Deep Power Down Mode.1: Deep Power Down mode is not functional Introduction: Deep Power Down mode is like Power Down mode, but the on-chip regulator that supplies power to internal logic is also shut off. This produces the lowest possible power consumption without actually removing power from the entire chip. Problem: The power consumptionin Deep Power Down mode does not meet the specifications. Workaround: None. Vbat.1: Increased power consumption on Vbat when Vbat is powered before the 3.3 V supply used by rest of the device.