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1.1 概述微型计算机是国外七○年代初期研制成功的产品,通过不到十年的努力,从初期低功能的四位机迅速发展到目前超大规模集成电路的高性能的十六位机,即经历了四代产品的发展过程。由于它在功能上特有的灵活性,在体积、重量、功耗及可靠性方面的优良性能,在设计方法及研制周期方面的重大进步,以及低廉的价格等方面表现了巨大的优越性。使得它的应用范围日趋扩大,从巨大的军用机到家庭日用电器,可以说几乎要达
1.1 Overview Micro-computer is a successful product developed abroad in the early 1970s. With less than 10 years of hard work, the micro-computer has rapidly developed from an early low-function four-bit microcomputer to a high-performance 16-bit microcomputer of an ultra-large-scale integrated circuit The four generations of product development process. Due to its uniquely functional flexibility, its superior performance in terms of size, weight, power consumption and reliability, its significant advances in design methodology and development cycles, as well as its low prices have shown tremendous advantages. Making it increasingly wide range of applications, from the huge military machine to household appliances, it can be said almost up to