DPGEN_DFFT - Online Linux Manual PageSection : 3
Updated : 30 July 2004
Source : ASIM/LIP6
Note : Alliance - genlib User's Manual
NAMEDPGEN_DFFT − Dynamic Flip-Flop with Scan-Path Macro-Generator
SYNOPSIS#include <genlib.h> void GENLIB_MACRO (DPGEN_DFFT, char *modelname, long flags, long N);
DESCRIPTIONGenerate 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 : • scan when set to '1' enables the scan-path mode. Note that in scan-path mode, the wen signal is not effective. • 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]). • wen when set to '1' enables the writing of the flip-flop.
TERMINAL NAMES1. 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.
EXAMPLEGENLIB_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 ALSOGENLIB_MACRO(3), genlib(1) 0
Johanes Gumabo
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