“…Since the beginning of the microprocessor history, a processor especially for PC/servers had continuously advanced its performance while maintaining a price range from hundreds to thousands of dollars [11,12] . On the other hand, a single -chip microcontroller had continuously reduced its price, resulting in the range from dozens of cents to several dollars with maintaining its performance, and had been equipped to various products [13] . As a result, there was a situation of no demand on the processor of the middle price range from tens to hundreds of dollars.…”