LM3S2276-IQR50-A0T

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics: Low power consumption, high performance, integrated peripherals
• Package: QFP (Quad Flat Package)
• Essence: ARM Cortex-M3 core microcontroller
• Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Speed: 50 MHz
• Flash Memory: 128 KB
• RAM: 32 KB
• Operating Voltage: 2.7V - 3.6V
• Digital I/O Pins: 40
• Analog Input Channels: 8
• Serial Communication Interfaces: UART, SPI, I2C
• Timers: 4 x 16-bit, 1 x 32-bit
• ADC Resolution: 12-bit
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM3S2276-IQR50-A0T microcontroller has a total of 64 pins. The pin configuration is as follows:

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, and I2C for easy communication
• Multiple timers for precise timing and event management
• 12-bit ADC for accurate analog signal acquisition
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages: - Powerful ARM Cortex-M3 core provides high processing capabilities - Low power consumption extends battery life in portable devices - Integrated peripherals simplify system design and reduce external component count - Wide operating temperature range allows for use in various environments

Disadvantages: - Limited flash memory and RAM compared to some other microcontrollers - Limited number of digital I/O pins may restrict the complexity of projects

Working Principles

The LM3S2276-IQR50-A0T microcontroller is based on the ARM Cortex-M3 core architecture. It executes instructions stored in its flash memory and interacts with external components through its integrated peripherals. The microcontroller operates at a clock speed of 50 MHz and can communicate with other devices using UART, SPI, and I2C interfaces. It also features timers for precise timing control and an ADC for analog signal acquisition.

Detailed Application Field Plans

The LM3S2276-IQR50-A0T microcontroller finds applications in various fields, including:

1. Industrial Automation: Control systems, motor drives, and monitoring devices.
2. Consumer Electronics: Smart home devices, wearable technology, and remote controls.
3. Automotive: Vehicle diagnostics, infotainment systems, and engine management.
4. Internet of Things (IoT): Connected devices, sensor networks, and data acquisition.
5. Medical Devices: Patient monitoring, diagnostic equipment, and medical imaging.

Alternative Models

1. LM3S2110-IQR50-A0T: Similar microcontroller with lower flash memory and fewer peripherals.
2. LM3S2678-IQR50-A0T: Higher-end microcontroller with more flash memory and additional features.
3. LM4F120H5QR: Upgraded version with improved performance and enhanced peripherals.

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