SLASE50A February 2015 – October 2018 MSP430F67621A , MSP430F67641A
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 Absolute Maximum Ratings. Exceeding the specified limits may cause malfunction of the device including erroneous writes to RAM and flash.