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Re: [avr-gcc-list] WinAvr 20081205 and Xmega AVR

From: Anatoly Sokolov
Subject: Re: [avr-gcc-list] WinAvr 20081205 and Xmega AVR
Date: Wed, 4 Feb 2009 22:27:16 +0300


 In fact, the XMEGA A manual, page9, section 3.8 states that
NOTHING is needed other than writing the SPL first (writing SPL disables
interrupts for four cycles).

Wow!!!! Thanks for catch it! I wanted to see it in the new core and upset when not found.

In ATxmega A MANUAL revision A there was no information about disabing interrupts during writing the SP.

Eric, we are now to significantly reduce prologue/epilogue code for the Xmega devices.

Thanks, Larry.


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