[time-nuts] Where does the Z3801A 1 PPS come from?
phk at phk.freebsd.dk
Mon Mar 14 08:24:55 EST 2005
In message <42358EEC.4090204 at febo.com>, John Ackermann N8UR writes:
>That's sure what I would have thought -- unless the CPU is being clocked
>from the OCXO and thus is effectively transferring its stability to the
>1pps (sort of like your PIC divider). But I suspect it would be hard
>for a CPU doing several tasks to maintain the cycle timing of a
Many CPU chips for the embedded environment have strong timer hardware
that makes such a task trivial.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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