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MSPM0L2227: Interrupt pin

Part Number: MSPM0L2227

Tool/software:

Hi,

     I am developing a circuit with MSPM0L2227 controller and want to connect a switch which will act as a interrupt to to the controller. Can you please let me know which GPIO can be used for the interrupt function ?

I see in the reference manual it is mentioned as each GPIO has event capability so can I connect to any GPIO ?

Also I am unbale to understand what is the difference between FIRST, SECOND and THIRD EVENT PUBLISHER option of GPIO ? In my case where a simple switch is connected to GPIO it will be FIRST / SECOND Event PUBLISHER ?

Thanks in advance.

Regards,

Bitesh