71.5.2 UTMI Transceiver Sharing

The high-speed USB Host ports A and B are shared with the high-speed USB Device ports A and B, respectively . The selection between Host ports A and B and USB Device A and B to drive, respectively, transceivers A and B is controlled by the UDPHS Enable bit (EN_UDPHS) located in the register UDPHS_CTRL. USB port C is not shared and is the only port that drives transceiver C.