Texas Instruments 64-LQFP LM3S5D56-IQR80-A1

The part number "LM3S5D56-IQR80-A1" refers to a microcontroller unit (MCU) from Texas Instruments. This specific model belongs to the LM3S series, which is known for its ARM Cortex-M3 core architecture and low-power consumption features. It offers integrated flash memory, peripherals, and robust security options suitable for embedded systems requiring high reliability and performance in industrial or IoT applications. The "-IQR80" likely denotes package type and/or onboard resources, while "-A1" could indicate a specific revision or configuration of the MCU.