DPGEN_ROM43
4 words rom macro-generator
Usage
#include <genlib.h>
void GENLIB_MACRO (DPGEN_ROM4, char *modelname, long flags, long N, char *constVal0, char *constVal1, char *constVal2, char *constVal3);
Overview
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";
Examples
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
);
Releases
Unchanged in 4 releases since Debian 7 (Wheezy).