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Fail to find a clock

IP.2
Associate II

Hello there,

I’m trying to squeeze functionality into an STM32U5 MCU via the STM32CubeMX tool.

After setting the pins, the clock configuration fails to find a solution.

The requirements for the clock are to run from an internal source, as the design is cost-sensitive

and run the system clock as close as possible to the maximum possible clock, which is 160MHz.

I tried a few system clock values, but STM32CubeMX always failed, also, STM32CubeMX does not provide a direction or an alternative solution (e.g. Here is an alternative solution but it runs only at a system clock of  XXX MHz).

I’d like to emphasise that each such clock configuration search is very long (more than an hour on a strong computer), but eventually always fails.

 

What would be the best way to move forward?

1 REPLY 1
STTwo-32
ST Employee

Hello @IP.2 could you share your .ioc file and give more description about your issue (with screenshots if possible).

Best Regards.

STTwo-32 

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