Yep.
>-----Original Message----- >From: [EMAIL PROTECTED] [mailto:ecos-devel- >[EMAIL PROTECTED] On Behalf Of Jon Ringle >Sent: Friday, September 23, 2005 9:01 AM >To: [email protected] >Subject: Re: contributing filesystem and a failsafe update meachanism for >FIS from within ecos applications > >On Friday 23 September 2005 08:09 am, Neundorf, Alexander wrote: >> 5. after the image is written, set the valid_flag of the fis directory >> which will become active to 0xa5a5. In order to do this, the flash block >> doesn't have to be erased, since the transition from 0xfdfd to 0xa5a5 >only >> sets some bits to 0. > >I didn't know this property of flash. Is this a universal property of NOR >flash? > >Jon
