https://community.nxp.com/t5/S32K/Mcu-Reset-Reason-query/m-p/2053602#M46326 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/220720">@CaoRq</a>&nbsp;</P> <P>That's desired behavior. Here's the reason:</P> <DIV id="tinyMceEditorlukaszadrapa_0" class="mceNonEditable lia-copypaste-placeholder">&nbsp;</DIV> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 868px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/326227iA1AD763372287B5B/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 864px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/326228i4D99C6CF9896F49E/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></P> <P>If the flags are not cleared, you wouldn't be able to get the most recent source of reset next time. Only power-on reset clears the flag, so the flags would cumulate in the registers after "non-power-on" resets and it would not be possible to recognize which flag was set as the last one. </P> <P>Solution - read the reset reason by&nbsp;Mcu_GetResetReason and store it in own variable for next use. </P> <P>Regards,</P> <P>Lukas</P> <P>&nbsp;</P> Fri, 28 Feb 2025 08:07:50 GMT lukaszadrapa 2025-02-28T08:07:50Z https://community.nxp.com/t5/S32K/Mcu-Reset-Reason-query/m-p/2053390#M46318 <P>Hi ,NXP</P><P>&nbsp; &nbsp; &nbsp;I am using S32K3 chip now，but&nbsp; I am facing a problem</P><P>&nbsp; &nbsp; Boot and App both use the function Mcu_GetResetReason，but the function will clear the reset Reason in it's first call. So when Boot jump to App ,App cannot get the reset reason .</P><P>&nbsp; &nbsp; Can you tell me how to solve it</P><P>&nbsp; &nbsp; Thank you in advance</P> Fri, 28 Feb 2025 02:19:50 GMT https://community.nxp.com/t5/S32K/Mcu-Reset-Reason-query/m-p/2053390#M46318 CaoRq 2025-02-28T02:19:50Z https://community.nxp.com/t5/S32K/Mcu-Reset-Reason-query/m-p/2053602#M46326 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/220720">@CaoRq</a>&nbsp;</P> <P>That's desired behavior. Here's the reason:</P> <DIV id="tinyMceEditorlukaszadrapa_0" class="mceNonEditable lia-copypaste-placeholder">&nbsp;</DIV> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 868px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/326227iA1AD763372287B5B/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 864px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/326228i4D99C6CF9896F49E/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></P> <P>If the flags are not cleared, you wouldn't be able to get the most recent source of reset next time. Only power-on reset clears the flag, so the flags would cumulate in the registers after "non-power-on" resets and it would not be possible to recognize which flag was set as the last one. </P> <P>Solution - read the reset reason by&nbsp;Mcu_GetResetReason and store it in own variable for next use. </P> <P>Regards,</P> <P>Lukas</P> <P>&nbsp;</P> Fri, 28 Feb 2025 08:07:50 GMT https://community.nxp.com/t5/S32K/Mcu-Reset-Reason-query/m-p/2053602#M46326 lukaszadrapa 2025-02-28T08:07:50Z