Re: [Xylo-SDR] FTDI FT2232C USB interface

["Leon Heller" <leon.heller@bulldoghome.com>]

----- Original Message ----- 
From: "Lyle Johnson" <kk7p@wavecable.com>
To: "Xylo-SDR Discussion" <xylo-sdr@lists.ae5k.us>
Sent: Saturday, January 14, 2006 4:47 PM
Subject: Re: [Xylo-SDR] FTDI FT2232C USB interface


> > The FTDI FT2232 might be worth considering as an alternative to the 
> > Cypress
> > FX2LP. It's a lot cheaper and smaller, and might be fast enough:
> >
> > http://www.ftdichip.com/Products/EvaluationKits/FPGA.htm
>
> The Silicon Laboratories CP2102 is also a reasonable candidate for an
> RS232 <-> USB interface.
>
> <http://www.silabs.com/tgwWebApp/public/web_content/products/Microcontrollers/Interface/en/interface.htm>
>
> The advantage of the FX2 is that it is more than just an serial
> converter; it is a programmable 8051 microcontroller that can execute
> algorithms, such as programming the FPGA from a bitstream.

The FT2232 is often used for that, in bit-banged mode. It has a second 
channel that can be used for transferring data after the FPGA has been 
configured,but I'm not sure if it is fast enough.

Leon 

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