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Rockbox mail archiveSubject: RE: ATA - USE_POWEROFF vs USE_SLEEPRE: ATA - USE_POWEROFF vs USE_SLEEP
From: Nielsen Linus (ext) <"Nielsen>
Date: Tue, 10 Sep 2002 15:25:37 +0200 > On another note - you mention tri-stating the ATA bus during > sleep; did you try it with the bus driven (to some idle state)? I can't drive it, /G is controlled by a chip select signal from the address decoder in the CPU. And the data direction is controlled by the /RD signal... > From what i understand of the ATA interface, the bus remains > active during sleep. You'd want to tri-state it for power-off, > but not sleep. Ok , then it may not be what causes the extra current draw. What could it be then...? > Floating CMOS inputs could explain the extra > current draw. That's what I have been thinking. But I'm definitely not sure... /Linus Received on 2002-09-10 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |