- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
KBA223960 gives a good overview how an erase operation in a Cypress NOR flash is working.
However it is not precise about the effects of the power-loss on OTHER sectors.
Depending on the phase of the erase operation interrupted it seems to be possible that over-erased cells are generated in problematic sector.
If the same bit-lines/columns are used for multiple sectors (which I don't know), this could result in a situation that the read operation in other sectors is affected.
So the first question is: Are bit-lines/columns are actually shared between different sectors (256 kByte)?
If yes, then the second question is whether there is a influence of the over-erased cells in one sector to the other sector is possible?
(and on which sectors - are there sector-groups?)
Solved! Go to Solution.
- Labels:
-
Serial NOR
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
Hi,
Please find the answer for your queries below.
- Over erased cells in one sector will not affect the data in other sectors.
- Power interruption during an erase operation in a sector will not affect data in other sectors.
Thanks and Regards,
Sudheesh
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
Hi,
Please find the answer for your queries below.
- Over erased cells in one sector will not affect the data in other sectors.
- Power interruption during an erase operation in a sector will not affect data in other sectors.
Thanks and Regards,
Sudheesh
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
Thanks for this clarification.