https://devzone.nordicsemi.com/f/nordic-q-a/43699/current-consumption-of-timerHi Support, I am testing current consumption of NRF_TIMER1, below is my code snippets, basically, I just start timer1 task and then stop it. After the two code lines of START/STOP added, current spikes increases, please see below capture. (GREENen-USTelligent Community 13Fri, 15 Feb 2019 04:05:40 GMThttps://devzone.nordicsemi.com/thread/171270?ContentTypeID=1Fri, 15 Feb 2019 04:05:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f1314616-369b-4301-9964-c7f2270df639Desmond Chen<p>Thank you for response. I find errata already states this issue.</p> <p><a href="https://www.nordicsemi.com/DocLib/Content/Errata/nRF52840_Rev1/latest/ERR/nRF52840/Rev1/latest/anomaly_840_78#anomaly_840_78">https://www.nordicsemi.com/DocLib/Content/Errata/nRF52840_Rev1/latest/ERR/nRF52840/Rev1/latest/anomaly_840_78#anomaly_840_78</a></p> <p>So I have to use TASK_SHUTDOWN instead of TASK_STOP.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/171008?ContentTypeID=1Thu, 14 Feb 2019 05:54:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d3fe38e7-008b-4e18-8864-3dddf0a74a8aAshish<p>Hey,</p> <p></p> <p>Maybe the High Frequency Clock(HFCLK) is still running? The Timer may have started the clock but didn&#39;t stop it?</p> <p></p> <p>You can check if clock is running or not using the functions from the&nbsp;<a href="https://www.nordicsemi.com/DocLib/Content/SDK_Doc/nRF5_SDK/v15-2-0/group__nrf__clock__hal" rel="noopener noreferrer" target="_blank">clock HAL</a>.</p><div style="clear:both;"></div>