hub.vhd

来自「USBHostSlave is a USB 1.1 host and Devic」· VHDL 代码 · 共 20 行

library ieee;
use ieee.std_logic_1164.all;

library work;
use work.usbpkg.all;

entity hub is
         generic (
          HUBDELAY : time := 5 ns
        );

        port (
          signal downstrm_a,downstrm_b : inout pkt;
          signal upstrm : inout pkt
        );

end hub;