DPGEN_NUL3
Zero detector macro-generator
Usage
#include <genlib.h>
void GENLIB_MACRO (DPGEN_NUL, char *modelname, long flags, long N);
Overview
Generate a N bits zero detector named modelname.
Terminal names
1.
|
i0 : value to check (input, N bits). |
|---|---|
2.
|
q : null flag (output, 1 bit). |
3.
|
vdd : power. |
4.
|
vss : ground. |
Behavior
q <= <= '1' WHEN (i0 = X"00000000") ELSE '0';
Examples
GENLIB_MACRO(DPGEN_NUL, "model_nul_32"
, F_BEHAV|F_PLACE
, 32
);
GENLIB_LOINS( "model_nul_32"
, "instance1_nul_32"
, "i0[31:0]"
, "q" /* Flag null. */
, "vdd", "vss", NULL
);
Releases
Unchanged in 4 releases since Debian 7 (Wheezy).