-- up_out.vhd -- by Toshio Iwata -- This file generates RST signals. library ieee; use ieee.std_logic_1164.all; entity up_out is Port ( RST : out std_logic); end up_out; architecture beh of up_out is begin gen_RST : process begin RST <= '1'; wait for 100 us; RST <= '0'; wait; end process gen_RST; end beh;