Solved
Typo in STM32F405xx STM32F407xx datasheet
In STM32F405xx STM32F407xx datasheet On page 19/203, there are typos in APB2 and APB1 frequencies.

In STM32F405xx STM32F407xx datasheet On page 19/203, there are typos in APB2 and APB1 frequencies.

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