Samd20 wake up on usart

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Hello.

Is it possible that the ATSAMD20 can wake up somehow from deep sleep mode when it receives data from the USART? If yes, where should I look at for more information?

In any case needed, I bring the system in sleep mode by using:
 

system_set_sleepmode(SYSTEM_SLEEPMODE_STANDBY);
system_sleep();

 

Thank you very much!