USB protokol a el. harakteristiky

[info]

sorry http://bazar.mcu.cz
----- Original Message -----
From: "info" <info@mcu.cz>
To: <hw-news@list.gin.cz>
Sent: Wednesday, February 27, 2002 8:02 PM
Subject: Re: USB protokol a el. harakteristiky


> 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
> > >
> > >
> >
>