EFM32ZG110 DATASHEET ARM Cortex-M0 • 0.9 μA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz oscillator, Power-on Reset, Brown-out Detector, RAM and CPU retention • 46 μA/MHz @ 3 V Sleep Mode • 114 μA/MHz @ 3 V Run Mode, with code executed from flash