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LM3S2948-EQC50-A2
Product Overview
Category: Microcontroller
Use: The LM3S2948-EQC50-A2 is a microcontroller designed for embedded systems and applications that require high-performance processing capabilities. It is commonly used in various electronic devices, including industrial control systems, automotive applications, consumer electronics, and more.
Characteristics: - High-performance ARM Cortex-M3 core - Clock speed of up to 50 MHz - Flash memory capacity of 256 KB - RAM capacity of 64 KB - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converter (ADC) with 12-bit resolution - Real-time clock (RTC) functionality - Low power consumption
Package: The LM3S2948-EQC50-A2 comes in a compact quad flat package (QFP), which provides ease of integration into circuit boards and allows for efficient heat dissipation.
Essence: This microcontroller combines advanced processing capabilities with low power consumption, making it suitable for a wide range of applications that require both performance and energy efficiency.
Packaging/Quantity: The LM3S2948-EQC50-A2 is typically sold in reels or trays, with a quantity of 250 units per reel/tray.
Specifications
- Microcontroller Family: Stellaris LM3S
- 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 Converter (ADC): 12-bit resolution
- Real-Time Clock (RTC): Yes
- Operating Voltage: 3.3V
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The LM3S2948-EQC50-A2 microcontroller has a total of 100 pins, which are assigned to various functions such as GPIO, communication interfaces, timers, and more. The pin configuration is as follows:
- Pin 1: VDD (Power Supply)
- Pin 2: GND (Ground)
- Pin 3: UART0_RX (UART Receive)
- Pin 4: UART0_TX (UART Transmit)
- Pin 5: SPI0_CLK (SPI Clock)
- Pin 6: SPI0_MISO (SPI Master In Slave Out)
- Pin 7: SPI0_MOSI (SPI Master Out Slave In)
- Pin 8: I2C0_SCL (I2C Serial Clock)
- Pin 9: I2C0_SDA (I2C Serial Data)
- ... (detailed pin configuration continues)
Functional Features
- High Performance: The LM3S2948-EQC50-A2 is powered by an ARM Cortex-M3 core, providing efficient processing capabilities for demanding applications.
- Versatile Communication Interfaces: It offers multiple communication interfaces such as UART, SPI, and I2C, enabling seamless connectivity with other devices and peripherals.
- Analog-to-Digital Conversion: The built-in 12-bit ADC allows for accurate conversion of analog signals into digital data, making it suitable for sensor-based applications.
- Real-Time Clock Functionality: The integrated real-time clock provides accurate timekeeping functionality, allowing for precise timing operations in various applications.
- Low Power Consumption: The microcontroller is designed to minimize power consumption, making it ideal for battery-powered or energy-efficient devices.
Advantages and Disadvantages
Advantages: - High-performance processing capabilities - Versatile communication interfaces - Efficient analog-to-digital conversion - Accurate real-time clock functionality - Low power consumption
Disadvantages: - Limited flash memory capacity (256 KB) - Relatively small RAM size (64 KB)
Working Principles
The LM3S2948-EQC50-A2 operates based on the ARM Cortex-M3 architecture, which is a 32-bit RISC processor core. It executes instructions efficiently and supports various features such as interrupt handling, low-power modes, and advanced debugging capabilities.
The microcontroller integrates different peripherals and interfaces that can be configured and controlled through software programming. These peripherals include UART, SPI, I2C, ADC, timers, and more. By utilizing these peripherals, developers can implement desired functionalities in their applications.
The LM3S2948-EQC50-A2 executes user-defined code stored in its flash memory, interacting with external devices and sensors through the communication interfaces. It processes data, performs calculations, and controls connected components based on the programmed logic.
Detailed Application Field Plans
The LM3S2948-EQC50-A2 microcontroller finds applications in various fields, including:
- Industrial Control Systems: It can be used in
Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LM3S2948-EQC50-A2 in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of LM3S2948-EQC50-A2 in technical solutions:
Q: What is LM3S2948-EQC50-A2? A: LM3S2948-EQC50-A2 is a microcontroller from Texas Instruments' Stellaris family, specifically designed for embedded applications.
Q: What are the key features of LM3S2948-EQC50-A2? A: Some key features include a 32-bit ARM Cortex-M3 core, 256KB flash memory, 64KB RAM, multiple communication interfaces, and various peripherals.
Q: What kind of technical solutions can LM3S2948-EQC50-A2 be used for? A: LM3S2948-EQC50-A2 can be used in a wide range of applications such as industrial automation, robotics, consumer electronics, IoT devices, and more.
Q: How do I program LM3S2948-EQC50-A2? A: You can program LM3S2948-EQC50-A2 using software development tools like Code Composer Studio or Keil MDK, which provide an integrated development environment (IDE) for writing and debugging code.
Q: Can LM3S2948-EQC50-A2 communicate with other devices? A: Yes, LM3S2948-EQC50-A2 supports various communication interfaces such as UART, SPI, I2C, Ethernet, and USB, allowing it to communicate with other devices or systems.
Q: What kind of peripherals does LM3S2948-EQC50-A2 have? A: LM3S2948-EQC50-A2 has several built-in peripherals including timers, GPIO pins, ADCs, PWM outputs, and UARTs, which can be used for various purposes in your technical solution.
Q: Can LM3S2948-EQC50-A2 support real-time operating systems (RTOS)? A: Yes, LM3S2948-EQC50-A2 is capable of running popular RTOS like FreeRTOS or Micrium µC/OS-II, allowing you to build more complex and multitasking applications.
Q: How do I power LM3S2948-EQC50-A2? A: LM3S2948-EQC50-A2 requires a power supply voltage between 1.65V and 3.6V. You can power it using a regulated power supply or batteries, depending on your application requirements.
Q: Is LM3S2948-EQC50-A2 suitable for low-power applications? A: Yes, LM3S2948-EQC50-A2 has power-saving features such as multiple sleep modes, clock gating, and low-power peripherals, making it suitable for low-power applications.
Q: Where can I find additional resources and support for LM3S2948-EQC50-A2? A: You can find datasheets, application notes, software libraries, and community forums on the Texas Instruments website or reach out to their technical support for further assistance.
Please note that the specific details and answers may vary based on the actual documentation and specifications provided by Texas Instruments for LM3S2948-EQC50-A2.