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dsp6748 EDMA怎么循环读取mcasp中多个串行器的数据,具体该配置

TI工程师:

        现首上一项目需要dsp6748外接多个aic3106,所以需要EDMA循环读取(事件触发)mcasp中多个串行器的数据,但不知道循环读取时,该怎么具体配置mcasp和EDMA,跟使用单个发送接收串行器时配置一样吗,如不同,需改哪些地方。