OT : Lexmark Z13

[info]

Mohu nabidnou procesor od TI s USB, najdete ho v rubrice Mikroprocesory na
www.bazar.mcu.cz
Je to jadro 51 s USB slave

MK
----- Original Message -----
From: "STRAKA, Matus" <magpie@pobox.sk>
To: <hw-news@list.gin.cz>
Sent: Wednesday, February 27, 2002 6:57 PM
Subject: RE: USB protokol a el. harakteristiky


>
> najlepsi link je zacat na www.usb.org.
>
> Zapojenie USB: Vcc, GND, D+ a D-. D+ a D- su asynchronne diferencialne
data.
> Rychlost je pri USB 1.1 do 12MBit/s, hodiny zbernice 48 MHz.
>
> Dekodovanie je dost zlozite (aj analogova cast, aj digitalna). Vlastny
vyvoj
> sa IMHO neoplati, lepsie su hotove radice. Pre stranu device napr.
National
> Semiconductor USBN960x, kde x 2,3,4, nieco robi aj Philips, nieco Cypress,
> nieco Anchor.
>
> Mt
>
>
> > -----Original Message-----
> > From: owner-hw-news@list.gin.cz
> > [mailto:owner-hw-news@list.gin.cz]On Behalf Of Ales Donda
> > Sent: Wednesday, February 27, 2002 3:01 PM
> > To: 'hw-news@list.gin.cz'
> > Subject: USB protokol a el. harakteristiky
> >
> >
> > Mozn? to tady uz kdysi zaznelo.
> >
> > Sh?n?m zapojen? USB, ale predevs?m jeho elektrik? charakteristiky a
> > komunikacn? protokoly.
> >
> > Nem? nekdo link nebo dokumentaci?
> >
> >
> > D?ky  Ales
> >
> >
>