CONFIG_ARM=y CONFIG_SOC_SERIES_STM32L4X=y CONFIG_SOC_STM32L432XC=y CONFIG_CORTEX_M_SYSTICK=y # 80MHz system clock CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=80000000 # enable uart driver CONFIG_SERIAL=y # enable pinmux CONFIG_PINMUX=y # enable GPIO CONFIG_GPIO=y # clock configuration CONFIG_CLOCK_CONTROL=y # SYSCLK selection CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y # PLL configuration CONFIG_CLOCK_STM32_PLL_SRC_HSI=y # produce 80MHz clock at PLL output CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1 CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=20 CONFIG_CLOCK_STM32_PLL_P_DIVISOR=7 CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2 CONFIG_CLOCK_STM32_PLL_R_DIVISOR=4 CONFIG_CLOCK_STM32_AHB_PRESCALER=1 CONFIG_CLOCK_STM32_APB1_PRESCALER=1 CONFIG_CLOCK_STM32_APB2_PRESCALER=1 # console CONFIG_CONSOLE=y CONFIG_UART_CONSOLE=y #enable pwm CONFIG_PWM=y