shakti/m_class/ULPI.mdwn

   1 # USB2 (ULPI)
   2
   3 ## Requirements
   4 * PHY (to be determined) <https://www.ti.com/product/TUSB1210>
   5 * DDR mode
   6 * ...
   7 * USB3300 breakout https://www.waveshare.com/usb3300-usb-hs-board.htm
   8
   9 ## LICENSE
  10 BSD I guess...(fix me)
  11
  12 ## Useful resources
  13
  14 ![UTMI_interface](https://www.crifan.com/files/pic/serial_story/other_site/p_blog_bb.JPG)
  15
  16 ![UTMI+levels](https://www.crifan.com/files/pic/serial_story/other_site/p_blog_aa.JPG)
  17
  18 ![UTMI+level3_interface](https://www.crifan.com/files/pic/serial_story/other_site/p_blog_cc.JPG)
  19
  20 ![LPI_signals](https://www.crifan.com/files/pic/serial_story/other_site/p_blog_dd.JPG)
  21
  22 ![LPI_signals_table](https://www.crifan.com/files/pic/serial_story/other_site/p_blog_dd.JPG)
  23
  24 ## reference
  25 * <https://opencores.org/project,ulpi_wrapper> (GPL'd)
  26 * <https://github.com/mossmann/daisho/blob/master/sw/fpga/common/usb3/usb2_ulpi.v> (BSD)
  27 * <https://opencores.org/project,usb>
  28 * <https://github.com/alexforencich/verilog-wishbone>
  29 * <https://github.com/www-asics-ws/usb2_dev>
  30