function c = sigma_delta_control
c = hdlnewcontrol(mfilename);
c.forEach('design_multi_stage3/Stage1_40_Tap_FIR_using_LUT/Sum',...
'built-in/Sum', {},...
'hdldefaults.ProductTreeHDLEmission',{});
%for tree implementation use hdldefaults.ProductTreeHDLEmission
%for cascade implementaiton use hdldefaults.ProductCascadeHDLEmission