https://devzone.nordicsemi.com/f/nordic-q-a/60536/do-we-need-to-define-nrfx_timer1_enabled-inorder-to-use-timer1Hello , Do we need to use TIMER1 ,2etc.. to use TIMER1 ? In my current configuration i have set NRFX_TIMER_ENABLED to 1 and others to 0 &quot;NRFX_TIMER0_ENABLED and other instances&quot;; But i can able to use any TIMER without a problem by using nrf librariesen-USTelligent Community 13Thu, 23 Apr 2020 10:35:16 GMThttps://devzone.nordicsemi.com/thread/246209?ContentTypeID=1Thu, 23 Apr 2020 10:35:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:43cd3b0e-a845-448f-b873-645a6564136aJ&#248;rgen Holmefjord<p>Hi,</p> <p>Since you are using the legacy driver API (nrf_drv_timer_*), setting the NRFX configs will not have any effect as they are overwritten by the legacy configs (TIMER_ENABLED, TIMER1_ENABLED, etc.) in apply_old_config.h.</p> <p>You should modify the legacy configs in your sdk_config.h file for the changes to take effect.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>