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Re: [Discuss-gnuradio] InBand Signaling SPI and I2C


From: Eric Blossom
Subject: Re: [Discuss-gnuradio] InBand Signaling SPI and I2C
Date: Mon, 26 Feb 2007 08:13:27 -0800
User-agent: Mutt/1.5.9i

On Mon, Feb 26, 2007 at 10:47:20AM -0500, Brian Padalino wrote:
> Currently, the FX2 controls the SPI and I2C operations.  For the
> InBand signaling to work with tight time constraints, those operations
> are going to have to be controlled by the FPGA instead.
> 
> Does the FPGA have connections to do so?  If not, are there unused IO
> that can be used to a modified USRP?
> 
> Brian

Yes.  I think it's going to take a small amount of rework on the USRP.

Matt, can you spell this out?  As I recall we were going to need to
put the "Mystery Signal" to work ;)

Eric




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