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TUSB1210: DP/DM Swap

Part Number: TUSB1210


Dear Technical Support Team,

According to the datasheet, DP and DM can swap and polarity can be change through REG 0x80 bit6 DATAPOLALRITY.

Would it be a problem to switch the polarity using this SWAP function to optimize the pattern wiring?
Also, is the PHY performance the same after SWAP? 

I'd like  to draw the USB differential pattern on one side, but depending on the connector mounting surface,

the differential wiring may cross and the wiring may be changed at VIA.

Then it is convenient function to improve this problem. 

ttd