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MKV4x Watchdog refresh problem

Question asked by agostino facotti on Apr 27, 2018
Latest reply on Apr 27, 2018 by agostino facotti

Hi,

 

I'm trying to add the watchdog on a MKV42F128VLH16 but i noticed the following issue:

- when the refresh happens too frequently the watchdog causes reset.

 

Trying more I see that adding a small for loop that eat time resolves the problem.

Someone has an idea on why this happens?

 

I'm attaching a sample project that shows the two behaviour; in main():

- with the "#if 0" the MCU reset after the timeout period;

- changing "#if 0" to "#if 1" the refresh is correct.

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