Linux and PIC development

Peter L. Peres plp-ysDPMY98cNQDDBjDh4tngg at public.gmane.org
Tue Jan 6 22:57:28 UTC 2004


On Mon, 5 Jan 2004, Peter Hiscocks wrote:

> I haven't done a systematic comparison, but I believe that the Atmel micros
> crank along at a somewhat higher rate. There was a DDS (direct-digital
> synthesizer) based on one of them that was totally software based and could
> generate up to something like 100kHz waveforms.
>
> The acid test for speed is whether the device can generate a composite video
> waveform in real time without hardware assist.

The scenix chips (pic compatible) will do that. Clock up to 50MHz, one
instruction per clock cycle. Code can be ported with little changes
between them.

The Atmel I had in mind was the MCS51 core, not AVR. You are right, the
AVRs are faster.

Peter
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