Hi Maxime,
It's not really clear to me how that would help. The closest frequency we can provide for 24.576MHz would be 24580645 Hz, with N = 127, M = 31 and P = 4, so it would work with what we have already?
As far as I'm aware the multiplier N ranges from 0 to 128 (offset of 1 from 0 to 127). Thus 24MHz * 128 / 25 / 5 = 24.576MHz. Since this requires the postdiv to be set to 5 it is not supported yet.
Cheers, Tobias