New Atmel SAM3S Cortex-M3 Microcontrollers - claim to be lowest-power Cortex-M3 Microcontrollers (so far?)

On Dec 18, 5:12 pm, Ulf Samuelsson <u...@a-t-m-e-l.com> wrote:
> Bill Giovino skrev 2009-12-17 02:11:
>
>
>
> >http://www.microcontroller.com/news/Atmel_SAM3S.asp
>
> > The Atmel SAM3S is really (really!) a fully-featured microcontroller. Lots of serial
> > peripherals, and very significant power savings.
>
> > This might be the lowest-power Cortex-M3 yet (I haven't seen the specs on ALL of them!).
>
> > Article includes a block diagram and a waveform of the noise reduction possible with
> > Atmel's On-Die Termination (ODT).
>
> > - Bill Giovino
> >     Executive Editor
> >    http://Microcontroller.com
>
> You can run the controller down to 1.8V +/- 10%.
> Nice for battery operated equipment.
>
> Pin compatible with the SAM7S ARM7TDMI chips, so it is easy to switch.
> As far as I know, the SAM7S chips will still be sold for the forseeable
> future
> so no need to switch if you do not want to do that just to gain that
> extra edge.

When you say "pin compatible", the SAM7 parts are 5 volt compatible,
right?  The SAM3 parts are not if I am reading it right.  That is a
far cry from "pin compatible" for any design that interfaces to 5 volt
logic.

Rick