https://community.nxp.com/t5/S32K/Flash-driver-into-HardFault-Handler/m-p/2137388#M51136 <P>Hi ALL,</P><P>The MCUs I'm using are the S32K312, as well as the S32DS3.6 and RTD500.Then I have a very strange problem now. When I burn the program to 0x00460000, HardFault_Handler() appears in my writes to Flash, but when I burn the program to 0x00580000 it successfully writes to Flash.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_0-1753095749749.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348526iFC4EA586A4231939/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_0-1753095749749.png" alt="ChowZJ_0-1753095749749.png" /></span></P><P>And of course I put the relevant functions into ram. And also used a function to disable interrupts before writing to flash.</P><P>#define DISABLE_GLOBAL_INT() __asm__ __volatile__(" cpsid i")<BR />#define ENABLE_GLOBAL_INT() __asm__ __volatile__(" cpsie i")</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_1-1753095832200.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348531i71CA2F24CCDFBDF0/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_1-1753095832200.png" alt="ChowZJ_1-1753095832200.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_2-1753095843614.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348532i3B66F56B1B7E83A5/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_2-1753095843614.png" alt="ChowZJ_2-1753095843614.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_3-1753095853561.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348533i069E0746D0EB6501/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_3-1753095853561.png" alt="ChowZJ_3-1753095853561.png" /></span></P><P>&nbsp;</P> Mon, 21 Jul 2025 11:06:08 GMT ChowZJ 2025-07-21T11:06:08Z https://community.nxp.com/t5/S32K/Flash-driver-into-HardFault-Handler/m-p/2137388#M51136 <P>Hi ALL,</P><P>The MCUs I'm using are the S32K312, as well as the S32DS3.6 and RTD500.Then I have a very strange problem now. When I burn the program to 0x00460000, HardFault_Handler() appears in my writes to Flash, but when I burn the program to 0x00580000 it successfully writes to Flash.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_0-1753095749749.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348526iFC4EA586A4231939/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_0-1753095749749.png" alt="ChowZJ_0-1753095749749.png" /></span></P><P>And of course I put the relevant functions into ram. And also used a function to disable interrupts before writing to flash.</P><P>#define DISABLE_GLOBAL_INT() __asm__ __volatile__(" cpsid i")<BR />#define ENABLE_GLOBAL_INT() __asm__ __volatile__(" cpsie i")</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_1-1753095832200.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348531i71CA2F24CCDFBDF0/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_1-1753095832200.png" alt="ChowZJ_1-1753095832200.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_2-1753095843614.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348532i3B66F56B1B7E83A5/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_2-1753095843614.png" alt="ChowZJ_2-1753095843614.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChowZJ_3-1753095853561.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/348533i069E0746D0EB6501/image-size/medium?v=v2&amp;px=400" role="button" title="ChowZJ_3-1753095853561.png" alt="ChowZJ_3-1753095853561.png" /></span></P><P>&nbsp;</P> Mon, 21 Jul 2025 11:06:08 GMT https://community.nxp.com/t5/S32K/Flash-driver-into-HardFault-Handler/m-p/2137388#M51136 ChowZJ 2025-07-21T11:06:08Z https://community.nxp.com/t5/S32K/Flash-driver-into-HardFault-Handler/m-p/2138679#M51212 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/251700">@ChowZJ</a>&nbsp;</P> <P>Please take a look at the recommendations in the thread: <A href="https://community.nxp.com/t5/S32K-Knowledge-Base/RTD400HF01-LLD-K312-No-HSE-secure-debug-operation/ta-p/2030149" target="_blank" rel="noopener">[RTD400HF01 LLD]K312 No HSE secure debug operation</A>. Let me know if the issue persists afterward.</P> <P>&nbsp;</P> <P>BR, VaneB</P> Tue, 22 Jul 2025 20:20:12 GMT https://community.nxp.com/t5/S32K/Flash-driver-into-HardFault-Handler/m-p/2138679#M51212 VaneB 2025-07-22T20:20:12Z