@valon_hoti_gmail_com, yes STM32F407 support 168Mhz internal clock with 25Mhz quartz. APB1 and APB2 need to be /4 and /2 accordingly.
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@valon_hoti_gmail_com, yes STM32F407 support 168Mhz internal clock with 25Mhz quartz. APB1 and APB2 need to be /4 and /2 accordingly.