\begin{itemize} \item \textbf{Name} : DpgenRom2 -- 2 words ROM Macro-Generator \item \textbf{Synopsys} : \begin{verbatim} Generate ( 'DpgenRom2', modelname , param = { 'nbit' : n , 'val0' : constVal0 , 'val1' : constVal1 , 'physical' : True } ) \end{verbatim} \item \textbf{Description} : Generates a \verb-n- bits 2 words optimized ROM named \verb-modelname-. \item \textbf{Terminal Names} : \begin{itemize} \item \textbf{sel0} : address of the value (input, 1 bit) \item \textbf{q} : the selected word (output, \verb-n- bits) \item \textbf{vdd} : power \item \textbf{vss} : ground \end{itemize} \item \textbf{Parameters} : Parameters are given in the map \verb-param-. \begin{itemize} \item \textbf{nbit} (mandatory) : Defines the size of the generator \item \textbf{val0} (mandatory) : Defines the first word \item \textbf{val1} (mandatory) : Defines the second word \item \textbf{physical} (optional, default value : False) : In order to generate a layout \end{itemize} \item \textbf{Behavior} : \begin{verbatim} q <= WITH sel0 SELECT constVal0 WHEN B"0", constVal1 WHEN B"1"; \end{verbatim} \item \textbf{Example} : \begin{verbatim} from stratus import * class inst_rom2 ( Model ) : def Interface ( self ) : self.sel0 = SignalIn ( "sel0", 1 ) self.q = SignalOut ( "dataout", 4 ) self.vdd = VddIn ( "vdd" ) self.vss = VssIn ( "vss" ) def Netlist ( self ) : Generate ( 'DpgenRom2', 'rom2_0b1010_0b1100' , param = { 'nbit' : 4 , 'val0' : "0b1010" , 'val1' : "0b1100" , 'physical' : True } ) self.I = Inst ( 'rom2_0b1010_0b1100', 'inst' , map = { 'sel0' : self.sel0 , 'q' : self.q , 'vdd' : self.vdd , 'vss' : self.vss } ) def Layout ( self ) : Place ( self.I, NOSYM, Ref(0, 0) ) \end{verbatim} \end{itemize}