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Old Nov 27, 2012, 06:10 AM
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Denmark, Capital Region of Denmark, Naerum
Joined Feb 2011
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Quote:
Originally Posted by Legot View Post
Dennis,
do you think that a clock prescaler could be implemented in the code so that a single 27Mhz crystal can provide the clock needed for both the Atmega and the MAX? (as opposed to a 16Mhz and a 27Mhz)

Found some info here: http://arduino.cc/playground/Code/Prescaler

I know its not necessary in the slightest, it may even be impossible, but it would make a cool way to strip components off the board.
Hmm, I don't think it's possible to run Atmega328 with 27 MHz and as far as I know, the prescalers is only for timers etc? But I gotta admit, that I have never looked for that feature.

To be honest, I don't think it's worth the trouble even if you find a fancy way to do it. Especially cause 27 MHz / 2 gives 13.5 MHz which is not close to 16 MHz. It will give some new trouble with UART speed etc.
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