SLASE54D March 2016 – January 2021 MSP430FR5962 , MSP430FR5964 , MSP430FR5992 , MSP430FR5994 , MSP430FR59941
PRODUCTION DATA
TI recommends powering AVCC and DVCC pins from the same source. At a minimum, during power up, power down, and device operation, the voltage difference between AVCC and DVCC must not exceed the limits specified in Section 8.1. Exceeding the specified limits may cause malfunction of the device including erroneous writes to RAM and FRAM.
Section 8.12.1.1 lists the power ramp requirements.