how to make the timer of nrf52840 low power?https://devzone.nordicsemi.com/f/nordic-q-a/43392/how-to-make-the-timer-of-nrf52840-low-powerhello everyone, I need a low power product, so I am using nrf52840. There is a problem now, When I add &quot;app_timer_init()&quot;(I never change the code in this method) in my code, the current is about 450ua,and when I deleted this line,the current is abouten-USTelligent Community 13Mon, 11 Feb 2019 09:08:26 GMTRE: how to make the timer of nrf52840 low power?https://devzone.nordicsemi.com/thread/170280?ContentTypeID=1Mon, 11 Feb 2019 09:08:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0dbe8b71-47b7-4c90-ac11-ec0200de4efaSusheel Nuguru<p>great, thanks for informing us on what was missing.</p><div style="clear:both;"></div>RE: how to make the timer of nrf52840 low power?https://devzone.nordicsemi.com/thread/170206?ContentTypeID=1Sat, 09 Feb 2019 03:48:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6a8334bc-8ecd-4abe-8fbf-edb3a5591336hlemon08<p>Thank you for the answer. I already solved it. I forgot add &quot;ble_stack_init()&quot; in my test code.&nbsp;</p><div style="clear:both;"></div>RE: how to make the timer of nrf52840 low power?https://devzone.nordicsemi.com/thread/170144?ContentTypeID=1Fri, 08 Feb 2019 14:29:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5888fc7f-7b4f-4c12-a966-818ef1a057b1Susheel Nuguru<p>that seems to be a current draw of the HFCLK and I am not sure why app_timer_init is starting the HFCLK!!!<br />By any chance did you set the LFCLK to&nbsp;LFSYNTH??? it would then require the hfclk to start when starting RTC</p><div style="clear:both;"></div>