HD3SS3220: HD3SS3220 DFP Dongle EVM TX RX np

Jamie Tseng

Intellectual 2405 points

Part Number: HD3SS3220

Hi Team,

May I know the reason why HD3SS3220 DFP Dongle EVM schematic TX negative connect to the positive side?

Thanks and best regards,

Jamie

over 5 years ago

0 David (ASIC) Liu over 5 years ago

TI__Guru**** 180041 points

Jamie

USB supports lane polarity inversion as covered in section 6.4.2 of the USB 3.1 specification. So you can invert the lane polarity to ease the routing of the SuperSpeed signal.

Thanks

David

Interface

Interface forum

HD3SS3220: HD3SS3220 DFP Dongle EVM TX RX np