What is a microcontrollers? Single-chip microcontrollers (MCUs) are integrated circuit chips that combine a central processing unit (CPU), random access memory (RAM), read-only memory (ROM), I/O ports, interrupt systems, and additional functions into a compact silicon chip, making them widely used in control applications since the 1980s. They resemble microcomputers but lack external I/O devices. MCUs are essential for various applications, such as smart appliances and industrial control systems, enabling the development of "smart" products.
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