# Zephyr Kernel Configuration CONFIG_ARM=y CONFIG_SOC_SERIES_STM32F3X=y # Platform Configuration CONFIG_SOC_STM32F373XC=y CONFIG_BOARD_STM32373C_EVAL=y # ARM Options CONFIG_CPU_HAS_FPU=y # Floating Point Options CONFIG_FLOAT=y # General Kernel Options CONFIG_CORTEX_M_SYSTICK=y CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000 # Serial Drivers CONFIG_SERIAL=y CONFIG_UART_INTERRUPT_DRIVEN=y # enable console CONFIG_CONSOLE=y CONFIG_UART_CONSOLE=y # Pinmux Driver CONFIG_PINMUX=y # GPIO Controller CONFIG_GPIO=y # Clock configuration CONFIG_CLOCK_CONTROL=y # SYSCLK selection CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y # HSE configuration CONFIG_CLOCK_STM32_HSE_CLOCK=8000000 # PLL configuration CONFIG_CLOCK_STM32_PLL_SRC_HSE=y # produce 72MHz clock at PLL output CONFIG_CLOCK_STM32_PLL_PREDIV=1 CONFIG_CLOCK_STM32_PLL_MULTIPLIER=9 CONFIG_CLOCK_STM32_AHB_PRESCALER=1 CONFIG_CLOCK_STM32_APB1_PRESCALER=2 CONFIG_CLOCK_STM32_APB2_PRESCALER=2