VHDL Component Declaration

The following VHDL component declaration is located in the VHDL Design File (.vhd) Definition LPM_PACK.vhd in the <Quartus^® Prime installation directory>\libraries\vhdl\lpm directory.

component LPM_SHIFTREG
        generic (LPM_WIDTH : natural;    -- MUST be greater than 0
                                 LPM_AVALUE : string := "UNUSED";
                                 LPM_SVALUE : string := "UNUSED";
                                 LPM_PVALUE : string := "UNUSED";
                                 LPM_DIRECTION: string := "UNUSED";
                                 LPM_TYPE: string := L_SHIFTREG;
                                 LPM_HINT : string := "UNUSED");
                port (DATA : in std_logic_vector(LPM_WIDTH-1 downto 0) := (OTHERS => '0');
                          CLOCK : in std_logic;
                          ENABLE : in std_logic := '1';
                          SHIFTIN : in std_logic := '1';
                          LOAD : in std_logic := '0';
                          SCLR : in std_logic := '0';
                          SSET : in std_logic := '0';
                          ACLR : in std_logic := '0';
                          ASET : in std_logic := '0';
                          Q : out std_logic_vector(LPM_WIDTH-1 downto 0);
                          SHIFTOUT : out std_logic);
end component;