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Re: [Discuss-gnuradio] Details on Ettus E100?

From: Douglas Geiger
Subject: Re: [Discuss-gnuradio] Details on Ettus E100?
Date: Tue, 14 Dec 2010 11:34:43 -0500

On Mon, Dec 13, 2010 at 6:53 PM, Matt Ettus <address@hidden> wrote:
> We have updated the datasheet with a block diagram.  You can find it on our
> ordering page or here:
> http://www.ettus.com/downloads/USRP_E100_Series_temporary_datasheet.pdf
> Matt

 Thanks Matt - that's very helpful. Interesting in that the Gumstix
configures the FPGA. I see the fpga-downloader program in
host/lib/usrp/usrp_e100 that does the work, and presumably with the
stock linux distribution you're shipping it has the image file in some
default location, and it looks like the uhd driver calls a magic
find_image_path function to find it. Are you all working on an
E-Series Application Note like the rather nice ones already existent
for the USRP1/2/N-series? Perhaps you could include some notes for
those of us who would want to create a custom distro image for our
E100's. Do you plan to share/host a repository of the default distro
loaded on the Gumstix? Are you using Angstrom to build that image?

As a side note it looks like there is no aeMB/microblaze loaded in the
fpga for the e100 (at least not in the fpga/usrp2/top/u1e directory,
which I assume is the correct place to look), so no firmware file to
create/load - which also presumably leaves more room for DSP work,
 Thanks again,

Doug Geiger

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