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Re: [Discuss-gnuradio] USRP E100 Product Announcement

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] USRP E100 Product Announcement
Date: Tue, 23 Nov 2010 09:08:03 -0800
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101027 Fedora/3.0.10-1.fc12 Lightning/1.0b2pre Thunderbird/3.0.10

On 11/23/2010 08:00 AM, Elvis Dowson wrote:

I too would like to know what type of connectivity is used to
interface with the Overo. The fastest possible interface would
probably be using its GPMC controller to interface with the FPGA, but
on the Overo COMs not all the pins required are exposed, I think.

GPMC is used for all the high-speed interfacing, and all the pins we need are exposed on the Overo connectors.

The other options would be SPI or USB.

USB goes to our front panel for user access. SPI is used for loading the FPGA and other misc applications.


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