localparam DSP48E1_A_W       = 30;
localparam DSP48E1_B_W       = 18;
localparam DSP48E1_C_W       = 48;
localparam DSP48E1_D_W       = 25;
localparam DSP48E1_P_W       = 48;
localparam DSP48E1_INMODE_W  = 5;
localparam DSP48E1_OPMODE_W  = 7;
localparam DSP48E1_ALUMODE_W = 4;