https://community.nxp.com/t5/S32K/Recover-from-Fatal-error-reading-CPU-status/m-p/1811125#M31816 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/178031">@Hozumi</a>,</P> <P>Unfortunately, I am not familiarized with the IAR environment, but the probable cause for this error is that the security register was flashed with all values in F, which means the Flash Security register was set to 11b: <STRONG>MCU Security status is secure.</STRONG></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Julin_AragnM_0-1708364736580.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/263830iE07E04BEC3F965C7/image-size/medium?v=v2&amp;px=400" role="button" title="Julin_AragnM_0-1708364736580.png" alt="Julin_AragnM_0-1708364736580.png" /></span></P> <P>Please try to mass erase unlock the device, and uncheck any secure chip option as shown in this other community:&nbsp;<A href="https://blog.csdn.net/nianzhu2937/article/details/99649260" target="_blank">Solved: IAR appears do you want to perform mass erase to unlock the device?_iar do you want to perform mass erase to unlock th-CSDN blog</A></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Julin_AragnM_4-1708364864056.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/263831iABA7092BCEE6AE42/image-size/medium?v=v2&amp;px=400" role="button" title="Julin_AragnM_4-1708364864056.png" alt="Julin_AragnM_4-1708364864056.png" /></span></P> <P>Best regards,<BR />Julián</P> Mon, 19 Feb 2024 17:48:14 GMT Julián_AragónM 2024-02-19T17:48:14Z https://community.nxp.com/t5/S32K/Recover-from-Fatal-error-reading-CPU-status/m-p/1810871#M31802 <P>I'm trying to debug a S32K144 with IAR I-Jet, and first error1.png appears, then error2.png.<BR />Is there any way to recover from this state?</P><P>error1 is "Do you want to perform mass erase to unlock the device"</P><P>After press "Yes", error2 will appear.<BR />error2 is "Fatal error: Reading CPU status failed"</P> Mon, 19 Feb 2024 12:07:44 GMT https://community.nxp.com/t5/S32K/Recover-from-Fatal-error-reading-CPU-status/m-p/1810871#M31802 Hozumi 2024-02-19T12:07:44Z https://community.nxp.com/t5/S32K/Recover-from-Fatal-error-reading-CPU-status/m-p/1811125#M31816 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/178031">@Hozumi</a>,</P> <P>Unfortunately, I am not familiarized with the IAR environment, but the probable cause for this error is that the security register was flashed with all values in F, which means the Flash Security register was set to 11b: <STRONG>MCU Security status is secure.</STRONG></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Julin_AragnM_0-1708364736580.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/263830iE07E04BEC3F965C7/image-size/medium?v=v2&amp;px=400" role="button" title="Julin_AragnM_0-1708364736580.png" alt="Julin_AragnM_0-1708364736580.png" /></span></P> <P>Please try to mass erase unlock the device, and uncheck any secure chip option as shown in this other community:&nbsp;<A href="https://blog.csdn.net/nianzhu2937/article/details/99649260" target="_blank">Solved: IAR appears do you want to perform mass erase to unlock the device?_iar do you want to perform mass erase to unlock th-CSDN blog</A></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Julin_AragnM_4-1708364864056.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/263831iABA7092BCEE6AE42/image-size/medium?v=v2&amp;px=400" role="button" title="Julin_AragnM_4-1708364864056.png" alt="Julin_AragnM_4-1708364864056.png" /></span></P> <P>Best regards,<BR />Julián</P> Mon, 19 Feb 2024 17:48:14 GMT https://community.nxp.com/t5/S32K/Recover-from-Fatal-error-reading-CPU-status/m-p/1811125#M31816 Julián_AragónM 2024-02-19T17:48:14Z