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Wakeup timer external clock on P1.0

Question asked by dougnguyen on Sep 20, 2013
Latest reply on Sep 23, 2013 by MMA

I have an application where I need to count pulses generated from a sensor (up to 650KHz).  I am thinking of connecting the signal to P1.0 and use the wakeup timer for this purpose.  Does anyone know if this does or does not work and if there's any limitation on the frequency?  And if this will prevent the CPU from going to low power mode?