ZHCSDA0E January 2015 – August 2018 MSP430FR6820 , MSP430FR6822 , MSP430FR68221 , MSP430FR6870 , MSP430FR6872 , MSP430FR68721 , MSP430FR6920 , MSP430FR6922 , MSP430FR69221 , MSP430FR6970 , MSP430FR6972 , MSP430FR69721
Twenty-six bytes of Tiny RAM are provided in addition to the complete RAM (see Table 6-37). This memory is always available even in LPM3 and LPM4, while the complete RAM can be powered down in LPM3 and LPM4. Tiny RAM can be used to hold data or a very small stack when the complete RAM is powered down in LPM3 and LPM4. Tiny RAM is not available in LPMx.5.