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Prodigy 70 points

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art Number: DAC38RF89

I want to use EyeScan for test.

I connected the JTAG according to the EyeScan documentation,  configuring the DAC38RF89 and FPGA, and after the DAC output port has a waveform output. I conducted an eye scan test.

According to the EyeScan documentation, if test is running properly the DataOut lights should be changing to reflect the received data.

But in my test, the DataOut light do not change,and the error count are all zero, I want to know what causes this problem?

And at the end of the test, there is no data.