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TUSB7340: some questions about the differential pairs of TUSB7340

Oliver Ou
Intellectual 2845 points
Part Number: TUSB7340

Hi,

Could you give some comments for below TUSB7430's applicaiton questios from our customer?  Thanks,

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1. We found the differential pairs is not convenient for us to routing when we do the layout work. So we want to swap the positive signals and negative signals of  the receive differential pair.

I check the datasheet and found the chip has swap function, so it's OK for hardware to swap them. But I heard there is firmware to drive the chip, so I want to know if I swapped the signals, need I change something in my firmware?

2. Also about the differential pairs swap, the differential clock and the differential signal seems swapped in the application of datasheet. Is it just convenient for routing or anything else? I want to know the reason why you swapped those signals in application of datasheet.

Thanks.

Best Regards,

Oliver Out