Enum MCOW 

pub enum MCOW {
    NOMCO,
    HSI14,
    LSI,
    LSE,
    SYSCLK,
    HSI,
    HSE,
    PLL,
    HSI48,
}

Values that can be written to the field MCO

Variants

NOMCO

MCO output disabled, no clock on MCO

HSI14

Internal RC 14 MHz (HSI14) oscillator clock selected

LSI

Internal low speed (LSI) oscillator clock selected

LSE

External low speed (LSE) oscillator clock selected

SYSCLK

System clock selected

HSI

Internal RC 8 MHz (HSI) oscillator clock selected

HSE

External 4-32 MHz (HSE) oscillator clock selected

PLL

PLL clock selected (divided by 1 or 2, depending en PLLNODIV)

HSI48

Internal RC 48 MHz (HSI48) oscillator clock selected