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ADC3683EVM: ADC3683EVM 在XILINX FPGA 开发板上,在ADC35XX GUI设定不同Test Pattern值,ADC反馈的DCLK频率是动态变化的?

Part Number: ADC3683EVM

ADC3683EVM 在XILINX FPGA 开发板上,在ADC35XX GUI设定不同Test Pattern值,ADC反馈的DCLK频率是动态变化的?请老师指导下怎么调试。

如图,

正常状态:反馈DCLK=4.5*sample_clk 

异常状态:反馈DCLK=6*sample_clk