Re: TI-H: *What is the clock speed of the 89?
[Prev][Next][Index][Thread]
Re: TI-H: *What is the clock speed of the 89?
This has probably been asked before, but is there any hope of overclocking
the 89?
Resistor
resistor@mac.com
on 8/28/00 12:58 AM, Olle Hedman at oh@hem.passagen.se wrote:
>
> cut from http://m101.ryd.student.liu.se/J89hw.txt :
>
> Oscillators
> -----------
> OSC1 speed (CPU and bus devices):
> HW1: ~10MHz (the exact figures? anyone?)
> HW2: ~12MHz (seems correct from 2.03 self test)
>
> OSC2 speed (LCD, timers and link):
> HW1: ~769.7kHz
> (6000[int/APD]/315.3[s/APD]*79[increase/int]*2^9[cycle/increase] =
> 769.7k[cycle/s])
> HW2: ~521.6kHz
> (6000[int/APD]/465.3[s/APD]*79[increase/int]*2^9[cycle/increase] =
> 521.6k[cycle/s])
>
>
> //Olle
>
Follow-Ups:
References: