S32K148 BusFault escalated to hard fault issue

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S32K148 BusFault escalated to hard fault issue

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linton
Contributor II

Hi 

when I change the LPUART config from 1M  to 2M  that cause the bus fault as below:

linton_0-1718088992718.png

 

I have the enable 2 LPSPI  and 1 LPUART peripheral,  when I disable the 2 LPSPI or change the UART baudrate lower than 1M, this issue can be fixed. I want to know what cause this issue. How can I find the BusFault location 0x805FFE55??   I want to find the root cause. Thanks

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