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TUSB1046A-DCI: Long cable can’t enter loopback mode

Part Number: TUSB1046A-DCI

Hi Sirs,

Sorry to bother you.

For short cable test is pass. But for Long cable can’t enter loopback mode.

Have tried SSEQ1/SSEQ0: R/0 (4.2db) 

Next try USB3.1 SSEQ1/SSEQ0 : R/ R (5.3db)

 

In the case , we change upstream facing is correct?

By the way, if currently is I2C mode , Pin 17 high and configure with CCG5C,

can the EQ setting available for external resistor?