From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Andreas_Bie=DFmann?= Date: Tue, 25 May 2010 10:54:05 +0200 Subject: [U-Boot] Flash Erase and Write timeout for S29GL512P In-Reply-To: References: <20100521071604.6F2A0CCF026@gemini.denx.de> Message-ID: <4BFB902D.9080303@corscience.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, Am 25.05.2010 10:31, schrieb prakash bedge: > Hi, > >>> Be careful. 1024 s is chip erase time, but we use sector erase only, so > it's only 3.5 seconds. > It would be really helpful if you please explain how 3.5 seconds come; since > the S29GL512P datasheet says sector erase operation time is 0.5 seconds and > program operation time is 64 microseconds. Please see Datasheet 11.7.5: Sector Erase Time Typ = 0.5; max = 3.5 Unit = sec regards Andreas Bie?mann