It seems that even though it is present on the board as Y2 and fully connected, the slow clock is driven by the internal RC oscillator and not the external crystal. Y1 seems to be a pretty high-quality part, why is it not used? Power reasons? To turn it on, put the code below into the init() functi…

Slow Clock External Crystal is Not Used - BUG

m3741 September 25, 2013, 5:37pm 6

leo72:
PS:
the 32 kHz crystal is labeled Y2, not Y1.

Good catch; post edited. Thanks!