ZHCSAU6D November 2012 – September 2018 MSP430F67451 , MSP430F67461 , MSP430F67471 , MSP430F67481 , MSP430F67491 , MSP430F67651 , MSP430F67661 , MSP430F67671 , MSP430F67681 , MSP430F67691 , MSP430F67751 , MSP430F67761 , MSP430F67771 , MSP430F67781 , MSP430F67791
PRODUCTION DATA.
The backup subsystem operates on a dedicated power supply AUXVCC3. This subsystem includes a low-frequency oscillator, the RTC module, and backup RAM. The functionality of the backup subsystem is retained during LPM3.5. The backup subsystem module registers cannot be accessed by the CPU when the high-side SVS is disabled.