topic Re: &quot;'MK70FN1M0VMJ12s &quot; Cannot enter into debug mode in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/quot-MK70FN1M0VMJ12s-quot-Cannot-enter-into-debug-mode/m-p/257026#M7628 <HTML><HEAD></HEAD><BODY><DIV><P>Hello</P><P></P><P>It looks like a hardware problem or perhaps debug configuration is expecting JTAG mode and your hardware is in SWD mode. Have you checked that?</P><P></P><P>Luis</P></DIV></BODY></HTML> Mon, 30 Sep 2013 16:24:48 GMT LuisCasado 2013-09-30T16:24:48Z "'MK70FN1M0VMJ12s " Cannot enter into debug mode https://community.nxp.com/t5/Kinetis-Microcontrollers/quot-MK70FN1M0VMJ12s-quot-Cannot-enter-into-debug-mode/m-p/257025#M7627 <HTML><HEAD></HEAD><BODY><P>Our K70 controllr programmed first time but after that it showing the&nbsp; "Cannot enter into debug mode" message on keil compiler. we are using ULINK2 programmer.</P><P></P><P>So we aer tried with Jlink debugger &amp; tried for Unlock but "Read from DP/AP resister failed" </P></BODY></HTML> Mon, 30 Sep 2013 14:37:18 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/quot-MK70FN1M0VMJ12s-quot-Cannot-enter-into-debug-mode/m-p/257025#M7627 prashantbendre 2013-09-30T14:37:18Z Re: "'MK70FN1M0VMJ12s " Cannot enter into debug mode https://community.nxp.com/t5/Kinetis-Microcontrollers/quot-MK70FN1M0VMJ12s-quot-Cannot-enter-into-debug-mode/m-p/257026#M7628 <HTML><HEAD></HEAD><BODY><DIV><P>Hello</P><P></P><P>It looks like a hardware problem or perhaps debug configuration is expecting JTAG mode and your hardware is in SWD mode. Have you checked that?</P><P></P><P>Luis</P></DIV></BODY></HTML> Mon, 30 Sep 2013 16:24:48 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/quot-MK70FN1M0VMJ12s-quot-Cannot-enter-into-debug-mode/m-p/257026#M7628 LuisCasado 2013-09-30T16:24:48Z