Sleep doesn't wake up after 4m:15s

[Palomino34]

https://forums.ghielectronics.com/t/power-sleep-fails-to-wake-on-gpio-interrupt/24548

[Palomino34]

Code below for testing this issue and could not preproduce

public class Program
    {
        const int LED1 = SC20260.GpioPin.PH11; // PB0
        const int LDR1 = SC20260.GpioPin.PE3; // PE3;
        const int APP = SC20260.GpioPin.PB7; // PE3;

        static GpioPin led1;
        static GpioPin buttonInterrupt;
        static GpioPin buttonEnterSleep;

        static void Main()
        {
            var controller = GpioController.GetDefault();

            led1 = controller.OpenPin(LED1);
            buttonInterrupt = controller.OpenPin(LDR1);
            buttonEnterSleep = controller.OpenPin(APP);

            led1.SetDriveMode(GpioPinDriveMode.Output);

            buttonInterrupt.SetDriveMode(GpioPinDriveMode.InputPullUp);
            buttonEnterSleep.SetDriveMode(GpioPinDriveMode.InputPullUp);

            buttonInterrupt.ValueChanged += Ldr1_ValueChanged;

            int cnt = 0;
            while (buttonEnterSleep.Read() == GpioPinValue.High)

            {

                led1.Write(led1.Read() == GpioPinValue.Low ? GpioPinValue.High : GpioPinValue.Low);

                var dt = DateTime.Now;

                Thread.Sleep(25);

                cnt++;


                if (cnt % 10 == 0)
                {                    

                    Debug.WriteLine("Press button APP to Enter sleep");

                }
            }

            while (buttonEnterSleep.Read() == GpioPinValue.Low) ;            

            DoTestWakeup();

            while (true)
            {
                Debug.WriteLine("Run from wakeup ");
                Thread.Sleep(250);
                led1.Write(led1.Read() == GpioPinValue.Low ? GpioPinValue.High : GpioPinValue.Low);
            }

        }

        private static void Ldr1_ValueChanged(GpioPin sender, GpioPinValueChangedEventArgs e)
        {
            Debug.WriteLine("Found interrupt");
        }

        static void DoTestWakeup()
        {                        
            Debug.WriteLine("Entering wakeup ");

            var st1 = new DateTime(2021, 1, 1, 0, 0, 0);

            var rtc = RtcController.GetDefault();

            var rtcDateTime = RtcDateTime.FromDateTime(st1);

            rtc.SetTime(rtcDateTime);

            SystemTime.SetTime(st1);

            Power.WakeupEdge = WakeupEdge.Rising;

            Power.Sleep(DateTime.Now.AddSeconds(4*60 + 20));

        }
    }