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Old Feb 17, 2010, 09:42 PM
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Joined Nov 2009
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kapteinkuk it looks like if I wanted to build the circuit I might have trouble locating an 8 mhz atmega48. Could a 20 mhz be substituted or would I need an external 8 mhz clock?

A second look yielded some 10 mhz as well but I am still curious about the timing.

Well a third look at the pic shows the 20PI to be a 20mhz version so I guess the 8 mhz is derived from dividing the internal osc down. Forgive me the 2313 was the last avr I worked with.
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Last edited by pug398; Feb 18, 2010 at 07:34 PM.
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