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我们打算用28377D来做AD采样，用FPGA来产生驱动信号，有一个问题就是如何保证二者的周期同步，我们想通过DSP的同步引脚来实现，但是我好像没有找到定义有这个功能的引脚，难道是要通过软件进行实现周期同步吗？
