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在数字系统中,特别在由多个运算、处理模块构成的大型数字系统中,在进行不同功能模块间数据传输时,常常会因为两个模块的数据输入、输出速率不同而使数据传输难以进行。有些模块由于其运算、处理功能或被处理的数据的特性,数据的输入、输出速率往往是随机变化的,这就使得两个模块间的数据传输变得更加困难。不同操作速率模块间的数据传
In a digital system, especially in a large-scale digital system composed of multiple computing and processing modules, data transmission between different functional modules is often difficult due to different data input and output rates of the two modules . Some modules due to its computing, processing functions or the characteristics of the data being processed, the data input and output rates are often random changes, which makes the data transfer between the two modules becomes more difficult. Data transfer between different operation rate modules