| To: | |
|---|---|
| Subject: | Re: [ts-7000] time at power on |
| From: | Markus Peuhkuri <> |
| Date: | Tue, 07 Mar 2006 14:01:02 +0200 |
Jim Jackson wrote:
> You are right to warn of this. My environment has a fairly constant temp.
> and I have custom tuned the Linux system clock (see adjtimex) for my
Basicly, if you know board temperature, you can use adjtimex to change
virtual frequency. As the XDIO (BTW link on TS-7260 page is broken)
can have up to 7 MHz input signal for counter, one could feed 10 MHz
clock with f/2 divider (5 MHz) and by changing temperature one could
estimate temperature coefficient for crystal.
Of course, one could look for datasheet of crystal, but that is too easy
:-).
Markus | <>
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