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随着电子技术的发展，基于微处理器的嵌入式产品已广泛应用于各个行业。由于应用系统的硬件日趋复杂，软件量日趋庞大，越来越多的应用系统采用了更高性能的１６位甚至３２位嵌入式ＣＰＵ，以适应较大型通信、控制等系统设计的需要。在这些嵌入式ＣＰＵ中，ＡＭＤ公司和Ｉｎｔ
With the development of electronic technology, microprocessor-based embedded products have been widely used in various industries. Due to the increasingly complicated hardware of the application system and the increasingly large amount of software, more and more application systems adopt higher-performance 16-bit or even 32-bit embedded CPU to meet the needs of system design such as larger communication and control. Among these embedded CPUs, AMD and Int