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watchdog timer

   Also found in: Acronyms, Wikipedia 0.01 sec.
watchdog timer
A 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.
watchdog timer [′wäch‚dȯg ‚tīm·ər]
(control systems)
In a flexible manufacturing system, a safety device in the form of a control interface on an automated guided vehicle that shuts down part or all of the system under certain conditions.
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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.
Xilinx delivers industry's fastest microcontroller with new ... by EDP Weekly's IT Monitor
The built-in watchdog timer and CMOS automatic backup and restore function ensure reliability and durability.
Advantech introduces PCA-6003 full-sized single board computer. ... by Customer Interaction Solutions
The chip also contains 256 Kbytes of static RAM and a set of onboard peripherals which include 4 DMA controllers, 3 timer/counters, interrupt controller, SPI, 2 high-performance serial ports, external bhip selects, and a watchdog timer.
Embedded Chip Rides Several Busses by Mandel, Richard / Designfax
 
 
 
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