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Is this possible if we use hard reset (Logic 1 Pulse with some delay) by using ISR and one Port Pin Connected to RESET Pin? so that Controller can RESET itself by Applying RESET signal by ISR. I mean Software *** Hardware RESET!
AT89S52 can be reset with logic high for 2 machine cycles to RESET PIN. I used Proteus VSM 7.1 and it shows RESET... Reset itself by ISR and Port Pin
delay(); RESET_Port_Pin=1; //Soft Reset to uC by Port Pin delay(); RESET_Port_Pin=0; delay();
But in Actual Circuit this Doesn't works. Without any chip it could be done or not? I think momentry latching of some type will help? Please help!
"Hence once the controller flies away or stays long in unintended loop,the Watchdog would compliant for the ignoring. So the controller will be reset."
Exactly!
And so, if you deliberately don't service the watchdog, you know that it will cause a reset!
QEF.