_primary.vhd

mcu arm ,easy study and understand,for arm energer,it s very good.

library verilog;
use verilog.vl_types.all;
entity I_Bus2Core is
    port(
        IWait           : out    vl_logic;
        Instruction     : out    vl_logic_vector(31 downto 0);
        in_InstructionAddress: in     vl_logic_vector(31 downto 0);
        wb_ack_i        : in     vl_logic;
        wb_addr_o       : out    vl_logic_vector(31 downto 0);
        wb_cyc_o        : out    vl_logic;
        wb_data_i       : in     vl_logic_vector(31 downto 0);
        wb_data_o       : out    vl_logic_vector(31 downto 0);
        wb_err_i        : in     vl_logic;
        wb_rty_i        : in     vl_logic;
        wb_sel_o        : out    vl_logic_vector(7 downto 0);
        wb_stb_o        : out    vl_logic;
        wb_we_o         : out    vl_logic;
        clk_i           : in     vl_logic;
        rst_i           : in     vl_logic
    );
end I_Bus2Core;