How to achieve maximum system clock (168MHz) in stm32f446zet
Posted on August 18, 2017 at 06:47RCC->APB1ENR |= (1<<28);PWR->CR |= (PWR_CR_VOS); RCC->CR |= (1<<0);RCC->CR |= (RCC_CR_HSICAL_4); // Internal high-speed clock calibrationRCC->CFGR |= RCC_CFGR_SW_HSI; ...