eXtreme Low-Power (XLP) Features Sleep Mode: 50 nA @ 1.8V, typical Windowed Watchdog Timer: 500 nA @ 1.8V, typical Secondary Oscillator: 500 nA @ 32 kHz Operating Current: 8 μA @ 32 kHz, 1.8V, typical 32 μA/MHz @ 1.8V, typical