https://community.nxp.com/t5/S32K/HSE-Exception-Returns/m-p/2074929#M47518 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/248977">@fanlight</a>&nbsp;</P> <P>Similar issues are usually caused by data cache. Are you sure that all data objects used for communication with HSE are forced to non-cacheable memory? You can try to disable the data cache completely to see if it makes a difference. </P> <P>Regards,</P> <P>Lukas</P> Mon, 07 Apr 2025 07:57:24 GMT lukaszadrapa 2025-04-07T07:57:24Z https://community.nxp.com/t5/S32K/HSE-Exception-Returns/m-p/2074563#M47497 <P>I have a very strange phenomenon when implementing HSE related functions. The breakpoint must hit before executing the function, and single-step debugging works fine every step of the way.<BR />After the breakpoint reaches the function, the hash and RNG will lose the first four data, and the key export will report the parameter is not normal</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="fanlight_0-1743835793952.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/331472iEB73E11DA6740DBB/image-size/medium?v=v2&amp;px=400" role="button" title="fanlight_0-1743835793952.png" alt="fanlight_0-1743835793952.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="fanlight_1-1743835803767.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/331473i20D456C08C92C59C/image-size/medium?v=v2&amp;px=400" role="button" title="fanlight_1-1743835803767.png" alt="fanlight_1-1743835803767.png" /></span></P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="fanlight_2-1743835814356.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/331474i6782E28F6DAD8FAF/image-size/medium?v=v2&amp;px=400" role="button" title="fanlight_2-1743835814356.png" alt="fanlight_2-1743835814356.png" /></span></P><P>&nbsp;</P> Sat, 05 Apr 2025 06:50:37 GMT https://community.nxp.com/t5/S32K/HSE-Exception-Returns/m-p/2074563#M47497 fanlight 2025-04-05T06:50:37Z https://community.nxp.com/t5/S32K/HSE-Exception-Returns/m-p/2074929#M47518 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/248977">@fanlight</a>&nbsp;</P> <P>Similar issues are usually caused by data cache. Are you sure that all data objects used for communication with HSE are forced to non-cacheable memory? You can try to disable the data cache completely to see if it makes a difference. </P> <P>Regards,</P> <P>Lukas</P> Mon, 07 Apr 2025 07:57:24 GMT https://community.nxp.com/t5/S32K/HSE-Exception-Returns/m-p/2074929#M47518 lukaszadrapa 2025-04-07T07:57:24Z