO pins for general-purpose input/output

Package: The LM3S3749-IQC50-A0 comes in a compact integrated circuit package, suitable for surface mount technology (SMT) assembly. The package ensures easy integration into electronic circuits and provides protection against environmental factors.

Essence: The LM3S3749-IQC50-A0 is a versatile microcontroller that combines processing power, memory, and various peripherals in a single chip. It serves as the brain of embedded systems, enabling them to perform specific tasks efficiently.

Packaging/Quantity: The LM3S3749-IQC50-A0 is typically sold in reels or trays, containing multiple units per package. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Processor: ARM Cortex-M3 core running at up to 50 MHz
• Memory:
  • 128 KB flash memory for program storage
  • 16 KB SRAM for data storage
• Communication Interfaces:
  • 4 UART modules
  • 2 SPI modules
  • 2 I2C modules
• Analog-to-Digital Converters (ADC): 12-bit resolution, up to 8 channels
• Timers: Multiple timers with various modes and outputs
• General-Purpose Input/Output (GPIO): Up to 49 GPIO pins

Detailed Pin Configuration

The LM3S3749-IQC50-A0 has a total of 100 pins. The pin configuration is as follows:

• Pins 1-10: Power supply and ground pins
• Pins 11-30: General-purpose input/output (GPIO) pins
• Pins 31-40: Analog-to-digital converter (ADC) input pins
• Pins 41-60: Communication interface pins (UART, SPI, I2C)
• Pins 61-80: Timer and PWM output pins
• Pins 81-100: Additional GPIO and control pins

Functional Features

• High-performance processing: The ARM Cortex-M3 core provides efficient execution of instructions, enabling fast and reliable operation.
• Ample memory: The flash memory and SRAM allow for storing program code and data, respectively, ensuring smooth execution of tasks.
• Versatile communication interfaces: The UART, SPI, and I2C modules facilitate seamless communication with other devices or systems.
• Precise analog-to-digital conversion: The ADCs provide accurate measurement of analog signals, enabling precise monitoring and control.
• Flexible timer and PWM outputs: The timers and PWM outputs offer various modes and configurations, allowing for precise timing and control of external devices.
• Extensive GPIO capabilities: The numerous GPIO pins provide flexibility in connecting external components and sensors.

Advantages and Disadvantages

Advantages: - Powerful processing capabilities - Ample memory for program and data storage - Multiple communication interfaces for versatile connectivity - Accurate analog-to-digital conversion - Flexible timer and PWM outputs - Extensive GPIO capabilities

Disadvantages: - Limited number of ADC channels - Higher cost compared to simpler microcontrollers - Steeper learning curve for beginners due to advanced features

Working Principles

The LM3S3749-IQC50-A0 operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data using the ARM Cortex-M3 core, and interacts with external devices through various peripherals.

Upon power-up, the microcontroller initializes its internal components and starts executing the program code stored in the flash memory. It can communicate with other devices using the available communication interfaces, read analog signals through the ADCs, generate precise timing using timers, and control external devices using GPIO pins.

The working principles of the LM3S3749-IQC50-A0 enable it to perform specific tasks in embedded systems, such as controlling motors, collecting sensor data, communicating with other devices, and implementing complex algorithms.

Detailed Application Field Plans

The LM3S3749-IQC50-A0 finds applications in various fields, including but not limited to:

1. Industrial Automation: Controlling machinery, monitoring sensors, and managing production processes.
2. Internet of Things (IoT): Enabling connectivity and data exchange between IoT devices.
3. Automotive Systems: Managing vehicle subsystems,