https://devzone.nordicsemi.com/f/nordic-q-a/47117/how-to-disconnect-swclk-pinHi , I&#39;m using Nrf52840 Development kit.when programming cable is connected with DK at that time Power consumption is High.if I Disconnect SWCLK After Test Power consumption is ok. let me know how to resolve this issue. Thanks Nikunj Patelen-USTelligent Community 13Thu, 09 May 2019 13:06:06 GMThttps://devzone.nordicsemi.com/thread/186207?ContentTypeID=1Thu, 09 May 2019 13:06:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:45a9f080-c062-4e29-a925-a2004b18f173awneil<p>Yes, it is to be expected that power consumption will be different (higher) when the debugger is connected.</p> <p>You need to do your power consumption testing with the debugger disconnected.</p> <p>This applies to <em><strong>any</strong> </em>microcontroller - it is not anything specific to Nordic.</p><div style="clear:both;"></div>