Le dimanche 14 f?vrier 2010 14:59:45 Gernot Hassenpflug, vous avez ?crit : > On Sun, Feb 14, 2010 at 4:35 PM, stef <stef.dev at free.fr> wrote: > > Le vendredi 12 f?vrier 2010 10:32:52 Gernot Hassenpflug, vous avez ?crit : > >> Milan Toman & I opened up our Canon 8800F scanners a few weeks ago and > >> tried to find information on the devices contained therein. I will put > >> up pictures on my home server on the weekend and post the URL in this > >> thread. > > > > Hello, > > > > there is one more data point you can try to get. By using > > usbsnoop, you could try to see if first USB writes send a firmware. If > > yes, you could try to feed it through disassembler to find if it a known > > micro controller, for instance something based on a 8080. > > > > Regards, > > Stef > > I still have to put the scanner together again (tomorrow night) and do > that. I am using Windows XP in VMWare on a Debian GNU/linux x86 host. > I guess you mean "try a disassembler", like x86dis, assuming x86 code. > It seems however NEC uses something like a V850 a lot. I'll look > around. > > General question: if there is a generic ASIC used to instruct the > scanner, does that mean the scanner driver hardware is then off-chip, > or can a generic ASIC produce the same kinds of outputs as, say, the > Genesys scanner driver chips? > > Regards, > Gernot > Hello,
the gt68xx based scanners use a 8052 based micro controller, and the XP Strobe Pro is based on a z80. A multi-purpose controller can be used to build a scanner. Might be the case for you. Regards, Stef