AVR-Chat

----- Original Message ----- 
From: "Tim Mitchell" <tim@sabretechnology.co.uk>
To: <AVR-Chat@yahoogroups.com>
Sent: Friday, August 10, 2007 8:49 AM
Subject: RE: [AVR-Chat] How to connect AVR microcontroller with USB??


> John Samperi wrote:
>> At 04:05 PM 10/08/2007, you wrote:
>>> Does anyone know how to connect AVR microcontroller with USB? Where
>>> can I get the simply method for this?
>>
>> If the AVR is a slave just use one the FTDI (or similar) chips.
>>
>> If a master then it gets a lot more complicated and you will need
>> either an AVR with USB...if you can get it.. or something like a
>> Vinculum chip or a small module already wired up.
>>
>
> The AVR 90USB1287 device will do slave or "USB-OTG" (sort of master -
> allows you to connect a single USB slave device such as a pen drive).
> And it has mass storage or HID implementations so you don't need any
> drivers on the host PC.
>
> However it is far from simple. If you want simple and can accept having
> to install drivers on the host PC, the FTDI chips are much more
> straightforward.

The PICs with USB, like the 18F2455, are probably easier to use than the 
AVRs:

http://www.leonheller.com/usb

They don't have USB-OTG, though.

Leon
--
Leon Heller
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Yaesu FT-817ND and FT-857D transceivers
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