LM3S6938-IQC50-A2T

Product Overview

Category: Microcontroller

Use: The LM3S6938-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 - RAM 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 LM3S6938-IQC50-A2T comes in a compact and durable package, suitable for surface mount technology (SMT) assembly. The package ensures reliable operation and protection of the microcontroller.

Essence: The essence of the LM3S6938-IQC50-A2T lies in its ability to provide a powerful processing platform for embedded systems. It combines high-performance computing capabilities with various peripherals, making it suitable for a wide range of applications.

Packaging/Quantity: The LM3S6938-IQC50-A2T is typically packaged in reels or trays, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities of 100 or more.

Specifications

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

Detailed Pin Configuration

The LM3S6938-IQC50-A2T has a total of 100 pins, which are assigned to various functions and peripherals. The pin configuration is as follows:

• Pins 1-10: Power supply and ground
• Pins 11-30: GPIO pins
• Pins 31-40: UART interface
• Pins 41-50: SPI interface
• Pins 51-60: I2C interface
• Pins 61-70: Analog-to-digital converters (ADC)
• Pins 71-80: Timers and PWM outputs
• Pins 81-100: Reserved for future use

Functional Features

The LM3S6938-IQC50-A2T offers several functional features that enhance its performance and versatility:

1. High-performance Computing: The ARM Cortex-M3 core provides efficient processing capabilities, enabling the microcontroller to handle complex tasks.
2. Flexible Communication Interfaces: The UART, SPI, and I2C interfaces allow seamless integration with other devices and systems.
3. Analog-to-Digital Conversion: The built-in ADCs enable accurate measurement and conversion of analog signals.
4. Timers and PWM Outputs: The timers and PWM outputs facilitate precise timing and control of external devices.
5. GPIO Pins: The general-purpose input/output pins offer flexibility for connecting external components.

Advantages and Disadvantages

Advantages: - Powerful processing capabilities - Wide range of communication interfaces - Ample memory for program and data storage - Versatile analog-to-digital conversion - Flexible GPIO pins for customization

Disadvantages: - Relatively high power consumption - Limited number of PWM outputs - May require additional components for certain applications

Working Principles

The LM3S6938-IQC50-A2T operates based on the principles of microcontroller architecture. It executes instructions stored in its flash memory, processes data using the ARM Cortex-M3 core, and interacts with external devices through various interfaces. The microcontroller's working principles involve fetching, decoding, and executing instructions to perform specific tasks.

Detailed Application Field Plans

The LM3S6938-IQC50-A2T is suitable for a wide range of application fields, including but not limited to:

1. Industrial Automation: Control systems, motor drives, and monitoring devices.
2. Consumer Electronics: Home appliances, gaming consoles, and multimedia devices.
3. Automotive: Engine control units, dashboard displays, and vehicle communication systems.
4. Medical Devices: Patient monitoring systems, diagnostic equipment, and medical imaging devices.
5. Internet of Things (IoT): Smart home automation, wearable devices, and sensor networks.

Detailed and Complete Alternative Models

1. STM32F407VG: A microcontroller from STMicroelectronics with similar features and performance.
2. PIC32MX795F512L: A microcontroller from Microchip Technology offering comparable capabilities. 3