In single supply mode, the VCORE device pin requires a bypass capacitor as detailed in the device datasheet. Otherwise, no conditioning should be applied to this device pin. The device pin should remain unbiased.
In dual supply mode, the VCORE device pin requires a bypass capacitor as detailed in the device datasheet. This device pin requires an operating voltage range defined by the symbol VCORE in the device datasheet. Minimal power consumption in the device Backup mode of operation is obtained by applying 0V to the VCORE device pin or simply allowing the VCORE device pin to be unbiased.