LM3S8971-IQC50-A2

Product Overview

Category

The LM3S8971-IQC50-A2 belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications, including industrial control systems, consumer electronics, and automotive applications.

Characteristics

• High-performance ARM Cortex-M3 core
• Clock speed: 50 MHz
• Flash memory: 256 KB
• RAM: 64 KB
• Operating voltage: 3.3V
• Package type: LQFP (Low-profile Quad Flat Package)
• Temperature range: -40°C to +85°C

Package and Quantity

The LM3S8971-IQC50-A2 is available in a LQFP package. It is typically sold in reels or trays containing a specific quantity, such as 250 units per reel.

Specifications

• Core: ARM Cortex-M3
• Clock Speed: 50 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Operating Voltage: 3.3V
• I/O Pins: 50
• Communication Interfaces: UART, SPI, I2C, USB
• Analog-to-Digital Converter (ADC): 12-bit, 8 channels
• Timers: 4 x 16-bit timers, 2 x 32-bit timers
• PWM Outputs: Up to 6 channels
• DMA Channels: 8
• Watchdog Timer: Yes
• Real-Time Clock (RTC): Yes

Pin Configuration

The LM3S8971-IQC50-A2 has a total of 100 pins. The pin configuration is as follows:

• Pins 1-10: Ground (GND)
• Pins 11-20: VDD Power Supply
• Pins 21-30: General-purpose I/O (GPIO) pins
• Pins 31-40: Communication interface pins (UART, SPI, I2C)
• Pins 41-50: Analog input pins (ADC)
• Pins 51-60: Timer and PWM output pins
• Pins 61-70: DMA channel pins
• Pins 71-80: Additional GPIO pins
• Pins 81-90: Reserved for future use
• Pins 91-100: Ground (GND)

Functional Features

• High-performance ARM Cortex-M3 core provides efficient processing capabilities.
• Ample flash memory and RAM allow for the execution of complex applications.
• Multiple communication interfaces enable seamless integration with other devices.
• The built-in ADC allows for analog signal acquisition and processing.
• Timers and PWM outputs facilitate precise timing and control.
• DMA channels enhance data transfer efficiency.
• Watchdog timer ensures system reliability.
• Real-time clock enables timekeeping functionality.

Advantages and Disadvantages

Advantages

• Powerful processing capabilities due to the ARM Cortex-M3 core.
• Sufficient memory for complex applications.
• Versatile communication interfaces for seamless connectivity.
• Precise timing and control through timers and PWM outputs.
• Enhanced data transfer efficiency with DMA channels.
• Reliable operation ensured by the watchdog timer.
• Timekeeping functionality provided by the real-time clock.

Disadvantages

• Limited number of I/O pins may restrict the number of external devices that can be connected.
• Temperature range limited to -40°C to +85°C, which may not be suitable for extreme environments.

Working Principles

The LM3S8971-IQC50-A2 operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory and utilizes its peripherals to perform various tasks. The microcontroller interacts with external devices through its I/O pins and communication interfaces. It processes data, controls timing, and manages resources to fulfill the requirements of the embedded application it is used in.

Detailed Application Field Plans

The LM3S8971-IQC50-A2 can be applied in various fields, including but not limited to: - Industrial control systems - Consumer electronics - Automotive applications - Home automation - Medical devices - Internet of Things (IoT) devices

Alternative Models

• LM3S8962-IQC50-A2: Similar specifications with a lower flash memory capacity of 128 KB.
• LM3S8970-IQC50-A2: Similar specifications with a higher flash memory capacity of 512 KB.
• LM3S8976-IQC50-A2: Similar specifications with additional Ethernet connectivity.

These alternative models provide options based on specific project requirements and memory needs.

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