SEL=IRC_THE_USB_PLL_CLO
USB PLL clock source select
SEL | USB PLL clock source 0 (IRC_THE_USB_PLL_CLO): IRC. The USB PLL clock source must be switched to system oscillator for correct USB operation. 1 (SYSTEM_OSCILLATOR): System oscillator 2 (RESERVED): Reserved 3 (RESERVED): Reserved |
RESERVED | Reserved |