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KL03Z: External Core Clock & Sleep Modes

Question asked by Sara Stout-Grandy on Sep 25, 2017
Latest reply on Sep 26, 2017 by Mark Butcher



I'm running a KL03 with an external clock at 6.144MHz. This external clock is clocking the core and the bus.


If I enter VLPS mode, the core clock is supposed to go to a deep sleep. How does this work with an external clock that continues to run? When I tried it, the code doesn't advance beyond the spot where the VLPS sleep mode was initiated. Is that normal? If so, why?