TUSB1310A SuperSpeed USB Transceivers Texas Instruments TUSB1310A SuperSpeed USB devices are single-port, 5.0-Gbps USB 3.0 physical layer transceivers operating off of a single reference clock provided by either a crystal or an external reference clock. The reference clock frequencies are selectable from 20, 25, 30, and 40MHz. TI TUSB1310A SuperSpeed transceivers provide the clock to the USB controller. The use of a single reference clock allows the TUSB1310A to provide a low-cost USB 3.0 solution with few external components and a low implementation cost. The USB controller interfaces to the TUSB1310A via a PIPE (SuperSpeed) and a ULPI (USB 2.0) interface. The 16-bit PIPE operates off of a 250-MHz interface clock. The ULPI supports 8-bit operations with a 60-MHz interface clock.