At 21:08 -0400 12-08-2010, Bob Paddock wrote:
On Thu, Aug 12, 2010 at 6:45 PM, J.D. Bakker <[email protected]> wrote:
> To start with the context: I'm planning to use a microcontroller with a
> built-in dual 12-bit 2MSPS ADC.
That sounds like it is an Atmel XMega part. Do make sure you read the data
sheet errata section, as some parts in the XMega Ax line have nasty A/D
problems.
Well spotted. I do know about the ... idiosyncrasies of some of the
silicon revisions. I'm not yet dead-set on the XMega; the ADuC is
still a contender too, but those come in harder-to-solder packages. I
know the AVR line well from my day job, and its timer/counters with
timestamping of external inputs are very handy for incoming PPS
acquisition, PWM generation for the CV DAC and PPS synthesis. But
nothing's set in stone yet.
Thanks,
JDB.
--
In protocol design, perfection has been reached not when there is
nothing left to add, but when there is nothing left to take away.
-- RFC 1925, "Fundamental Truths of Networking"
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