[sdiy] Avr32???

[Olivier Gillet]

This guy rolled his own AVR32 devboard presumably for synth applications:
http://tolaemon.com/scoreb/

No code/demo beyond the basic drivers, though...

On Fri, Feb 24, 2012 at 9:11 PM, Eric Brombaugh <ebrombaugh1 at cox.net> wrote:
> I remember looking at these a few years back and being somewhat underwhelmed
> at the time. It looks like there have been some additions and improvements
> in the product line since I last checked though. There have been a few DIY
> projects published on the web that are based on these parts but overall they
> don't seem to get much attention.
>
> The DSP capabilities are reasonably useful, but not up to the standards of a
> true DSP with zero-overhead looping and parallel operand prefetching so
> filtering operations will suffer in comparison to devices like the dsPIC,
> 56k and TMS320.
>
> Feature-wise they have a good selection of peripherals and packages. The
> UC3C variants have an FPU which could come in handy, but the smallest
> package for those is 64-pin and you really have to go to the 144-pin parts
> to get the most from the I/O and those are expensive. UC3B parts have
> smaller packages and lower prices but also lack peripherals (I2S & 12-bit
> ADCs) that would be useful for audio. Interrupt architecture looks pretty
> good and goodness but they've got a lot of shadow registers for fast context
> switches.
>
> Max clock speed is 66MHz which doesn't compare favorably with some of the
> common ARM products out there, and Flash memory access requires wait states
> at speeds above 33MHz (something that's fairly common in ARM parts too), so
> I don't quite see where the "much faster" comparison comes from.
>
> Atmel AVR devtools are well regarded and free as well, so that's a big
> advantage.
>
> Pricing looks a bit on the high side compared to some of the newer ARM
> Cortex M stuff that's coming on line lately.
>
> Definitely worth consideration, but by no means a slam-dunk win over other
> architectures.
>
> Eric
>
>
> On 02/24/2012 12:07 PM, James Patchell wrote:
>>
>> I have very minimal experience. I bought an eval board a few years ago,
>> and played with it. It is a very powerful little processor. The hardware
>> looks similar to the ARM, but it is much faster, or so it would seem
>> from reading Atmel Lit. I have been itching to do something with one of
>> these myself.
>>
>> Best thing about it, it has a very nice set of GNU tools that are FREE!
>>
>> -Jim
>>
>> On 2/24/2012 6:19 AM, Dan Snazelle wrote:
>>>
>>> Anyone here have experience using these for synth applications?
>>>
>>> I was reading that it has dsp features.
>>> Looked interesting.
>
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