LM3S2948-IQC50-A2

Product Overview

Category: Microcontroller

Use: The LM3S2948-IQC50-A2 is a microcontroller designed for embedded systems. It provides the necessary processing power and peripherals to control various applications.

Characteristics: - High-performance ARM Cortex-M3 core - 50 MHz clock frequency - 256 KB flash memory - 64 KB RAM - Integrated Ethernet MAC controller - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converter (ADC) - Real-time clock (RTC) - Low power consumption

Package: The LM3S2948-IQC50-A2 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 LM3S2948-IQC50-A2 lies in its ability to provide a powerful and versatile microcontroller solution for embedded systems. It combines high performance, low power consumption, and a wide range of integrated peripherals.

Packaging/Quantity: The LM3S2948-IQC50-A2 is typically sold in reels or trays containing multiple units. The exact quantity depends on the supplier and customer requirements.

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Frequency: 50 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Ethernet MAC Controller: Integrated
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter: Included
• Real-Time Clock: Integrated
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Quad Flat Package (QFP)
• Package Pins: 100
• Dimensions: 14mm x 14mm

Detailed Pin Configuration

The LM3S2948-IQC50-A2 has a total of 100 pins. The pin configuration is as follows:

1. VDD - Power supply voltage (3.3V)
2. GND - Ground
3. PA0 - General-purpose I/O pin
4. PA1 - General-purpose I/O pin
5. PA2 - General-purpose I/O pin
6. ... (Detailed pin configuration continues)

Functional Features

• High-performance processing capabilities
• Integrated Ethernet MAC controller for network connectivity
• Multiple communication interfaces for data exchange
• Analog-to-digital converter for sensor interfacing
• Real-time clock for timekeeping applications
• Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages: - Powerful ARM Cortex-M3 core for efficient processing - Integrated Ethernet MAC controller simplifies network connectivity - Wide range of communication interfaces for versatile applications - Ample flash memory and RAM for storing and executing code - Low power consumption extends battery life in portable devices

Disadvantages: - Limited number of pins may restrict the number of peripherals that can be connected directly - Higher cost compared to simpler microcontrollers with fewer features - Steeper learning curve for beginners due to the complexity of the ARM Cortex-M3 architecture

Working Principles

The LM3S2948-IQC50-A2 operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data, and controls various peripherals to perform specific tasks. The ARM Cortex-M3 core provides the computational power, while the integrated peripherals enable communication, sensing, and timing functions.

Detailed Application Field Plans

The LM3S2948-IQC50-A2 finds applications in various fields, including but not limited to: - Industrial automation - Internet of Things (IoT) devices - Home automation systems - Automotive electronics - Medical devices - Consumer electronics

In industrial automation, it can be used to control machinery, monitor sensors, and communicate with other systems. In IoT devices, it enables connectivity and data processing for smart home applications, environmental monitoring, and more. In automotive electronics, it can be utilized for engine control, dashboard displays, and advanced driver assistance systems.

Detailed and Complete Alternative Models

• LM3S1968-IQC50-A2: Similar to the LM3S2948-IQC50-A2 but with lower flash memory and RAM capacity.
• LM4F120H5QR: A microcontroller with a similar feature set but based on the ARM Cortex-M4 core, offering higher performance.
• STM32F407VGT6: Another microcontroller option with an ARM Cortex-M4 core, providing a different set of peripherals and features.

These alternative models offer different trade-offs in terms of cost, performance, and peripheral options, allowing designers to choose the most suitable micro