Gee Whizzers, Batman! this is a freakin' CELLPHONE processor?
Michael O'Dell
mo at ccr.org
Sun Aug 31 09:36:11 CDT 2008
there are some prototyping boards available for the part
with it already mounted. these are for supporting people
building cellphones with the part (it's intended purpose).
there is a Linux port that runs on the ARM and has stuff
for talking to the rest of the beast. i believe it's
an early target for Android (the GoogleFon code).
i'm not suggesting it's an ideal home-brewing part,
but it indicative of what's coming. coupled with
agile RF, an SDR-based handheld with color 3D waterfall
and Panadator displays is technically possible now.
from 2m-5GHz all modes, analog and digital, currently known
and as yet unknown.
"The best way to tell the future is to invent it."
-- Alan Kay, inventor of Smalltalk and the personal computer
-mo
PS - if you haven't played with SQUEAK, you owe it to yourself to
download the system and have a poke. www.squeak.org
Frank Gentges wrote:
> Tacoistas,
>
> Wholly Crap, this thing is way overkill for a simple SDR. It is more
> like an SDR (xmit and receive) plus an entire terminal function with 3D
> video cameras, 3D displays, mikes, USB ad nausium/ad vomitus. And all
> on one little chip.
>
> You will need a large staff of computer engineers to sort out your new
> product and all the embedded processors. The Silicon Errata shows how
> these very complex multiprocessor chips will not interact in as friendly
> a way as the preliminary data sheet might imply. If you are working
> with this fine chip you will really really want this Silicon Errata as
> well as building your own library of otherwise undocumented things that
> don't work quite as you might expect. Think of the man-hours you will
> invest just in staff meetings devoted to discovering how the different
> parts really interact.
>
> This fine chip is only available in ball grid array packages. There is
> no wire wrapping a prototype with this puppy. Neither can you just sweat
> solder down a few rows of gull wing lead either. If you thought surface
> mount took special stuff and skills, the ball grid array takes assembly
> equipment and skills to a whole new level of frustration. A high
> resolution Xray viewer will find those errant solder balls as well as
> missing solder balls hidden underneath the chip that are keeping it all
> from working.
>
> If I send TI a check for $58 I will get back not only one, but if I act
> now, 10, no, no but wait, if I act really quick, 100 of these fine
> chips. Operators are standing by. Wow! You can get a monster sized
> headache for only 58 cents apiece. I suspect the development kit is way
> beyond the 58 cent chip price. That developement board/kit could be a
> hoot if I could only figure it all out.
>
> I am almost tempted to send off a check so I can pass out these chips at
> tacos to challenge everyone to build a multifunction radio. I wonder if
> they take PayPal?
>
> Now back to my old SDR-IQ and my Hallicrafters SX-16.
>
> Frank K0BRA
>
>
>
> Michael O'Dell wrote:
>> the new TI OMAP 3530
>>
>> for $58 quantity 100 you get
>>
>> http://focus.ti.com/docs/prod/folders/print/omap3530.html
>>
>> an Arm Cortex-A8 superscalar ARM with MMU, SIMD, and Jazelle
>> running at 600MHz and addressing a gigabyte of SDRAM
>> and lots of support for NAND and NOR flash and mem cards
>>
>> an "image and video processor block" containing one C64x+ VLIW DSP
>> for video compression and decompression
>>
>> another free-standing C64x+ VLIW DSP for doing baseband processing
>> (this puppy is a rip-snorter, too, with 8 functional units -
>> six serious ALU blocks and two multipliers)
>>
>> a 3D graphics processor good for 10 million polygons/sec
>> with both edge and vertex shaders - this version can generate 720p video
>> two LCD panel interfaces
>>
>> USB 2.0 host and client
>>
>> and enough assorted high-function glue logic to nail on
>> almost anything you can imagine
>>
>> sooooooo - wow. I guess this is the Android springhead, huh.
>> seems like an interesting choice for an SDR project.
>>
>> -mo
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