All, we did some testing using the code you attached and switched MCLK to output to measure wake up time. Below you see the fast wake and slow up time from LPM3 when measuring from wake-up event to first active clock edge using a ~1 MHz clock. Wake-Up from LPM3 slow = 4.2 us Wake-Up from LPM3 slow = 143.6 us We did this for LPM0 and LPM1 as well but here no differences can be seen between slow and fast. The wake up time is always around 1us. This means for LPM0 and LPM1 wake up there seems to be no difference between normal and full performance mode of the SVS. So I agree the datasheet is not 100% clear on this but these parameters are not specified at all. Is this ok for you KoT or do you need somehting else? Best regards, Dietmar
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