nRF52810 with Soft Device - RAM retention settings document and code example requiredhttps://devzone.nordicsemi.com/f/nordic-q-a/74537/nrf52810-with-soft-device---ram-retention-settings-document-and-code-example-requiredIn my product, the nRF52810 module is kept in system ON sleep mode until a user intervention is executed, upon which the module wakes up. But while in sleep mode the app_timer interrupt updates a software RTC in the RAM. When the wake up key interrupten-USTelligent Community 13Thu, 29 Apr 2021 13:38:47 GMTRE: nRF52810 with Soft Device - RAM retention settings document and code example requiredhttps://devzone.nordicsemi.com/thread/307511?ContentTypeID=1Thu, 29 Apr 2021 13:38:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c5b9e6f3-24be-4ddd-87d1-ab3f7807abc9SChary<p>Thanks Einar,</p> <p>I will run through the links you have shared and try to figure out the settings.</p> <p></p> <p>Regards</p> <p>Chary BS</p><div style="clear:both;"></div>RE: nRF52810 with Soft Device - RAM retention settings document and code example requiredhttps://devzone.nordicsemi.com/thread/307246?ContentTypeID=1Wed, 28 Apr 2021 12:10:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:60f8f532-8d89-4059-8002-51f7a4faaf97Einar Thorsrud<p>Hi Chary,</p> <p>If you use system ON low power mode, then RAM retention is on for the whole RAM by default. If you use system OFF, that can be enabled. Using the SoftDevice that must be done via the <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s112.api.v6.1.1/group___n_r_f___s_o_c___f_u_n_c_t_i_o_n_s.html?cp=4_7_0_3_2_6_2_22#ga9f1c3f64a4c56f2f6109e214cac02912">sd_power_ram_power_set()</a>&nbsp;API function. See <a href="https://infocenter.nordicsemi.com/topic/ps_nrf52810/power.html?cp=4_5_0_4_2">POWER</a> and <a href="https://infocenter.nordicsemi.com/topic/ps_nrf52810/memory.html?cp=4_5_0_3_1">Memory</a> for more details on the POWER registers and which index corresponds which with address range.</p><div style="clear:both;"></div>