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Question asked by Clement Dourval on Feb 29, 2012
Latest reply on Mar 1, 2012 by Clement Dourval

Ok i hope my english will be clear enough !Also I m new in this forum i'm not sure to be in the good section but it suit pretty well for my problem !


My problem is on the MC9S08SH8 which one has an internal oscilator to 40 MHz, well that's what says datasheet but i don't manage to use it !

I mean in lab i only have 2 MHz  for using Timer with bus rate clock ! but in fact someone told me to use it !

So my question is : can we use the 40 MHz frequency (without using external tool) to use with a interruption routine !

And if it's not possible why do the datasheet says there is a 40MHz INTERNAL oscilator !

Hope i'll get help !

Thanks before you answered !