//go:build stm32f4 && stm32f469 package machine func CPUFrequency() uint32 { return 180000000 } // Internal use: configured speed of the APB1 and APB2 timers, this should be kept // in sync with any changes to runtime package which configures the oscillators // and clock frequencies const APB1_TIM_FREQ = 45000000 * 2 const APB2_TIM_FREQ = 90000000 * 2