https://devzone.nordicsemi.com/f/nordic-q-a/18425/nrf51822-analog-input-while-system-off-power-consumptionHi, We are designing a system that shall supervise the battery voltage (1 AA cell) on an analog input to the nRF51822. Question is what happens when we put the processor in SYSTEM OFF? Will we experience a leakage current from the battery? What happensen-USTelligent Community 13Fri, 16 Dec 2016 11:43:12 GMThttps://devzone.nordicsemi.com/thread/71099?ContentTypeID=1Fri, 16 Dec 2016 11:43:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cc3964a5-7d0b-4d82-a40b-8bf453031374Ole Bauck<p>Hi,</p> <p>The GPIO register is retained in SYSTEM OFF sleep mode. If the pin is set to input (high impedance), there should be no leakage current.</p> <p>Ole</p><div style="clear:both;"></div>