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用TMS320F28335扩展3个ads8556和FPGA的疑惑

Other Parts Discussed in Thread: TMS320F28335, ADS8556

您好,我想用3个ads8556和1个FPGA都通过TMS320F28335的XINTF接口与DSP相连,3个ads8556占用了XZCS0、XZCS6、XZCS7三个片选信号,DSP只对AD读数,FPGA片选的话,不用片选信号,DSP只对FPGA写数据,现在的问题是当DSP与FPGA通讯的时候,XZCS0、XZCS6、XZCS7会影响ADS8556的工作吗?