From: "Gregg C Levine" <mrspock1962@hotmail.com>
To: <linux-mtd@lists.infradead.org>
Subject: RE: Jedec probe for strange 28F800B3 chips (patch)
Date: Wed, 8 May 2002 18:34:04 -0400 [thread overview]
Message-ID: <002201c1f6e0$75675ce0$3551580c@who> (raw)
In-Reply-To: <1020891940.2172.32.camel@sycamore.mit.edu>
Hello from Gregg C Levine
Parts like that, are not uncommon, just darned annoying to fellow
designers. Suggest you call them, part-number-A, such as 28F800B3A. In
fact I suggest you examine the parts, to see what part number they have
stamped on them. I'd be surprised, if the thought never occurred to
Intel before.
-------------------
Gregg C Levine mrspock1962@hotmail.com
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> -----Original Message-----
> From: linux-mtd-admin@lists.infradead.org [mailto:linux-mtd-
> admin@lists.infradead.org] On Behalf Of Colin Cross
> Sent: Wednesday, May 08, 2002 5:06 PM
> To: linux-mtd@lists.infradead.org
> Subject: Jedec probe for strange 28F800B3 chips (patch)
>
> I'm working on an embedded system that has two Flash chips labeled
> 28F800B3-10BD. The Intel datasheets say they should have an
identifier
> of 0x8893 (which matches jedec_probe.c), but they report an identifier
> of 0x889D. I found one errata datasheet that says the correct
> identifier for these chips is in fact 0x889D. However, the block map
of
> this chip is completely different from the one described in the
> datasheets. It has 1 16kB block, 2 8kB blocks, 1 96kB, and 7 128kB
> blocks. This matches the block map for some other random Intel 8Mb
> flash chip, but I can't find any datasheets that give this block map
and
> identifier together. I've added these chips to jedec_probe.c, and
they
> work fine once added, but I'm at a loss as to why these chips don't
> agree with the datasheets. Can anyone offer any insight? Does anyone
> have 28F800B3 chips that follow the datasheet? I've attached a patch
> that adds support for them, but I'm not sure what to call them (Intel
> 28F800B3B version 2? for now).
next prev parent reply other threads:[~2002-05-08 22:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-08 21:05 Jedec probe for strange 28F800B3 chips (patch) Colin Cross
2002-05-08 22:34 ` Gregg C Levine [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-05-24 21:56 Conley, Christopher
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