LM3S1R26-IQR80-C3

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: Individual units

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Speed: 80 MHz
• Flash Memory: 256 KB
• RAM: 32 KB
• Operating Voltage: 3.3V
• Digital I/O Pins: 40
• Analog Input Channels: 8
• Serial Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 4
• ADC Resolution: 12-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3S1R26-IQR80-C3 microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Analog input channels
• Pins 9-16: Digital I/O pins
• Pins 17-24: Serial communication interfaces (UART, SPI, I2C)
• Pins 25-28: Timers/Counters
• Pins 29-32: Power supply and ground pins
• Pins 33-64: Reserved for future use

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 with other devices
• Ample flash memory and RAM for storing and executing code
• Multiple timers/counters for precise timing and event management
• 12-bit ADC for accurate analog signal acquisition

Advantages and Disadvantages

Advantages: - High-performance microcontroller suitable for demanding applications - Low power consumption ideal for battery-powered devices - Integrated peripherals simplify system design and reduce external component count - Ample memory for storing code and data - Wide operating temperature range allows usage in harsh environments

Disadvantages: - Limited number of digital I/O pins may restrict the number of connected devices - Higher cost compared to simpler microcontrollers with fewer features

Working Principles

The LM3S1R26-IQR80-C3 microcontroller is based on the ARM Cortex-M3 core, which provides a powerful and efficient processing platform. It operates at a clock speed of 80 MHz and utilizes low power techniques to minimize energy consumption.

The microcontroller integrates various peripherals such as UART, SPI, and I2C, which enable seamless communication with other devices. These peripherals can be used to interface with sensors, actuators, displays, and other components in an embedded system or IoT device.

The microcontroller's flash memory and RAM provide storage space for program code and data, allowing the device to execute complex algorithms and store information during operation.

Detailed Application Field Plans

The LM3S1R26-IQR80-C3 microcontroller finds applications in various fields, including:

1. Industrial Automation: Used in control systems for monitoring and controlling industrial processes.
2. Home Automation: Enables automation and remote control of household appliances and systems.
3. Smart Energy Management: Facilitates efficient energy monitoring and management in smart grid systems.
4. Healthcare Devices: Powers medical devices such as patient monitors and portable diagnostic equipment.
5. Automotive Electronics: Used in automotive control systems, infotainment systems, and vehicle diagnostics.

Detailed and Complete Alternative Models

1. LM3S9B96-IQC80-C5: Similar to LM3S1R26-IQR80-C3, but with higher flash memory capacity (512 KB) and more digital I/O pins.
2. LM4F120H5QR: ARM Cortex-M4 based microcontroller with additional features such as a floating-point unit and USB connectivity.
3. STM32F407VGT6: Another ARM Cortex-M4 microcontroller with higher clock speed (168 MHz) and larger RAM capacity (192 KB).

These alternative models offer different specifications and features, allowing users to choose the most suitable microcontroller for their specific application requirements.

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