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讨论了１６ 位嵌入式微处理器的运算器设计问题； 分析了指令的平均字节数和运算器速度， 得出运算器的高速度只有与取指令的速度匹配时才有意义
Discusses the arithmetic of 16-bit embedded microprocessor; analyzes the average number of instructions and the speed of the arithmetic unit, it shows that the high speed of the arithmetic unit only makes sense when it matches the fetch speed