https://devzone.nordicsemi.com/f/nordic-q-a/24638/power-consumption-due-to-arithmetic-operationsList item Hi, i am working on nrf52 sdk11 softdeviceS132, Working on custom board i have edited ble_app_uart example and implemented my application it is using PWM_Library application. i am operating PWM_Library with different duty cycles on aen-USTelligent Community 13Thu, 24 Aug 2017 13:16:33 GMThttps://devzone.nordicsemi.com/thread/96992?ContentTypeID=1Thu, 24 Aug 2017 13:16:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f278d820-6ba4-4960-81d4-ac1a1ced3334gkovelman_tap<p>Look at errata 87: CPU: Unexpected wake from System ON Idle when using FPU.</p> <p>See this question: <a href="https://devzone.nordicsemi.com/question/87838/high-power-consumption-when-using-fpu/?answer=87847#post-id-87847">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>