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Re: On the "safe filesystem" and write() topic



On Saturday 7th July Bjorn Malik wrote:
 
> Fact: flash chip sectors takes long to erase (1-2 seconds)
> 
> Fact: you need to erase to make room for new data
> 
> Hence, if you need the app to do synchronous writing, it will need to
> wait.

Not so with NAND flash. Toshiba data sheet show maximum time for 
block erase 4mS.

This plus the small block/sector size for NAND devices, typically 16Kbytes mean these
devices are far more suitable for embedded work. 

Clive Simmens


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