LM3S2965-IQC50-A2T

Product Overview

Category: Microcontroller

Use: The LM3S2965-IQC50-A2T is a microcontroller designed for embedded systems applications. It provides a wide range of features and capabilities to support various electronic 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 LM3S2965-IQC50-A2T comes in a compact and durable package, suitable for surface mount technology (SMT) assembly. The package ensures reliable operation and protection against environmental factors.

Essence: This microcontroller serves as the brain of electronic devices, controlling their operation and facilitating communication with other components. It enables the execution of complex tasks and the integration of various functionalities into a single system.

Packaging/Quantity: The LM3S2965-IQC50-A2T is typically packaged in reels or trays, depending on the manufacturer's specifications. The quantity per package varies but is usually in the range of hundreds or thousands.

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Speed: Up to 50 MHz
• Flash Memory: 256 KB
• SRAM: 64 KB
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converters: 12-bit, up to 8 channels
• Timers: 4 x 16-bit timers, 2 x 32-bit timers
• PWM Outputs: Up to 6 channels
• GPIO Pins: Up to 50 pins

Detailed Pin Configuration

The LM3S2965-IQC50-A2T has a total of 64 pins, which are assigned to various functions and interfaces. The pin configuration is as follows:

• Pins 1-8: Analog-to-digital converter (ADC) inputs
• Pins 9-16: General-purpose input/output (GPIO) pins
• Pins 17-24: UART communication interface
• Pins 25-32: Serial peripheral interface (SPI)
• Pins 33-40: Inter-integrated circuit (I2C) interface
• Pins 41-48: Timers and PWM outputs
• Pins 49-56: Power supply and ground connections
• Pins 57-64: Reserved for future use

Functional Features

The LM3S2965-IQC50-A2T offers several functional features that enhance its usability and performance:

1. High-performance Core: The ARM Cortex-M3 core provides efficient processing capabilities, enabling the execution of complex algorithms and real-time tasks.

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

3. Versatile Communication Interfaces: The UART, SPI, and I2C interfaces facilitate seamless communication with other devices, allowing for data exchange and control.

4. Analog-to-Digital Conversion: The built-in ADCs enable the microcontroller to convert analog signals into digital values, making it suitable for applications involving sensors and measurement.

5. Timers and PWM Outputs: The timers and PWM outputs provide precise timing control and enable the generation of analog-like signals, essential for tasks such as motor control and audio synthesis.

6. GPIO Pins: The GPIO pins offer flexibility for connecting external components and peripherals, allowing customization and expansion of the system's functionality.

Advantages and Disadvantages

Advantages: - Powerful ARM Cortex-M3 core for efficient processing - Ample memory for program storage and data handling - Versatile communication interfaces for seamless integration with other devices - Analog-to-digital converters for sensor interfacing - Timers and PWM outputs for precise timing control and analog signal generation - GPIO pins for customization and expansion possibilities

Disadvantages: - Limited number of ADC channels (up to 8) - Relatively small flash memory compared to some other microcontrollers in the same category

Working Principles

The LM3S2965-IQC50-A2T operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data, and communicates with external devices through various interfaces. The ARM Cortex-M3 core provides the computational power, while the memory stores program code and data.

The microcontroller interacts with the external world through its GPIO pins, allowing input from sensors or user interfaces and outputting control signals to actuators or display devices. It can perform tasks in real-time, responding to events and executing algorithms efficiently.

Detailed Application