[sdiy] My new ESQ-1

[Rainer Buchty]

>> Each oscillator is basically a 24-bit phase accu with 16-bit
>> incrementum plus some bit-shifting / bit-stencil circuitry for proper
>> wave address selection. I doubt, that a single AVR is able to supply
>> more than the 3 required oscillators per voice with the required ~38kHz
>> (8MHz/(8*(24+2))) update rate per osc.
>
>ermm, try 16Mhz :-)

Ah, the formula was based on the ESQ1 timing: 8MHz DOC input clock, 8
cycles per "oscillator slot" with 24 active oscillators (8 voices*3
oscs) plus 2 extra slots for DRAM refresh (which can't be switched off,
even if unneeded). 

Rainer