[sdiy] MiniWave EPROMs

Louis van Dompselaar louis at dompselaar.org
Fri Apr 6 21:08:54 CEST 2007


How do the Blacet tables compare to the Digisound ones?

Or more specically, would it be possible to adapt this PCB for
my Ken Stone wavetable (which is the Digisound one).

> Since the conversion time of the ADC0820 in the unit is 2.5us the EPROM
> can be pretty darn slow and not make a difference.  I'd suggest going
> with a FLASH part so you don't have to wait around for the EPROM to
> erase.  A 29F512 is the same price as a 27C512 at most places.
>
> Of course you can also cram a 4mbit part in there too with a little bit
> of work:
>
> 	http://www.retrosynth.com/gear/minirom/
>
> 'cause every miniwave needs the full PPG wavetables with 32 banks of 64
> waves each. :)
>
> -Cary




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