Method and apparatus of controlling processing devices during po

Details Method and apparatus of controlling processing devices during po Method and apparatus of controlling processing devices during po

1992-11-30

1993-09-28

Gregory, Bernarr E.

Cryptography

Cryptanalysis

380 3, 380 9, 380 49, 380 50, H04L 900

Patent

active

052492273

ABSTRACT:
A voltage sensing circuit is used to determine when the current supply to a processing unit is under transition. During power up transitions, the voltage sensing circuit allows the processing unit to reset normally. During power down transitions, the voltage sensing circuit prevents the processing unit from resetting until a predetermined procedure has been completed, thereby assuring an orderly shutdown.

REFERENCES:
patent: 4965828 (1990-10-01), Ergott, Jr. et al.
patent: 5131040 (1992-07-01), Knapczyk

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