[time-nuts] Why these Crystal Frequencies?
brooke at pacific.net
Wed Dec 14 22:54:11 EST 2011
Thanks, I had 14.7456 mis listed (off one row) as the 4X CB freq. I've updated the table.
> 14.31818 is 4x the analog color burst (~3.58)
> 18.432 divides cleanly for baud rates. I've used it as a PIC clock for that. I think some of the others may be too,
> but I didn't recognize or do the math to see.
> On 12/14/2011 7:13 PM, Brooke Clarke wrote:
>> Hi Pete:
>> Maybe you can shed some light on the common xtal frequencies table where there's no explanation given?
>> An answer is not it's an "even" frequency or "it's an even binary frequency. That's true for most of these and the
>> factors are part of the table above.
>> The question is why do they exist?
>> such as:
>> 32.0 kHz
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