[sdiy] STM32 processor

[Colin f]

> Has anybody tried to benchmark those (esp. the 72 MHz parts) 
> against dsPICs for audio generation or audio effects? I'm 
> curious to know whether 40 Mhz clock + 16 bits instruction 
> set with DSP features can beat 72 Mhz clock (with wait states 
> from the flash) + generic 32 bits instruction set.

If wait states are hurting you, just copy the critical code into SRAM.
I haven't tried them, but I believe the Cortex M4 core adds DSP-like
instructions - MAC, etc.

Cheers,
Colin f