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Whats the feature of Watch dog Timer?

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Question added by Fayaz Ahammed M , Quality Assurance Engineer , Amara Raja Batteries Limited
Date Posted: 2015/01/08
PAPPU MAJUMDER
by PAPPU MAJUMDER , Microsoft Business intelligence (MSBI) , Equifax

A timing device such that it is set for a 

preset time interval and an event must occur 

during that interval else the device will 

generate the timeout signal on failure to get 

that event in the watched time interval.

On that event, the watchdog timer is 

disabled to disable generation of timeout or 

reset 

Timeout may result in processor start a 

service routine or start from beginning

Deleted user
by Deleted user

timer used to recover malfunction

 

detect and trigger a processor reset

Yahia Altakriti
by Yahia Altakriti , System Engineer , MYCOM OSI

watch dog timer is very important feature for any critical part in your project where the time for this part (some of instructions ) exceeds the configure time , microcontroller will reset Automatically

sagarlal LB
by sagarlal LB , Sr. E&I Engineer @ Advanced Precision Service Co. , Advance Precision Services Co.

electronic timer which used to detect and recover from malfunction of computer during normal operation

Mohamed KARRAY
by Mohamed KARRAY , Associate Professor , ESME sudria

Restart the system if any instructions is excuted more times.

Control reset pin function

Selectable clock source

watchdog mode

interval mode

Mohammed Elsadig
by Mohammed Elsadig , Lecturer , University of medical sciences and technology

Watchdog timer is reponsible for reset the CPU if hang.

Dayal Dhandapani
by Dayal Dhandapani , Embedded developer , Trinity Mobility Pvt Ltd

It's a timer which can be set to certain time in a microcontroller, which recovers the controller from getting into malfunctioning or not working state when timer time is reached.

Ramil Natan
by Ramil Natan , Communication Engineer/Switching Network Engineer , O & M Directorate of KKMC, Ministry of Defense and Aviation

The WDT is similar to the Master Clear External Reset on a hardware, when activated and place the Program Counter back to the beginning of the program software (org 0). The WDT is activated when its time-out period is exceeded. It is a free running timer independent of ...

محمد سيد عبد المطلب
by محمد سيد عبد المطلب , Trainee , El-Ahly Channel

used to reset the system if the compiler stucked in any instruction 

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