Microcontroller Unit

A microcontroller unit (MCU) is a compact integrated circuit that combines a processor core, memory, and programmable input/output peripherals on a single chip. It is designed to control specific functions in embedded systems by executing stored program instructions. MCUs are commonly used in consumer electronics, automotive systems, IoT devices, and automation applications where dedicated control logic is needed. Unlike general-purpose processors, MCUs are optimized for real-time control tasks and typically operate with lower power consumption.