The LM3S1R21-IBZ80-C5 is a highly integrated and powerful ARM Cortex-M3 based microcontroller designed by Texas Instruments. It is a member of the Stellaris LM3S series and offers a wide range of features suitable for various applications. Here is an overview of its key features:
1. ARM Cortex-M3 Core: The LM3S1R21-IBZ80-C5 microcontroller is based on the ARM Cortex-M3 32-bit core, providing excellent performance and energy efficiency. It operates at a clock speed of up to 80 MHz, allowing for efficient execution of complex tasks.
2. Flash Memory: It comes with a generous 128 KB flash memory that can be used to store program code and firmware. This allows for flexible application development while leaving ample space for storing data and configurations.
3. RAM: With 128 KB of RAM, the LM3S1R21-IBZ80-C5 offers sufficient memory for data storage and stack usage, ensuring smooth multitasking and efficient processing.
4. Peripheral Interfaces: This microcontroller offers a rich set of interfaces for connecting and controlling external devices. It includes UART, I2C, and SPI interfaces for serial communication, GPIO pins for general-purpose input/output, PWM channels for precise control of analog signals, and more.
5. Analog-to-Digital Converter (ADC): The built-in 12-bit ADC enables capturing analog signals from external sensors or devices, allowing for accurate measurement and data acquisition.
6. Integrated Ethernet Controller: The LM3S1R21-IBZ80-C5 features an integrated 10/100 Ethernet MAC (Media Access Controller). This allows for seamless connectivity to the network, making it suitable for applications requiring internet connectivity or remote control capabilities.
7. Real-Time Clock (RTC): With an integrated RTC module, the microcontroller can keep track of time and date, making it ideal for applications that require scheduling or time-sensitive operations.
8. Low Power Consumption: The LM3S1R21-IBZ80-C5 microcontroller is designed to operate with minimal power consumption. It offers various low-power modes, allowing for efficient energy management and extending battery life in portable devices.
9. Development Support: Texas Instruments provides a comprehensive software development ecosystem for the Stellaris LM3S series. This includes a user-friendly integrated development environment (IDE), software libraries, and documentation, which facilitate rapid prototyping and application development.
In summary, the LM3S1R21-IBZ80-C5 is a versatile microcontroller that combines the high-performance ARM Cortex-M3 core with a rich set of peripherals and interfaces. Its generous flash and RAM memory, along with various integrated features such as Ethernet connectivity and ADC, make it suitable for a wide range of applications, including industrial automation, consumer electronics, Internet of Things (IoT) devices, and more.
