LM3S1958-EQC50-A2T

Product Overview

Category: Microcontroller

Use: The LM3S1958-EQC50-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 - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converters (ADC) - Timers and PWM outputs - GPIO pins for general-purpose input/output

Package: The LM3S1958-EQC50-A2T comes in a compact quad flat package (QFP) with 100 pins. This package allows for easy integration into circuit boards and provides good thermal dissipation.

Essence: The essence of the LM3S1958-EQC50-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 LM3S1958-EQC50-A2T is typically sold individually or in small quantities, depending on the supplier's packaging options.

Specifications

• Processor: ARM Cortex-M3 core running at up to 50 MHz
• Memory: 256 KB flash memory, 32 KB RAM
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converters: 12-bit ADC with up to 16 channels
• Timers: 6 general-purpose timers, 4 PWM outputs
• GPIO Pins: 64 general-purpose input/output pins
• Operating Voltage: 3.3V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The LM3S1958-EQC50-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 11-20: Analog input channels
• Pins 21-30: UART communication interface
• Pins 31-40: SPI communication interface
• Pins 41-50: I2C communication interface
• Pins 51-60: Timers and PWM outputs
• Pins 61-70: General-purpose input/output (GPIO) pins
• Pins 71-80: Reserved for future use
• Pins 81-90: JTAG debugging interface
• Pins 91-100: Additional power supply and ground

Functional Features

The LM3S1958-EQC50-A2T offers several functional features that enhance its usability and performance in embedded systems:

1. High-performance Processing: The ARM Cortex-M3 core provides efficient processing capabilities, enabling the microcontroller to handle complex tasks quickly.

2. Flexible Communication Interfaces: The UART, SPI, and I2C interfaces allow seamless integration with other devices, enabling data exchange and communication.

3. Analog-to-Digital Conversion: The built-in ADCs enable the microcontroller to convert analog signals into digital values, making it suitable for applications involving sensors or analog inputs.

4. Timers and PWM Outputs: The timers and PWM outputs provide precise timing control and enable the generation of analog-like signals, useful for motor control or LED dimming.

5. GPIO Pins: The general-purpose input/output pins offer flexibility for connecting external components and peripherals, allowing customization and expansion of the system.

Advantages and Disadvantages

Advantages: - Powerful processing capabilities - Multiple communication interfaces - Built-in analog-to-digital converters - Flexible GPIO pins for customization - Compact package for easy integration

Disadvantages: - Limited memory capacity compared to some other microcontrollers - Higher power consumption compared to low-power microcontrollers

Working Principles

The LM3S1958-EQC50-A2T operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory and interacts with various peripherals through its communication interfaces. The microcontroller's core handles data processing, while the peripherals enable input/output operations and communication with external devices.

Detailed Application Field Plans

The LM3S1958-EQC50-A2T is suitable for a wide range of applications, including but not limited to: - Industrial automation systems - Home automation and smart devices - Automotive electronics - Medical devices - Consumer electronics

Alternative Models

For those seeking alternative options, the following microcontrollers can be considered: 1. STM32F407VG - A similar microcontroller from STMicroelectronics with comparable features and performance. 2. PIC32MX795F512L - A microcontroller from Microchip that offers similar capabilities and compatibility with existing designs.