[Noisebridge-discuss] [dorkbotsf-blabber] MCU > 80MHz, low pincount, power saving?

Taylor Alexander tlalexander at gmail.com
Fri Nov 11 16:33:58 PST 2011


I'm partial to the Atmel SAM3 line.

The SAM3S16C meets some of your requirements, and they're excellent chips:
http://www.atmel.com/dyn/products/product_card.asp?category_id=163&family_id=605&subfamily_id=2127&part_id=17334

Bonus is that if you're used to AVR datasheets, the SAM3 datasheets are
similar (just, you know, over 1000 pages).

-Taylor


On Fri, Nov 11, 2011 at 3:42 PM, Andy Isaacson <adi at hexapodia.org> wrote:

> On Fri, Nov 11, 2011 at 03:28:10PM -0800, Joe Grand wrote:
> > Check out Parallax's Propeller. May be too expensive depending on what
> you're doing, but it meets the specs (except DMA):
> >
> > http://www.parallax.com/propeller/
> >
> > I used one in my Laser Range Finder
> > (http://www.grandideastudio.com/portfolio/laser-range-finder/)  It was
> > a bit of a learning curve, but ultimately very powerful and cool.
>
> @scanlime also used a Propeller for a similar scale project:
> http://scanlime.org/2011/04/spdif-digital-audio-on-a-microcontroller/
>
> Not too much there about the GPIOs, but I found the discussion of system
> architecture for high speed IO very enlightening.
>
> -andy
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