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TSW1400 and AFE7225

Other Parts Discussed in Thread: AFE7225, CDCE72010, AFE7222

Dear Sir,

I have encountered a problem for the connection between TSW1400 and AFE7225.

The TSW1400 didn’t receive a valid clock from AFE7225, the ADC/DAC function is not work.

Do you know how to solve it? thanks.

p.s. our test procedure is from TI website, but can’t see clock output from AFE7225

U2(CDCE72010) got a 100MHz external clock(AUXCLK) from J10

After the config of TI tool(AFE722x EVM software control ver1.3)

U2.pin7 should output a clock for U1(AFE7222/AFE7225)

But I can’t see it.

 If U1 didn’t receive this clock, the whole ADC/DAC process will not run.

http://www.ti.com/lit/ug/slou362/slou362.pdf

http://www.ti.com/lit/ug/slwu087c/slwu087c.pdf