SRC=rosc_clksrc_ph, AUXSRC=clksrc_pll_usb
Clock control, can be changed on-the-fly (except for auxsrc)
| SRC | Selects the clock source glitchlessly, can be changed on-the-fly 0 (rosc_clksrc_ph): undefined 1 (clksrc_clk_ref_aux): undefined 2 (xosc_clksrc): undefined 3 (lposc_clksrc): undefined |
| AUXSRC | Selects the auxiliary clock source, will glitch when switching 0 (clksrc_pll_usb): undefined 1 (clksrc_gpin0): undefined 2 (clksrc_gpin1): undefined 3 (clksrc_pll_usb_primary_ref_opcg): undefined |