[sdiy] oscillator auto calibration

[Richard Wentk]

On 8 May 2007, at 14:43, Colin f wrote:

>
>> The serial EEPROM is a 4K X 16bits so it gives
>> 32 steps between each semitones.
>> 32steps X 12semitones X 8octaves = 3072 words (16bits)
>
> Why do you need a lookup for each octave ?
> Just multiply or divide the table for one octave by factors of two.
> You may not even need to do that if the timer has a suitable  
> prescaler.

Perfect linearity isn't a given.

Richard