Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LM3S102-EQN20-C2T
詳細を表示 DataSheets

LM3S102-EQN20-C2T

Product Overview

Category: Microcontroller

Use: The LM3S102-EQN20-C2T 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 - 32-bit RISC architecture - Clock speed up to 50 MHz - Flash memory size: 128 KB - RAM size: 8 KB - Operating voltage: 2.7V to 3.6V - Low power consumption - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converter (ADC) - Timers and PWM outputs - GPIO pins for general-purpose input/output

Package: EQN20-C2T

Essence: The LM3S102-EQN20-C2T is a powerful microcontroller that serves as the brain of many electronic devices. It combines high performance, low power consumption, and a rich set of peripherals to enable the development of sophisticated embedded systems.

Packaging/Quantity: The LM3S102-EQN20-C2T is available in a surface-mount package with 20 pins. It is typically sold in reels or trays containing multiple units.

Specifications

  • Processor: ARM Cortex-M3
  • Clock Speed: Up to 50 MHz
  • Flash Memory: 128 KB
  • RAM: 8 KB
  • Operating Voltage: 2.7V to 3.6V
  • Communication Interfaces: UART, SPI, I2C
  • Analog-to-Digital Converter (ADC): 10-bit resolution, 8 channels
  • Timers: 4 general-purpose timers, 2 watchdog timers
  • PWM Outputs: Up to 6 channels
  • GPIO Pins: 16 general-purpose I/O pins

Detailed Pin Configuration

The LM3S102-EQN20-C2T microcontroller has a total of 20 pins. The pin configuration is as follows:

  1. VDD - Power supply voltage (2.7V to 3.6V)
  2. GND - Ground
  3. GPIO0 - General-purpose I/O pin 0
  4. GPIO1 - General-purpose I/O pin 1
  5. GPIO2 - General-purpose I/O pin 2
  6. GPIO3 - General-purpose I/O pin 3
  7. GPIO4 - General-purpose I/O pin 4
  8. GPIO5 - General-purpose I/O pin 5
  9. GPIO6 - General-purpose I/O pin 6
  10. GPIO7 - General-purpose I/O pin 7
  11. GPIO8 - General-purpose I/O pin 8
  12. GPIO9 - General-purpose I/O pin 9
  13. GPIO10 - General-purpose I/O pin 10
  14. GPIO11 - General-purpose I/O pin 11
  15. GPIO12 - General-purpose I/O pin 12
  16. GPIO13 - General-purpose I/O pin 13
  17. GPIO14 - General-purpose I/O pin 14
  18. GPIO15 - General-purpose I/O pin 15
  19. RESET - Reset pin
  20. VSS - Ground

Functional Features

The LM3S102-EQN20-C2T microcontroller offers several functional features that make it suitable for a wide range of applications:

  1. High-performance Processor: The ARM Cortex-M3 core provides excellent processing power and efficiency.
  2. Memory: Ample flash memory and RAM allow for the storage and execution of complex programs.
  3. Communication Interfaces: UART, SPI, and I2C interfaces enable seamless communication with other devices.
  4. Analog-to-Digital Converter: The built-in ADC allows for the conversion of analog signals into digital values.
  5. Timers and PWM Outputs: Multiple timers and PWM outputs facilitate precise timing and control of external devices.
  6. GPIO Pins: General-purpose I/O pins offer flexibility for interfacing with various components.

Advantages and Disadvantages

Advantages: - High-performance ARM Cortex-M3 core ensures efficient processing. - Ample flash memory and RAM provide sufficient storage and execution space. - Low power consumption extends battery life in portable applications. - Multiple communication interfaces allow for versatile connectivity. - Rich set of peripherals enables the development of complex systems.

Disadvantages: - Limited number of GPIO pins may restrict the number of external devices that can be connected directly. - Higher cost compared to simpler microcontrollers with fewer features.

Working Principles

The LM3S102-EQN20-C2T microcontroller operates based on the principles of the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory and interacts with

技術ソリューションにおける LM3S102-EQN20-C2T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LM3S102-EQN20-C2T in technical solutions:

  1. Q: What is LM3S102-EQN20-C2T? A: LM3S102-EQN20-C2T is a microcontroller from Texas Instruments' Stellaris family, specifically designed for embedded applications.

  2. Q: What are the key features of LM3S102-EQN20-C2T? A: Some key features include a 32-bit ARM Cortex-M3 core, 20 MHz clock speed, 16 KB flash memory, 2 KB RAM, and various peripherals like UART, I2C, SPI, GPIO, etc.

  3. Q: What kind of technical solutions can LM3S102-EQN20-C2T be used for? A: LM3S102-EQN20-C2T can be used in a wide range of applications such as industrial automation, consumer electronics, medical devices, IoT devices, robotics, and more.

  4. Q: How do I program LM3S102-EQN20-C2T? A: LM3S102-EQN20-C2T can be programmed using various development tools like Keil MDK, Code Composer Studio, or Energia IDE, using C/C++ programming language.

  5. Q: Can LM3S102-EQN20-C2T communicate with other devices? A: Yes, LM3S102-EQN20-C2T has built-in communication interfaces like UART, I2C, and SPI, which allow it to communicate with other devices such as sensors, displays, or external microcontrollers.

  6. Q: What kind of power supply does LM3S102-EQN20-C2T require? A: LM3S102-EQN20-C2T typically operates at a voltage range of 2.7V to 3.6V, and it can be powered using a regulated power supply or a battery.

  7. Q: Can LM3S102-EQN20-C2T handle real-time tasks? A: Yes, the LM3S102-EQN20-C2T's ARM Cortex-M3 core is capable of handling real-time tasks with its deterministic interrupt response and low-latency interrupt handling.

  8. Q: How can I debug my code running on LM3S102-EQN20-C2T? A: LM3S102-EQN20-C2T supports various debugging options like JTAG or SWD (Serial Wire Debug) interface, which can be used with compatible debuggers to step through code and analyze variables.

  9. Q: Are there any development boards available for LM3S102-EQN20-C2T? A: Texas Instruments provides evaluation kits and development boards specifically designed for LM3S102-EQN20-C2T, which include necessary peripherals and connectors for easy prototyping.

  10. Q: Where can I find more resources and documentation for LM3S102-EQN20-C2T? A: You can find datasheets, application notes, user guides, and other resources on Texas Instruments' official website or community forums dedicated to embedded systems.