上位机基于CF接口与下位机进行数据通信，给下位机发送量程控制字、数据采集参数等命令，采用中断方式接收下位机采集过来的数据并进行处理，下位机只完成数据的采集。

Host accesses client's data across CF interface, sends instructions to client such as range select word and DAQ parameter, data are sent to host in interrupt mode and then processed.

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