https://devzone.nordicsemi.com/f/nordic-q-a/40417/how-can-i-configure-the-interval-of-advertising-of-nrf52832-when-disconnectedDear all, I have been using the example based the example &quot;ble_app_uart&quot; of nRF5_SDK_15.2.0_9412b9. Every time I found that nRF52832 will go into sleepmode after about 206 seconds when diconnected. I want to change the interval. But I do not knowen-USTelligent Community 13Tue, 13 Nov 2018 13:11:44 GMThttps://devzone.nordicsemi.com/thread/157090?ContentTypeID=1Tue, 13 Nov 2018 13:11:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4e48d7fe-a0eb-4080-8212-296be195bc79Vidar Berg<p>Hi,&nbsp;</p> <p>Max. advertisement time with the&nbsp;BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE flag is 180 seconds, see&nbsp;BLE_GAP_ADV_TIMEOUT_LIMITED_MAX. Use&nbsp;BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE if you want to extend the timeout past 180 seconds or&nbsp;<span>APP_ADV_DURATION&nbsp;can be set to &#39;0&#39; if you want to&nbsp;enable unlimited advertising (no timeout).</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/156985?ContentTypeID=1Tue, 13 Nov 2018 06:16:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e06b3f84-ec17-446e-bc05-0e2c33c6b3a3tianfei00<p>And I do a test, if &nbsp;I configure the&nbsp;APP_ADV_DURATION more than 180 seconds，<span>nRF52832 can not work normally. And nRF52832 will always reset automatically after finished the fast advertising which I congfigured as 30 seconds.</span></p> <p><span><img alt=" " src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/advertising2.png" /></span></p> <p><span>Why&nbsp;nRF52832 can not set&nbsp;APP_ADV_DURATION more than 180s ?</span></p> <p><span></span></p><div style="clear:both;"></div>