On Tue, 14 Feb 2006 23:27:01 -0800 (PST), you wrote:
>Hi all,
> how can I write and read in/from flash disk memory (USB) dirrectly and without any prepheral chip?
Can't do it.
CompactFlash or Smartmedia are MUCH easier to control, and can be done with little or no external
components.
If you really want USB, use one of these :
http://www.ghielectronics.com/USBwiz.htm