Data processing: structural design – modeling – simulation – and em – Simulating electronic device or electrical system – Circuit simulation
Reexamination Certificate
2005-06-16
2008-09-23
Rodriguez, Paul L (Department: 2123)
Data processing: structural design, modeling, simulation, and em
Simulating electronic device or electrical system
Circuit simulation
C714S041000
Reexamination Certificate
active
07428483
ABSTRACT:
A simulation system includes glitch injection circuitry in one or more hardware design units to allow the injection of glitches or noise to evaluate the system's response to errors on signals between the hardware design units. The simulation system includes a stimulation module with a set of drivers to input simulation patterns into the design units. Some inputs to software models are driven by the outputs of software models of another design unit. The stimulation module can monitor these signals driven by the software model but it is difficult for the stimulation module to directly drive these signals. The added glitch circuitry allows injection of errors into the simulated hardware by the stimulation module on signals that are not directly driven by the stimulation module but are driven by the outputs of hardware design units.
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patent: 5668816 (1997-09-01), Douskey et al.
patent: 6771728 (2004-08-01), Abernathy
patent: 7020803 (2006-03-01), Wolin et al.
patent: 7251573 (2007-07-01), Sanduleanu et al.
Armstead Thomas Michael
Dancker Gregory Albert
Schardt Paul Emery
Kim Eunhee
Martin Derek P.
Martin & Associates LLC
Rodriguez Paul L
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