LM3S3J26-IQR50-C3

Product Overview

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

Specifications

• Processor: ARM Cortex-M3 core running at 50 MHz
• Memory: 256 KB Flash, 32 KB RAM
• Operating Voltage: 2.7V to 3.6V
• Digital I/O Pins: 40
• Analog Input Channels: 8
• Serial Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 4 x 16-bit timers, 1 x 32-bit timer
• ADC Resolution: 12-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3S3J26-IQR50-C3 microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: Analog input channels AIN0-AIN7
• Pins 9-16: Digital I/O pins GPIO0-GPIO7
• Pins 17-24: Digital I/O pins GPIO8-GPIO15
• Pins 25-32: Digital I/O pins GPIO16-GPIO23
• Pins 33-40: Digital I/O pins GPIO24-GPIO31
• Pins 41-48: Digital I/O pins GPIO32-GPIO39
• Pins 49-56: Serial communication interfaces (UART, SPI, I2C)
• Pins 57-60: Timers/Counters
• Pins 61-64: Power supply and ground pins

Functional Features

1. High Performance: The ARM Cortex-M3 core provides efficient processing capabilities, enabling the microcontroller to handle complex tasks.
2. Low Power Consumption: The LM3S3J26-IQR50-C3 is designed to minimize power consumption, making it suitable for battery-powered applications.
3. Integrated Peripherals: The microcontroller includes various integrated peripherals such as UART, SPI, I2C, timers/counters, and an ADC, reducing the need for external components.
4. Flexible I/O Configuration: With 40 digital I/O pins and 8 analog input channels, the microcontroller offers flexibility in interfacing with external devices.
5. Wide Operating Temperature Range: The LM3S3J26-IQR50-C3 can operate reliably in harsh environments with a temperature range of -40°C to +85°C.

Advantages and Disadvantages

Advantages: - High-performance ARM Cortex-M3 core - Low power consumption - Integrated peripherals reduce external component count - Wide operating temperature range

Disadvantages: - Limited memory capacity (256 KB Flash, 32 KB RAM) - Relatively small number of digital I/O pins compared to some other microcontrollers

Working Principles

The LM3S3J26-IQR50-C3 microcontroller operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its Flash memory and uses the on-chip RAM for data storage. The processor communicates with various peripherals through dedicated interfaces, allowing it to perform tasks such as data acquisition, communication, and control. The microcontroller's low-power design ensures efficient operation while minimizing energy consumption.

Detailed Application Field Plans

The LM3S3J26-IQR50-C3 microcontroller finds applications in various fields, including but not limited to: - Industrial automation - Home automation - Automotive electronics - Medical devices - Consumer electronics - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

1. STM32F103C8T6: ARM Cortex-M3 microcontroller with similar specifications and pin configuration.
2. PIC32MX795F512L: Microchip microcontroller based on the MIPS architecture, offering comparable performance and features.
3. MSP430G2553: Texas Instruments microcontroller with ultra-low power consumption and a wide range of integrated peripherals.

These alternative models provide similar functionality and can be considered as alternatives to the LM3S3J26-IQR50-C3 depending on specific requirements and preferences.

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