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HD3SS460EVM-SRC: USB-C-to-USB3-Micro-B connection TX/RX Swap

Part Number: HD3SS460EVM-SRC
Other Parts Discussed in Thread: HD3SS460


Can you please explain to me why USB3_RX and USB3_TX are swapped on the USB host connection/J4 connector?

I've read that this is normally done through the USB3.x cable.

Thank you!

  • Hi,

    The design was following the data direction as defined by the Type-C connector. 

    For example 

    MicB_SSRX+/- (transmit by the host, receive by the HD3SS460) -> SSTX -> HD3SS460 ->  CTX1/2 -> SSTXP/N_1/2 (transmit by the HD3SS460).