# USB2 (ULPI)

## Requirements
* PHY (to be determined)
* DDR mode
* ...

## LICENSE
BSD I guess...(fix me)

## reference
* <https://opencores.org/project,ulpi_wrapper> (GPL'd)
* <https://github.com/mossmann/daisho/blob/master/sw/fpga/common/usb3/usb2_ulpi.v> (BSD)
* <https://opencores.org/project,usb>
* <https://github.com/alexforencich/verilog-wishbone>