The LM3S1R21-IQC80-C3 is an integrated circuit (IC) component developed by Texas Instruments. It belongs to the Stellaris LM3S series of microcontrollers, specifically designed for embedded applications. This IC offers a wide range of features and functionalities, making it suitable for various industrial and consumer applications. Here is an overview of its key features:
1. Architecture: The LM3S1R21-IQC80-C3 is based on an ARM Cortex-M3 processor core, which provides high-performance processing capabilities and enhanced power efficiency.
2. Clock Speed: It operates at a maximum speed of 80 MHz, allowing efficient execution of complex tasks and real-time processing.
3. Memory: This IC offers 64KB of Flash memory for storing the program code and 8KB of SRAM for data storage. It also includes 2KB of EEPROM for non-volatile data storage.
4. Connectivity: The LM3S1R21-IQC80-C3 supports various communication interfaces, including USB 2.0, UART, I2C, and SPI. This enables seamless connectivity with other devices and peripherals.
5. Peripherals: It features multiple integrated peripherals, such as GPIO (General Purpose Input/Output) pins, PWM (Pulse Width Modulation) modules, ADC (Analog-to-Digital Converter), and timers/counters. These peripherals provide enhanced functionality and flexibility for a wide range of applications.
6. Analog Features: The integrated ADC supports up to 12 analog input channels, allowing precise measurement of various analog signals. This makes it suitable for applications requiring accurate analog data acquisition.
7. Real-Time Operating System (RTOS) Support: The LM3S1R21-IQC80-C3 is compatible with various RTOSs and comes with a built-in SysTick timer for real-time task scheduling.
8. Power Management: It incorporates a power management module, enabling software-controlled power-saving features. This helps optimize power consumption and extends the battery life in portable applications.
9. Development Tools: Texas Instruments provides a comprehensive software development kit (SDK) called StellarisWare, along with other toolchains like Code Composer Studio and Keil MDK. These tools simplify the development process and provide ample resources for software development.
10. Package: The IC is offered in a small footprint 80-pin LQFP (Low-Profile Quad Flat Package), making it easy to integrate into compact designs.
Overall, the LM3S1R21-IQC80-C3 is a versatile microcontroller IC that offers an excellent balance of performance, power efficiency, and integration. It serves as a reliable solution for a wide range of embedded applications, including industrial automation, consumer electronics, and Internet of Things (IoT) devices.
