LM3S2950-IQC50-A2T

Product Overview

Category: Microcontroller

Use: The LM3S2950-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 - 32-bit RISC architecture - Clock speed up to 50 MHz - Flash memory size of 256 KB - RAM size of 64 KB - Integrated peripherals such as UART, SPI, I2C, ADC, and GPIO - Low power consumption - Small form factor

Package: The LM3S2950-IQC50-A2T comes in a compact quad flat package (QFP) with 100 pins. This package offers ease of integration into circuit boards and allows for efficient heat dissipation.

Essence: The essence of the LM3S2950-IQC50-A2T lies in its ability to provide a powerful and flexible platform for developing embedded systems. It combines high-performance processing capabilities with a rich set of integrated peripherals, making it suitable for a wide range of applications.

Packaging/Quantity: The LM3S2950-IQC50-A2T is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Microcontroller Family: Stellaris LM3S
• Core: ARM Cortex-M3
• Clock Speed: Up to 50 MHz
• Flash Memory Size: 256 KB
• RAM Size: 64 KB
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Integrated Peripherals: UART, SPI, I2C, ADC, GPIO
• Package Type: Quad Flat Package (QFP)
• Package Pins: 100
• Dimensions: 14mm x 14mm

Detailed Pin Configuration

The LM3S2950-IQC50-A2T has a total of 100 pins, each serving a specific function. Here is a brief overview of the pin configuration:

• Pins 1-10: Power supply and ground pins
• Pins 11-20: Analog input pins
• Pins 21-30: General-purpose I/O pins
• Pins 31-40: UART interface pins
• Pins 41-50: SPI interface pins
• Pins 51-60: I2C interface pins
• Pins 61-70: Timer/counter pins
• Pins 71-80: PWM output pins
• Pins 81-90: External interrupt pins
• Pins 91-100: Reserved for future use

For a detailed pinout diagram and more information on each pin's functionality, refer to the LM3S2950-IQC50-A2T datasheet.

Functional Features

The LM3S2950-IQC50-A2T offers several functional features that make it a versatile microcontroller for embedded systems development:

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

2. Integrated Peripherals: The microcontroller includes a range of peripherals such as UART, SPI, I2C, ADC, and GPIO, allowing for seamless communication with external devices and sensors.

3. Low Power Consumption: The LM3S2950-IQC50-A2T is designed to minimize power consumption, making it suitable for battery-powered applications or energy-efficient systems.

4. Flexible Memory Options: With 256 KB of flash memory and 64 KB of RAM, the microcontroller offers ample storage for program code and data.

5. Small Form Factor: The compact size of the QFP package allows for easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages: - Powerful ARM Cortex-M3 core for high-performance processing - Rich set of integrated peripherals for versatile connectivity options - Low power consumption for energy-efficient applications - Ample flash memory and RAM for storing program code and data - Compact form factor for easy integration

Disadvantages: - Limited number of pins may restrict the number of external devices that can be connected simultaneously - Availability and pricing may vary depending on the region and supplier

Working Principles

The LM3S2950-IQC50-A2T operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data using its ARM Cortex-M3 core, and communicates with external devices through its integrated peripherals.

Upon power-up, the microcontroller initializes its internal components and starts executing the program code stored in flash memory. It interacts with external devices by sending and receiving data through the UART, SPI,