Add support for the ATMega1284P in Sanguino

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This is a formal request to add support for the ATMega1284P in the Sanguino 
codebase. I already have the ATMega1284P chip and when my Sanguino board 
arrives and I solder it all together and hopefully can help out with the coding.

The ATMega1284P is a revision bump in the ATMega644P family of AVRs.

Thanks,
David Cooper <dave@kupesoft.com>

Original issue reported on code.google.com by dave%kup...@gtempaccount.com on 15 Jul 2010 at 8:03

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More info on the progress of others can be found here -- 
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1273415167

Original comment by dave%kup...@gtempaccount.com on 15 Jul 2010 at 8:04

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Bootloader support? its drop in compatable!

Original comment by silent...@gmail.com on 24 Oct 2011 at 4:28

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Any news on this? Is this really an "issue" or is the existing bootloader 
compatible. I wasn't exactly sure what the status is following that thread...

Original comment by kc9...@gmail.com on 23 Dec 2011 at 7:08

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Would like others to formally test, but has been working for me since 0023r2.  
(trying to clean up issues )

Original comment by sutt...@gmail.com on 19 Feb 2012 at 10:19

• Changed state: Fixed