From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hex.linuxgrrls.org ([212.18.228.73] helo=mail.linuxgrrls.org ident=postfix) by pentafluge.infradead.org with esmtp (Exim 4.14 #3 (Red Hat Linux)) id 19ad6G-0001RM-Af for ; Thu, 10 Jul 2003 16:12:48 +0100 Date: Thu, 10 Jul 2003 16:12:57 +0100 (BST) From: jasmine@regolith.co.uk To: David Woodhouse In-Reply-To: <1057846853.21073.378.camel@passion.cambridge.redhat.com> Message-ID: References: <1057846853.21073.378.camel@passion.cambridge.redhat.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: Charles Manning cc: linux-mtd@lists.infradead.org Subject: Re: nand flash driver List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 10 Jul 2003, David Woodhouse wrote: > Hmmm. When sending multiple bytes of address, isn't ALE supposed to > remain high for the entire duration, without going low again between > cycles? How do you achieve this if it's on the address bus? By waiting to see if the next write is to the same address- it's not hard to do that sort of thing in an FPGA or SoC. Since the only line involved is the ALE to the NAND, there's no downside in hanging on a little longer before dropping it. -J.