how to retain RAM data only for block 1

how to retain RAM data only for block 1https://devzone.nordicsemi.com/f/nordic-q-a/12091/how-to-retain-ram-data-only-for-block-1with nrf51 there is 2 blocks (block0 for softdevcie and block1 for user data and stack). I configured the system to retain RAM before going down using sd_power_ramon_set(0x00030003); unfortunately I cant find sd_power_ramon_set body. now I want toen-USTelligent Community 13Tue, 23 Feb 2016 17:34:32 GMTRE: how to retain RAM data only for block 1https://devzone.nordicsemi.com/thread/45762?ContentTypeID=1Tue, 23 Feb 2016 17:34:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8747469f-c5d1-4504-9370-e0dc1103001eWojtek<p>According to <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s110.api.v8.0.0/group___n_r_f___s_o_c___f_u_n_c_t_i_o_n_s.html#ga3e7395f75509209909c47a9dc9fa8a2b">documentation</a> - this function just sets bits in NRF_POWER->RAMON register. You have description of each bit in registers in reference manual available on infocenter.</p> <p>So, to retain only block1, you have to call sd_power_ramon_set(0x00020003);</p><div style="clear:both;"></div>