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Man Pages


Manual Reference Pages  -  DPGEN_DFFT (3)

NAME

DPGEN_DFFT - Dynamic Flip-Flop with Scan-Path Macro-Generator

CONTENTS

Synopsis

SYNOPSIS

#include <genlib.h>

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

DESCRIPTION

Generate a N bits dynamic flip-flop with scan-path named modelname. The two latches of this flip-flop are dynamic, i.e. the data is stored in a capacitor.

How it works :
o scan when set to ’1’ enables the scan-path mode. Note that in scan-path mode, the wen signal is not effective.
o scin : the input of the scan-path. This terminal is different from i0[0].

The scout is q[N-1] (in the following example this is q[31]).

o wen when set to ’1’ enables the writing of the flip-flop.

    TERMINAL NAMES

1. scan : scan-path mode (input, 1 bit).
2. scin : scan path in (input, 1 bit).
3. wen : write enable (input, 1 bit).
4. ck : clock signal (input, 1 bit).
5. i0 : data input (N bits).
6. q : output (N bits).
7. vdd : power.
8. vss : ground.

EXAMPLE

GENLIB_MACRO(DPGEN_DFFT, "model_dfft_32"
                       , F_BEHAV|F_PLACE
                       , 32
                       );

GENLIB_LOINS( "model_dfft_32" , "instance1_dfft_32" , "scan" , "scin" , "wen" , "ck" , "i0[31:0]" , "q[31:0]" /* a[31] is "scout". */ , "vdd", "vss", NULL );

SEE ALSO

GENLIB_MACRO(3), genlib(1)

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ASIM/LIP6 DPGEN_DFFT (3) 30 July 2004

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