Method and apparatus of controlling processing devices...

Details Method and apparatus of controlling processing devices... Method and apparatus of controlling processing devices...

H - Electricity

04

L

H04L 9/00 (2006.01)

Patent

CA 2127539

A power sensing circuit (108) is used to determine when the current supply to a microcontroller (107) is under transition. The power sensing circuit (108) has: a low voltage detector (200); a voltage regulator (201); a Schottky diode (202); resistors (203, 204, 205); a regulated voltage supply (206); a battery voltage supply (207); a backup power capacitor (208); a non-maskable interrupt (209); a reset override pin (210); and a reset input (211).

Circuit de détection d'alimentation (108) utilisé pour déterminer si l'alimentation du courant vers un microcontrôleur (107) connaît une phase de transition. Ce circuit (108) comporte les éléments suivants : un détecteur de basse tension (200); un régulateur de tension (201); une diode Schottky (202); des résistances (203, 204, 205); une alimentation stabilisée en tension (206); une alimentation de tension de batterie (207); un condensateur d'alimentation de réserve (208); une interruption non invalidable (209); une de blocage de la réinitialisation (210); et une entrée de réinitialisation (211).

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