Kinetis Microcontrollers中的主题 Re: Why Kinetis Microcontroller crashed? https://community.nxp.com/t5/Kinetis-Microcontrollers/Why-Kinetis-Microcontroller-crashed/m-p/883062#M52373 <HTML><HEAD></HEAD><BODY><P>Hi Gabriele,</P><P>No, there isn't such a protection circuit. But in K22 SDK, there is a power switch demo. It shows how to step into and release from all of the power mode, both by wakeup pin and timer. You can refer to it.</P><P></P><P>Regards,</P><P>Jing</P></BODY></HTML> Mon, 08 Apr 2019 08:18:07 GMT jingpan 2019-04-08T08:18:07Z Why Kinetis Microcontroller crashed? https://community.nxp.com/t5/Kinetis-Microcontrollers/Why-Kinetis-Microcontroller-crashed/m-p/883061#M52372 <HTML><HEAD></HEAD><BODY><P>I'm using a MK22FX512AVLL12. I have selected LLWU_P15 used like interrupt to wake up the microcontroller.</P><P>During normal use I reach some unknown bug in my huge code but the microcontroller reaches a condition i can't understand.</P><P>All the GPIO are disabled, the microcontroller seems in sleep. But the wakeup interrupt doesn't wake&nbsp; up the micro, and the code doesn't restart automatically (watchdog is active, should do it). Only a reset make it waking up.&nbsp;</P><P>There is some protection circuit that could stop the microcontroller in this way?</P><P></P><P>Gabriele</P></BODY></HTML> Fri, 05 Apr 2019 11:55:59 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Why-Kinetis-Microcontroller-crashed/m-p/883061#M52372 gabriele_endriz 2019-04-05T11:55:59Z Re: Why Kinetis Microcontroller crashed? https://community.nxp.com/t5/Kinetis-Microcontrollers/Why-Kinetis-Microcontroller-crashed/m-p/883062#M52373 <HTML><HEAD></HEAD><BODY><P>Hi Gabriele,</P><P>No, there isn't such a protection circuit. But in K22 SDK, there is a power switch demo. It shows how to step into and release from all of the power mode, both by wakeup pin and timer. You can refer to it.</P><P></P><P>Regards,</P><P>Jing</P></BODY></HTML> Mon, 08 Apr 2019 08:18:07 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Why-Kinetis-Microcontroller-crashed/m-p/883062#M52373 jingpan 2019-04-08T08:18:07Z