> Erasing the device does NOT mean writing zero blocks, or
> reformatting the filesystem.  All that does is allocate blocks
> from pages in the flash array

So, if you have a directory with file names, pointers to start
clusters etc, that will reset the FTL's block assignments as
though the card had been formatted and reloaded ?

If so, that would be practical for a micro to perform, as the
full format option means that files have to be reloaded, not
really something you should expect an end user to have to
do

Joe

PS, a question I meant to ask before. How does SDHC Flash
differ from eg PIC Flash ? For example, if SDHC has an issue
with read disturb why doesn't a PIC ? Instructions are read
from Flash billions or even trillions of times


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