Electronics > Beginners

ASM to Arduino

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cncjerry:
I recently built a half dozen of the PICDIV chips.  I also duplicated the front end from the TAPR TADD-2 to drive them.  You can probably get away without the input transformer but I had them so I used them. The PICDIVs are the way to go as they only have a few ps of jitter.  The PIC, I think it is a 12F675? , can't remember, but they are cheap.  I bought a tube of them, programmed a bunch of different versions, and have a socket to emplace them when needed.  I programed them with a PICIT III, I think it is called, it is the red version, and it takes about a minute.

I'd have to look at Ulrich's code but I know he is a time nut so I'm sure the ADEV variance using the Arduino project vs the PICDIV would be low if even measureable.  But when you conside how cheap the PICs are and how well the PICDIVs work, I recommend you try some of them as well.

Jerry

iMo:
Under normal conditions the only measurable jitter you may get could be caused by noisy Vcc only, imho.

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