Re: LZ: A watch?
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On Tue, 22 Oct 1996 21:33:22 -0500 finkel@mysurf.com (God) writes:
>>> Isn't the speed of the Z80 processor dependent on battery level?
>If so,
>>> how can you make an accurate clock? Or is the difference in speed
>>> negligible?
>>
>>That is exactly the problem. Someone proposed the idea that on a
>>turboed calc, this is not the case because the RC circuit is no
>>longer used. If this is the case, then a turboed calc could run a
>>stopwatch program. But a non-turbo calc will need to be recalibrated
>
>>very often because as the battery level goes down, the calc will slow
>
>>down, including the interrupts (I think).
>>
>>Ben
>>shakal@ns.net
>My question would be this: a TI turns off after 5 mins of inactivity
right?
>Well how is that regulated? by the battery level or by a 5 min timer
that
>chek every five min if a key was pressed. And is it possible to access
that
>timer if it exists?
>---
>Da MaGe
It may just turn off after 5 minutes on a freshly charged battery (and
longer on older batteries), since TI might not have taken battery level
into account when they put in that feature.
-|/|/esley McGrew
wesleymcgrew@juno.com
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