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AVR-Chat

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Re: [AVR-Chat] USB and ATmega

2005-01-04 by James Washer

For those of us who have never played with USB....  

Once I hook up the FTDI chip... 


What does the AVR "see"?
Is it just serial data? 
Do we have to included any USB aware code on the AVR? 
What kind of USB device driver is required on the host pc to talk to our device?
Does the FTDI handle buffering etc?
Do you have example code you'd be willing to share?

Yes, I'm sure this is all documented somewhere.. but a "jump start" would sure help us beginners

 - jim


On Tue, 4 Jan 2005 10:26:32 -0500
"Phillip Vogel" <phillip@bartal.com> wrote:

> Linx modules have the FTDI chip and all the glue in a 16 pin package.
> Hook up VCC, GND, TX, RX and 4 wires to the USB connector and you're
> good to go. Available from Digikey. Piece of cake.
> 
> Phillip
> 
> > -----Original Message-----
> > From: Paul Maddox [mailto:P.Maddox@signal.qinetiq.com]
> > Sent: Tuesday, January 04, 2005 8:24 AM
> > To: AVR-Chat@yahoogroups.com
> > Subject: Re: [AVR-Chat] USB and ATmega
> >
> >
> >
> > Hi,
> >
> > > >I want to add USB to a circuit with a ATmega
> > microcontroller, what is
> > > >the best choice considering price, compatibility, and speed?
> > >
> > > FTDI chips work nicely.
> >
> > I second that, FTDI chips are great and they come with
> > drivers for everything!!
> >
> > Paul
> >
> >
> >
> > 
> > Yahoo! Groups Links
> >
> >
> >
> > 
> >
> >
> >
> >
> >
> 
> 
> 
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