Expand description
Field MCO
writer - Microcontroller clock output
MCO output disabled, no clock on MCO
Internal low speed (LSI) oscillator clock selected
External low speed (LSE) oscillator clock selected
Internal RC 8 MHz (HSI) oscillator clock selected
External 4-32 MHz (HSE) oscillator clock selected
PLL clock selected (divided by 1 or 2, depending en PLLNODIV)