PIC32CZ CA80/CA90 Family

7.2.3 Voltage Regulator

The PIC32CZ CA internal Main Voltage Regulators have three different modes, controlled by the Power Manager (PM).

Enabled mode: This is the default mode when CPU and peripherals are running.
Low-Power mode: This is the mode when CPU and peripherals are in standby.
Disabled mode: When the chip is in backup mode, the internal regulator is off, the VDDCORE_SW core power domain is OFF. The VDDCORE_BU backup domain is powered by the backup regulator (LPVREGC).

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