\begin{itemize} \item \textbf{Name} : DpgenRam -- RAM Macro-Generator \item \textbf{Synopsys} : \begin{verbatim} Generate ( 'DpgenRam', modelname , param = { 'nbit' : n , 'nword' : regNumber , 'physical' : True } ) \end{verbatim} \item \textbf{Description} : Generates a RAM of \verb-regNumber- words of \verb-n- bits named \verb-modelname-. \item \textbf{Terminal Names} : \begin{itemize} \item \textbf{ck} : clock signal (input, 1 bit) \item \textbf{w} : write requested (input, 1 bit) \item \textbf{selram} : select the write bus (input, 1 bit) \item \textbf{ad} : the address (input, \verb-Y- bits) \item \textbf{datain} : write bus (input, \verb-n- bits) \item \textbf{dataout} : read bus (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{nword} (mandatory) : Defines the size of the words \item \textbf{physical} (optional, default value : False) : In order to generate a layout \end{itemize} % \item Behavior : %\begin{verbatim} %\end{verbatim} \item \textbf{Example} : \begin{verbatim} from stratus import * class inst_ram ( Model ) : def Interface ( self ) : self.ck = SignalIn ( "ck", 1 ) self.w = SignalIn ( "w", 1 ) self.selram = SignalIn ( "selram", 1 ) self.ad = SignalIn ( "ad", 5 ) self.datain = SignalIn ( "datain", 32 ) self.dataout = TriState ( "dataout", 32 ) self.vdd = VddIn ( "vdd" ) self.vss = VssIn ( "vss" ) def Netlist ( self ) : Generate ( 'DpgenRam', 'ram_32_32' , param = { 'nbit' : 32 , 'nword' : 32 , 'physical' : True } ) self.I = Inst ( 'ram_32_32', 'inst' , map = { 'ck' : self.ck , 'w' : self.w , 'selram' : self.selram , 'ad' : self.ad , 'datain' : self.datain , 'dataout' : self.dataout , 'vdd' : self.vdd , 'vss' : self.vss } ) def Layout ( self ) : Place ( self.I, NOSYM, Ref(0, 0) ) \end{verbatim} \end{itemize}