Constant nrf_softdevice_s140::NRF_POWER_THRESHOLDVDDHS_NRF_POWER_THRESHOLDVDDH_V39

pub const NRF_POWER_THRESHOLDVDDHS_NRF_POWER_THRESHOLDVDDH_V39: NRF_POWER_THRESHOLDVDDHS = 12;

< 3.9 Volts power failure threshold.