topic GPIO outputs affected by wdog? in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/GPIO-outputs-affected-by-wdog/m-p/645876#M39181 <HTML><HEAD></HEAD><BODY><P>For the &nbsp;MK22FN512CBP12R I want to configure some gpios as outputs to control some external chips. My question is if a watchdog reset occurs will these gpios revert to inputs? If so, is there any way to prevent this from occurring, since reverting to inputs could affect the control and state of the external chips?</P></BODY></HTML> Fri, 23 Sep 2016 16:56:53 GMT gsosnow 2016-09-23T16:56:53Z GPIO outputs affected by wdog? https://community.nxp.com/t5/Kinetis-Microcontrollers/GPIO-outputs-affected-by-wdog/m-p/645876#M39181 <HTML><HEAD></HEAD><BODY><P>For the &nbsp;MK22FN512CBP12R I want to configure some gpios as outputs to control some external chips. My question is if a watchdog reset occurs will these gpios revert to inputs? If so, is there any way to prevent this from occurring, since reverting to inputs could affect the control and state of the external chips?</P></BODY></HTML> Fri, 23 Sep 2016 16:56:53 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/GPIO-outputs-affected-by-wdog/m-p/645876#M39181 gsosnow 2016-09-23T16:56:53Z Re: GPIO outputs affected by wdog? https://community.nxp.com/t5/Kinetis-Microcontrollers/GPIO-outputs-affected-by-wdog/m-p/645877#M39182 <HTML><HEAD></HEAD><BODY><P>George</P><P></P><P>A watchdog reset causes the GPIOs to be set to their default states - most as inputs or default peripheral functions.</P><P>If you want the states to be held in a particular state when this happens you will need to use external pullup and pull-downs to control the required state.</P><P></P><P>Regards</P><P></P><P>Mark</P></BODY></HTML> Fri, 23 Sep 2016 20:18:22 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/GPIO-outputs-affected-by-wdog/m-p/645877#M39182 mjbcswitzerland 2016-09-23T20:18:22Z