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DPGEN_ROM4 - 4 words ROM Macro-Generator

DPGEN_ROM4(3) Alliance - genlib User's Manual DPGEN_ROM4(3)

NAME

DPGEN_ROM4 - 4 words ROM Macro-Generator

SYNOPSIS

#include <genlib.h>
 
void GENLIB_MACRO (DPGEN_ROM4, char * modelname, long flags, long N, char *constVal0, char * constVal1, char *constVal2, char *constVal3 );

DESCRIPTION

Generate a N bits 2 words optimized ROM named modelname.

TERMINAL NAMES

1.
sel1 : upper bit of the address (input, 1 bits).
2.
sel0 : lower bit of the address (input, 1 bits).
3.
q : the selected word (output, N bit).
4.
vdd : power.
5.
vss : ground.

BEHAVIOR

q <= WITH sel1 & sel0 SELECT contsVal0  WHEN B"00",
                             contsVal1  WHEN B"01",
                             contsVal2  WHEN B"10",
                             constVal3  WHEN B"11";
      

EXAMPLE

GENLIB_MACRO(DPGEN_ROM4, "model_rom4_set1_16"
                       , F_BEHAV|F_PLACE
                       , 4
                       , "0xFF00"  /* A string! */
                       , "0xCCCC"  /* A string! */
                       , "0xF0F0"  /* A string! */
                       , "0xAAAA"  /* A string! */
                       );
GENLIB_LOINS( "model_rom4_set1_16" , "instance1_rom4_set1_16" , "sel1" , "sel0" , "q[31:0]" , "vdd", "vss", NULL );

SEE ALSO

GENLIB_MACRO(3), genlib(1)
30 July 2004 ASIM/LIP6