一、引言随着大规模集算成电路与计机的发展,微处理机在短短的十年内已经蓬勃地发展起来,并且深入到各个领域,从人们的日常生活、游戏、娱乐到办公室管理,以及工业中的过程控制、循回检测等。微处理机是有着体积小、重量轻、功能强、使用灵活、可靠性高、价格便 I. INTRODUCTION With the development of large-scale integrated circuits and computers, microprocessors have been thriving in just a decade and have gone deep into all fields, from people’s daily life, games, entertainment to office management , As well as industrial process control, back testing. Microprocessor is a small, light weight, powerful, flexible, high reliability, the price will be