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How to detect Low voltage on K64  using Processor expert?

Question asked by kirti raje on Sep 11, 2019
Latest reply on Sep 18, 2019 by Alexis Andalon

Hi ,

I am working on K64FN controller with KDS 3.2.0. I would like to detect low voltage on K64 for writing data to flash to protect it from being erase on power on reset. I am using processor expert for my project. I have tried the below configuration from link 

K64 Low Voltage Detect 




Also I have made changes in unhandled vector from Build option of the CPU component to Own handler for every, so that I can check if LVD interrupt occurred. I did debug this by using J-link debugger. When I decreased the voltage below 3.1 V, it is showing me message that No source available at 0x00 and it is not going to the LVD_ISR. 

My question is how to get the LVD  interrupt fire in my code? 

Any help is appreciated.

Thank you,