Re: NAND flash

David Woodhouse
2001-10-16T15:59:39Z

ldoolitt@recycle.lbl.gov said:
> I think you should double check that assertion. My understanding is
> that the "Smart" in the name is a bug. These are actually NAND chips,
> consumer-grade packaged, standardized, and marketed, with no smarts at
> all. So you _could_ use the nand.c driver, with the right interface-
> specific wrapper layer to get at the device.

Correct, with the proviso that some SmartMedia 'adapters' have
microcontrollers built in, and the host can't actually _get_ at the raw
flash.

> Unfortunately, the result would not be content-compatible with other
> SmartMedia users, because SmartMedia also has a standard for encoding
> blocks on the nand chips. I tried to read that standard, but the PDF
> file is encrypted in a way that is incompatible with xpdf-0.92. The
> URL for that reference material has been posted here before, it's
> http://www.ssfdc.or.jp/spec/english/

Acroread can manage it. It all looks fairly simple to implement.

--
dwmw2