During the data exchanging, XML support general data describe format, used for data mapping, and give data accessing interface.

在整个数据转换过程中，XML的提供了通用的数据描述的格式和映射标准，规定了数据类型，并给出数据访问接口。

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In view of the disparity among DSP and other microprocessors, the logic circuit in waiting requisition and the data exchanging interface among DSP and external chips is offered.

针对数字信号处理器与其他微处理器的不同之处，文中着重介绍了等待状态发生逻辑电路及数字信号处理器与外部芯片的数据接口电路。

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Complex digital system requires a high-speed interface for data exchanging with external devices.

而复杂的数字系统中需要一个与外部设备进行数据交换的高速接口。

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