diff --git a/hdl/sb_ice40_components.vhd b/hdl/sb_ice40_components.vhd
index af0244c..7b0325c 100644
--- a/hdl/sb_ice40_components.vhd
+++ b/hdl/sb_ice40_components.vhd
@@ -29,4 +29,64 @@ component  SB_RGBA_DRV
   );
 end component;
 
+-- SB_MAC16 DSP. Default values according to datasheet
+component SB_MAC16
+	generic (
+	NEG_TRIGGER : integer := 0;
+
+	A_REG : integer := 0;
+	B_REG : integer := 0;
+	C_REG : integer := 0;
+	D_REG : integer := 0;
+
+	TOP_8x8_MULT_REG : integer := 0;
+	BOT_8x8_MULT_REG : integer := 0;
+	PIPELINE_16x16_MULT_REG1 : integer := 0;
+	PIPELINE_16x16_MULT_REG2 : integer := 0;
+
+	TOPOUTPUT_SELECT : integer := 0;
+	TOPADDSUB_LOWERINPUT : integer := 0;
+	TOPADDSUB_UPPERINPUT : integer:= 0;
+	TOPADDSUB_CARRYSELECT : integer := 0;
+	BOTOUTPUT_SELECT : integer := 0;
+	BOTADDSUB_LOWERINPUT : integer := 0;
+	BOTADDSUB_UPPERINPUT : integer := 0;
+	BOTADDSUB_CARRYSELECT : integer := 0;
+	MODE_8x8 : integer := 0;
+	A_SIGNED : integer := 0;
+	B_SIGNED : integer := 0
+		);
+	port (
+	CLK: in std_logic;
+	CE: in std_logic := '1';
+
+	A: in std_logic_vector(15 downto 0) := (others => '0');
+	B: in std_logic_vector(15 downto 0) := (others => '0');
+	C: in std_logic_vector(15 downto 0) := (others => '0');
+	D: in std_logic_vector(15 downto 0) := (others => '0');
+
+	AHOLD : in std_logic := '0';
+	BHOLD : in std_logic := '0';
+	CHOLD : in std_logic := '0';
+	DHOLD : in std_logic := '0';
+
+	IRSTTOP : in std_logic := '0';
+	ORSTTOP : in std_logic := '0';
+
+	OLOADTOP : in std_logic := '0';
+	ADDSUBTOP : in std_logic := '0';
+	OHOLDTOP : in std_logic := '0';
+	IRSTBOT : in std_logic := '0';
+	ORSTBOT : in std_logic := '0';
+	OLOADBOT : in std_logic := '0';
+	ADDSUBBOT : in std_logic := '0';
+	OHOLDBOT : in std_logic := '0';
+
+	O: out std_logic_vector(31 downto 0);
+	CI : in std_logic := '0';
+	CO : out std_logic
+
+);
+end component;
+
 end components;