RE: [avr-gcc-list] USB?

[Uccelli Danilo]

Hi,

It is very easy to use an standard I/O port to work with the FTDI parallel
chip FT245BM.

On an ATmega64 I have used PORTA for the bi-directional data bus, and an
other port for 2 bits in output (RD ant WR command) and 2 bits in input (for
reading the status).

The software have to change the direction of the data port to read or write
data, but this is not to heavy because the chip have enough FIFO space.

Danilo

-----Original Message-----
From: Jamie Morken [mailto:address@hidden
Sent: Monday, November 03, 2003 7:07 AM
To: address@hidden
Subject: Re: [avr-gcc-list] USB?


Hi,

I have one of these too but haven't hooked it up to the AVR yet, do you have
an example of the memory mapped interface to the AVR?  Does this only work
on AVR's with external SRAM?

cheers,
Jamie

----- Original Message -----
From: "Reza Naima" <address@hidden>
To: "Torsten Mohr" <address@hidden>
Cc: <address@hidden>
Sent: Sunday, November 02, 2003 8:39 PM
Subject: Re: [avr-gcc-list] USB?


> I use and love the FTDI 8 bit<->usb controller ICs.  Works flawlessly
> with the memory mapped interface, or they have a serial<->usb IC which
> didn't seem as useful.
>
> Reza
>
> On Mon, Nov 03, 2003 at 12:38:46AM +0100, Torsten Mohr sent me this...
> > Hi,
> >
> > i saw in the archive that there was a discussion on
> > USB on the AT43USB355.
> >
> > Is this working?
> >
> > Are there examples available?
> >
> > I'd like to implement a serial-over-USB connection
> > to that target.  Any other hints?
> >
> >
> > Best regards,
> > Torsten.