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Re: [avr-gcc-list] Doubts on ATmega128(L) clock speed
From: |
David VanHorn |
Subject: |
Re: [avr-gcc-list] Doubts on ATmega128(L) clock speed |
Date: |
Sun, 9 Sep 2007 15:21:37 -0400 |
> Curious, what's the reason for this? Normally, you don't gain much by
> running an AVR at lower clock frequencies, compared to have it running
> as fast as possible (for the desired target voltage), and then put it
> to sleep once the job is done.
In my case, I needed to save power, so I would wake up, run at 16 MHz,
then shut down and max out the Xdiv on the way down. When sleeping
for days at a time, this makes significant differences in the power
consumption.