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USB3 repeater (SN65LVPE512) EVM user manual and board schematics


I came across SN65LVPE502 EVM, which also has a board schematics.

1. I will be using SN65LVPE512 in my application. Can I use the 502 board schematic as a reference to my design?

There is something I`m not so sure about at the 502`s board schematics, it seems that the polarity of the Tx and Rx pairs is inversed twice. For example:

USB3_TX_P (pin at the connector side) ---> RX1_N (pin at the 502 device) 

TX1_N (pin at the 502 device) ----> USB3_RX_P (pin at the connector side)

Same thing about the other pair.

My question is, why is it in reverse polarity? 

When using the SN65LVPE512, do I need to inverse the polarity as well?

Will my application work correctly if I will not inverse the polarity?

Thanks and regards,