SYNOPSIS

#include <genlib.h>

void GENLIB_MACRO (DPGEN_FIFO, char *modelname, long flags, long N);

DESCRIPTION

Generate a FIFO of regNumber words of N bits named modelname.

How it works :

• datain0 and datain1 : the two write busses. Only one is used to actually write the FIFO, it is selected by the sel signal.
• sel : when set to '0' the datain0 is used to write the register word, otherwise it will be datain1.
• r, rok : set r when a word is requested, rok tells that a word has effectively been popped (rok == not empty).
• w, wok : set w when a word is pushed, wok tells that the word has effectively been pushed (wok == not full).

TERMINAL NAMES

1.

ck : clock signal (input, 1 bit).

2.

reset : reset signal (input, 1 bit).

3.

r : read requested (input, 1 bits).

4.

w : write requested (input, 1 bits).

5.

rok : read acknowledge (output, 1 bits).

6.

wok : write acknowledge (output, 1 bits).

7.

sel : select the write bus (input, 1 bit).

8.

datain0 : first write bus (input, N bits).

9.

datain1 : second write bus (input, N bits).

10.

dataout : read bus (output, N bits).

11.

vdd : power.

12.

vss : ground.

EXAMPLE

GENLIB_MACRO(DPGEN_RF1, "model_fifox8_32"
                      , F_BEHAV|F_PLACE
                      , 32  /* Words size.      */
                      , 8   /* Number of words. */
                      );
GENLIB_LOINS( "model_fifox8_32"
            , "instance1_fifo1_32"
            , "ck"
            , "r"
            , "w"
            , "rok"
            , "wok"
            , "sel"
            , "datain0[31:0]"
            , "datain1[31:0]"
            , "dataout[31:0]"
            , "vdd", "vss", NULL
            );