From: "Mark Chambers" <markc@mail.com>
To: "Zajac Adam-AAZ004" <Adam.Zajac@motorola.com>,
<linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Summary: Question on the fs choice (long)
Date: Wed, 19 May 2004 21:14:57 -0400 [thread overview]
Message-ID: <004401c43e07$df9e8e60$0301a8c0@chuck2> (raw)
In-Reply-To: EFB813091B18D511BD3600508B644F820A617EF3@tx14exm06.ftw.mot.com
Regarding the hardware protection of flash chips on power-down: There's a
circuit we used to use to protect battery-backed RAM from this problem. The
basic technique is to hold the CS high when the power falls below a certain
value. See maxim-ic.com for chips that do this. I think for flash
substituting a capacitor for the battery would implement a similar function.
Just an idea, I don't know if anyone's actually tried it with flash...
Mark Chambers
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-05-20 1:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-19 22:59 Summary: Question on the fs choice (long) Zajac Adam-AAZ004
2004-05-20 1:14 ` Mark Chambers [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-05-20 15:49 Rune Torgersen
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