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Re: [avr-libc-dev] [task #3693] Add new device: mega256

From: Bob Paddock
Subject: Re: [avr-libc-dev] [task #3693] Add new device: mega256
Date: Mon, 31 Jan 2005 20:26:21 -0500
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On Monday 31 January 2005 05:14 pm, Eric Weddington wrote:
> URL:
>   <http://savannah.nongnu.org/task/?func=detailitem&item_id=3693>

>                  Summary: Add new device: mega256

Actually there is no such thing as a ATmega256 now, they changed the 
nomenclature yet again, as you can find by searching the net for the 
ATmega2561.  There are a few variations in package and memory size, per
the public information from the seminar last year.

AVR097: Migration between ATmega128 and ATmega2561 (6 pages, revision A, 
updated 11/04) 

"ATmega128 and ATmega2561 are designed to be a pin and functionality 
compatible sub family. This application note points out the differences to be 
aware of when porting code between the devices."


From other public information on the net, such AVR Studio 4.11 release notes 
we know there is a ATmega2560.  We know from AVR097 that the 2561 is a 64-pin
part, it can be deduced from the seminar material that the 2560 is the 100-pin 
part.  The other information has not turned up in what is publicly available 

 http://www.unusualresearch.com/ http://www.bpaddock.com/

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