[sdiy] Top Octave Generator (was Chinese MG-1s??!?)

[Byron G. Jacquot]

>Don't you think you could get 12 square-wave NCOs into a single dsPIC33F 
>running at the full 40MHz clock rate? It might be a little tight, but I 
>bet you could do it. You might sacrifice a little frequency resolution 
>by running them on only 16-bit phase accumulators to speed things up a 
>tad, but it probably wouldn't be any worse than the 9-bit divisors 
>mentioned earlier.

Since I'm working with this sort of hardware a lot at the moment, I start to wonder if there might be some hardware-assist tricks possible to make a cheap micro do a TOG.  Specifically, some PWM hardware.  Is there a small micro with 12 channels of PWM onboard?

Byron Jacquot