pub type MCOSEL_W<'a, const O: u8> = FieldWriter<'a, u32, CFGR_SPEC, u8, MCOSEL_A, 4, O>;
Field MCOSEL writer - Microcontroller clock output
MCOSEL
MCO output disabled, no clock on MCO
SYSCLK system clock selected
MSI clock selected
HSI clock selected
HSE clock selected
Main PLL clock selected
LSI clock selected
LSE clock selected
Internal HSI48 clock selected