Timer run with Internal Clock ?

Timer run with Internal Clock ?https://devzone.nordicsemi.com/f/nordic-q-a/74258/timer-run-with-internal-clockI have a application using 52805 with no external crystal, I found that Timer1/2 not working, anyone have idea can Timer run with internal HFCLK(HFINT)? by the way, everything OK if test with SDK(with external Crystal).en-USTelligent Community 13Wed, 21 Apr 2021 11:41:20 GMTRE: Timer run with Internal Clock ?https://devzone.nordicsemi.com/thread/306075?ContentTypeID=1Wed, 21 Apr 2021 11:41:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:01c2516c-ed01-4f81-a244-22ac38fdb77bSimonr<p>Hi,</p> <p>Yes, it should be possible to run a timer from the internal HF oscillator, but please note that the<a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832.ps.v1.1%2Fclock.html&anchor=unique_1861058799"> frequency tolerance is 1.5-6% for the HFINT</a>, so you must expect up to 6% variation in the timer you're using, so it won't be very accurate.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>