Re: [Discuss-gnuradio] [USRP-users] what is the largest data transfer rate between fpga and overo in e100

[Marcus D. Leech]

> There is a mictor connector (J301 on both USRP2 and N2x0) that has 32 
> signal and 2 clock pins all free to be used in the FPGA. Searching for 
> "mictor" in the archive of this forum will find other posts about this.
>
> However I do want to drive home the point  that you are unlikely to 
> find an ARM processor currently that is capable of doing anything 
> useful directly with RF data at bandwidths greater than which the E100 
> is capable or indeed one with a flexible physical interface that can 
> support 60MB/s....you're clearly in the realm of high-end DSP 
> processors at those rates.
Well, keep in mind that if the goal is really 60MB/s, rather than 
60Msps, that's only about a factor of 5 beyond what an ARM can resonably
  do for lightweight processing.




--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org