https://devzone.nordicsemi.com/f/nordic-q-a/18701/why-my-press-button-51822-dead-haltPress down PWRON1 give rise to Q2 and Q3 conduction, the 51822mcu power on and IO send a hight level to PWRON,to keep VCC_nRF. At this time press a lot of button will not shutdown 51822 VCC but.............. PWM work on Specific frequency outputen-USTelligent Community 13Tue, 03 Jan 2017 14:47:32 GMThttps://devzone.nordicsemi.com/thread/72212?ContentTypeID=1Tue, 03 Jan 2017 14:47:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0a15f1c0-a163-48f9-b6c3-c9d5914975c3Stian R&#248;ed Hafskjold<p>I think we need some more explanation on what you are trying to do. Please update your question with more info.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/72213?ContentTypeID=1Mon, 02 Jan 2017 00:40:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f58e4d4b-c6c1-4451-93b5-9d98e1028ec5Michael Antwih<p>Are you able to provide a plot in your simulation tool showing the traces? I think explaining the overall goal of the circuit would be helpful as well.</p><div style="clear:both;"></div>