_primary.vhd

用4位十进制计数器对用户输入时钟信号进行计数

library verilog;
use verilog.vl_types.all;
entity dpram_segment is
    generic(
        Tout            : integer := 0;
        Taa             : integer := 0;
        Tdd             : integer := 0;
        Trc             : integer := 0;
        Tra             : integer := 0
    );
    port(
        WADDR           : in     vl_logic_vector(10 downto 0);
        RADDR           : in     vl_logic_vector(10 downto 0);
        D               : in     vl_logic;
        WE              : in     vl_logic;
        RE              : in     vl_logic;
        Q               : out    vl_logic;
        INIT_DATA       : in     vl_logic_vector(2047 downto 0)
    );
end dpram_segment;