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watchdog timer |
Also found in: Acronyms, Wikipedia | 0.06 sec. |
watchdog timerA clock circuit that keeps counting from a set number down to zero. If the event it is monitoring occurs before it reaches zero, it resets to the starting number and starts counting down again. If the timer reaches zero, it performs some action; for example, a diagnostic operation such as rebooting the computer or sending an error message. See watchdog packet. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In addition, a watchdog timer monitors systems and eliminates upsets by issuing resets to aid in the recovery from system failures. 0 PHY, both xSil267 and xSil268 pack a 16-bit processor along with a serial EEPROM port, two general purpose timers and a watchdog timer. Processor Supervisor--provides a host processor with two basic functions: detection of power supply fault conditions and a watchdog timer to escape a software lockup condition. |
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