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TUSB1310A: Abnormal waveform of PCLK

Part Number: TUSB1310A


Hi,

The abnormal waveform of the PCLK is outputted such as following.

PCLK output.xlsx

Conditions are following;

- The strapping option settings are;

   clock source = clock,  input reference clock frequency = 40MHz

- External oscillator frequency is 40MHz

- The PCLK can change into normal by RESETN

What is the cause of this abnormally waveform and the countermeasure?

Best Regards,

Kuramochi