触发MCU HSE SWT RST RESET复位

[hemenghao]

 APP看门狗复位之后 进入boot，boot运行过程中复位，查复位源发现是MCU_HSE_SWT_RST_RESET，SDK里面对这个复位源的注释是 HSE Boot Failure Error。这个问题可能是什么原因导致的？

[Robin_Shen]

Hi 

请问你使用的S32K3是哪个型号？ 是否有修改过时钟配置？建议使用参考手册S32K3xx MCU Family - Reference Manual 里24.7.2 Clocking use case examples章节推荐的时钟配置试一下。

Best Regards,
Robin
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