Resolved! RM0090 rev.13 (STM32F4xx) - ch.7.3.15 is there by mistake
Posted on February 06, 2017 at 11:14RM0090 rev.13, 7.3.15 RCC APB2 peripheral clock enable register(RCC_APB2ENR), should be removed entirely - while ch.7 is for the '40x/41x, this subchapter contains RCC_APB2ENR for the '42x/'43x. Note, that there ...