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Discussion Groups | Analog Devices DSPs | adsp 21364

Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).

  

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adsp 21364 - cee4max - Aug 21 8:36:09 2007



hi

  We are using ADSP 21364  for our audio processing application.We are
planning to use  MAX3420E (USB Peripheral Controller with SPI
Interface )  to interface with PC through serial peripheral interface
of the ADSP 21364.  Is it possible  to use SPI interface for half
duplex communication with MAX3420E
 regards
    saju


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Re: adsp 21364 - Mike Rosing - Aug 21 10:58:21 2007

On Tue, 21 Aug 2007, cee4max wrote:

> hi
>
>   We are using ADSP 21364  for our audio processing application.We are
> planning to use  MAX3420E (USB Peripheral Controller with SPI
> Interface )  to interface with PC through serial peripheral interface
> of the ADSP 21364.  Is it possible  to use SPI interface for half
> duplex communication with MAX3420E

Just looking at the data sheets I'd say yes.  Thanks for pointing out the
Maxim part, I can put that to work in a few other places too!

Patience, persistence, truth,
Dr. mike


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Re: adsp 21364 - Al Clark - Aug 21 11:43:34 2007

Mike Rosing wrote:
>
> On Tue, 21 Aug 2007, cee4max wrote:
>
> > hi
> >
> > We are using ADSP 21364 for our audio processing application.We are
> > planning to use MAX3420E (USB Peripheral Controller with SPI
> > Interface ) to interface with PC through serial peripheral interface
> > of the ADSP 21364. Is it possible to use SPI interface for half
> > duplex communication with MAX3420E
>
> Just looking at the data sheets I'd say yes. Thanks for pointing out the
> Maxim part, I can put that to work in a few other places too!
>
> Patience, persistence, truth,
> Dr. mike
>

The Maxim part is interesting but from their web site it wasn't apparent 
that they have device driver support.

It may be fairly straightforward (or maybe not) on the DSP side, but it 
is not trivial on the host side.

Device drivers cost a lot of money to develop. This situation is the 
reason that companies like FTDI & Cygnal have a viable business model.

Al Clark
Danville Signal Processing, Inc.
>


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Re: adsp 21364 - Mike Rosing - Aug 22 2:39:42 2007

On Tue, 21 Aug 2007, Al Clark wrote:

> The Maxim part is interesting but from their web site it wasn't apparent
> that they have device driver support.
>
> It may be fairly straightforward (or maybe not) on the DSP side, but it
> is not trivial on the host side.
>
> Device drivers cost a lot of money to develop. This situation is the
> reason that companies like FTDI & Cygnal have a viable business model.

Excellent point.  I have used FTDI a lot for serial to USB for exactly
that reason.

I did a google search on "usb made easy" and found this:
http://www.usbmadesimple.co.uk/ums_3.htm

A scroll down the page shows just how "simple" it is.  NOT!

But if you have time, it could be fun.....

Patience, persistence, truth,
Dr. mike


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