_primary.vhd

来自「Viterbi decoder source code」· VHDL 代码 · 共 24 行

library verilog;
use verilog.vl_types.all;
entity apex20ke_asynch_lcell is
    generic(
        operation_mode   : string  := "normal";
        output_mode      : string  := "reg_and_comb";
        lut_mask         : string  := "ffff";
        cin_used         : string  := "false"
    );
    port(
        dataa           : in     vl_logic;
        datab           : in     vl_logic;
        datac           : in     vl_logic;
        datad           : in     vl_logic;
        cin             : in     vl_logic;
        cascin          : in     vl_logic;
        qfbkin          : in     vl_logic;
        combout         : out    vl_logic;
        regin           : out    vl_logic;
        cout            : out    vl_logic;
        cascout         : out    vl_logic
    );
end apex20ke_asynch_lcell;