https://devzone.nordicsemi.com/f/nordic-q-a/31284/nrf51822qfac-pwmhello： i use timer1 to get a pwm waveform，when i use RTT to test it，the waveform is ok，but when i take out the RTT，and Remove the battery and put on the battery again to reset the device，and then i find that the waveform is wrong。 my code is makeen-USTelligent Community 13Mon, 12 Mar 2018 08:27:57 GMThttps://devzone.nordicsemi.com/thread/123835?ContentTypeID=1Mon, 12 Mar 2018 08:27:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:78bb14b2-af79-4820-86f5-8bb1a5eaf5baFormerMember<p>It is very strange that the behavior differs with RTT connected and not, since the RTT uses the clock in the debugger.&nbsp;</p> <p>Which timers do you use to manage the PWM logic?</p> <p>What is the principle of the clock logic in your application?</p> <p>&nbsp;</p><div style="clear:both;"></div>