[hpsdr] SHARC samples

[KD5NWA]

Looks like one heck of a nice part but I have one big question.

ROM from the factory! How the heck to get it to run your software 
without ordering 10K units? Is there a flash version? It seems like 
it is a production part not a part for small projects.

At 07:27 AM 6/14/2006, Leon Heller wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>My SHARC samples have just materialised. They took several weeks, probably
>because it's a new device - ADSP-21262 - and it's lead-free. I'll have to
>get the GNU tools made available by ADI working before I can really use
>them, although I could hand-assemble some simple test programs like I used
>to do in the good old days when development tools were very expensive and
>there weren't any alternatives. I can get 60 days out of the the Visual DSP
>evaluation toolset, anyway.
>
>Data sheet is here:
><
>http://www.analog.com/UploadedFiles/Data_Sheets/462724356ADSP_21262_b.pdf
> >
>
>The ADSP-21262 is the first of a new range of low-cost third-generation DSPs
>intended for low-cost audio use, and has two 32-bit ALUs (integer and FP)
>using a SIMD architecture. There is 2 Mbit on-chip RAM and 4 Mbit ROM. I'll
>ask one of my contacts at ADI UK if they've put anything in the ROM of the
>chips I've got.
>
>BTW, these are in 144 lead LQFP. BGA is available for those who like that
>sort of thing. Lead pitch is 0.5 mm, which I can manage quite well at home.
>I've come up with a simple technique for prototyping with this type of
>device, using a double-sided PCB with a continuous ground plane on the top.
>
>73, Leon
>--
>Leon Heller, G1HSM
>leon.heller at bulldoghome.com
>http://www.geocities.com/leon_heller
>
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Cecil Bayona
KD5NWA
www.qrpradio.com

"Windows, the most successful software virus ever" Don Seglio Batuna 



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