A good reference http://www.lvr.com

Read also the Sialbs (www.silabs.com) appnote with good programming examples

A free PC USB library http://libusb-win32.sourceforge.net/

Diego



t_d ha scritto:
>
>
>
> hi to all,
>
> i work with AT89c5131am , device with USB on chip registers, so if
> some one have some USB subroutines, in assembler or C, please, do
> contact me to exchange some experience....
>
> b/r
>
> d
> P.S. Please, in English language!
>
> .
>
>