要看数据长度了,如果数据量不大,可以直接用寄存器:library ieee;use ieee.std_logic_1164.all;USE IEEE.STD_LOGIC_ARITH.ALL;USE IEEE.STD_LOGIC_UNSIGNED.ALL;entity buff_reg is --generic(strb_del,en_del,o_del: time); port (strb,ds1,ds2: in std_logic; di :in std_logic_vector(7 downto 0); do: out std_logic_vect
