[A83] Re: Delays and grayscales
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[A83] Re: Delays and grayscales
>At 16:48 2001-10-02, you wrote:
> >Wow.. that's some interesting stuff. So you are saying that the speed of
> >the z80 is dependent of the battery status? That sounds very strange.
> >Say that the Z80 is running at 6MHz (6mil cycles per sec.), then with
> >bad batteries you would only get like 4MHz? Isn't there a clock
> >generator that makes sure that the CPU exectues exactly those 6 mil
> >cycles per second?
>
>The clock circuit is a very simple one, called an RC-oscillator. It is
>(extarnal of the cpu chip) just one resistor and one capacitor, and the
>values of these defines the speed.
>This setup is as said, dependant on voltage level, and also temperature.
>That is right, in cold weather, the calc will run at a different speed then
>in warm, with the same batteries...
So which one is the faster one??
>
>///Olle
>
>
>
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