From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from creative.actrix.co.nz ([203.96.26.135]) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 16UNC5-00046S-00 for ; Sat, 26 Jan 2002 07:24:09 +0000 Received: from there (203-96-30-9-adsl.actrix.co.nz [203.96.30.9]) by creative.actrix.co.nz (Postfix) with SMTP id 7936116EA for ; Sat, 26 Jan 2002 20:35:06 +1300 (NZDT) Content-Type: text/plain; charset="iso-8859-1" From: Charles Manning Reply-To: manningc2@actrix.gen.nz To: linux-mtd@lists.infradead.org Subject: Re: Cf Card vs DiskOnChip Date: Sat, 26 Jan 2002 20:31:20 +1300 References: <20020126062925.22509.qmail@web8101.in.yahoo.com> In-Reply-To: <20020126062925.22509.qmail@web8101.in.yahoo.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20020126073506.7936116EA@creative.actrix.co.nz> Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: On Sat, 26 Jan 2002 19:29, Ramya Ravichandran wrote: > > > Doesn't the ROM needed depend on the application > > > > than > > > > > runs on Linux? > > > > you said "serial application". Doesn't seem like > > much to me > > Right now I am trying to find out the price of DOC. I > tried the serach words "DiskOnChip" and "DiskOnChip > Price" . The search results explain DOC but don't give > the price. > If the price of DOC is less than the CF+IDE > adapter or CF + PCMCIA-CF adapter then I guess we will > settle for DOC. > Also I dont know which adapter to go for PCMCIA or > IDE for CF as I am not a h/w person. > If the CF is "embedded" and you are not going to remove it while it is powered up (ie. use it like you would a DOC) then you quite likely do not need any PCMCIA adapter chips I've seen a few designs using CF this way. If you have an IDE bus/port on your board, then the following link also has an appnote on interfacing to that too. See http://www.sandisk.com/tech/oem_design/cf_dc.asp for some app notes on doing this kinda thing. NB Though... CF has no wear levelling and might give some product lifetime issues (it's really a consumer technology designed with a Kleenex mentality). -- Charles