can uffs used on sd card?

[Ezio]

i want to use sd card to replace nand flash.As i found that sd is not
only
a lot of nand flash but also include a controller.Some vender have
integreted wear-leveling , bad block manangement and some other works
that
uffs have done. So if i want use uffs on sd card, can i success or
what should i do to accomplish this work?
thanks.


----
Regards,
Ezio.

[Ricky Zheng]

SD card controller makes the storage appear as a "block" device, just like hard drive.

It is not recommend to run UFFS over SD card although it can be done.

- Ricky

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[Ezio]

i'm trying to using uffs on both nand flash and sd card.
what should i do to archieve this goal?

by the way,
1.i found sd card will do wear-leveling itself ,does this affect the
using of uffs?
2.and as you said "SD card controller makes the storage appear as a
"block" device, just like hard drive." and it erase before write,so
how to deal with oob area?

thanks.


-----
Regards,
Ezio

----
Regards,
Ezio.