https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-K21F120-and-OSJTAG-on-IAR/m-p/427592#M24706 <HTML><HEAD></HEAD><BODY><P>Trying to run the mfs_usb_twrk21f120m on IAR.&nbsp; Click debug.&nbsp; Dialog shows "Starting Debug" / "Downloading Application" .&nbsp; Takes a really long time then finally hangs in debug mode.&nbsp; I have updated the drivers and firmware from the PE web site.&nbsp; I'm stumped. Any ideas?</P></BODY></HTML> Fri, 23 Oct 2015 20:28:05 GMT tomtalkington 2015-10-23T20:28:05Z https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-K21F120-and-OSJTAG-on-IAR/m-p/427592#M24706 <HTML><HEAD></HEAD><BODY><P>Trying to run the mfs_usb_twrk21f120m on IAR.&nbsp; Click debug.&nbsp; Dialog shows "Starting Debug" / "Downloading Application" .&nbsp; Takes a really long time then finally hangs in debug mode.&nbsp; I have updated the drivers and firmware from the PE web site.&nbsp; I'm stumped. Any ideas?</P></BODY></HTML> Fri, 23 Oct 2015 20:28:05 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-K21F120-and-OSJTAG-on-IAR/m-p/427592#M24706 tomtalkington 2015-10-23T20:28:05Z https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-K21F120-and-OSJTAG-on-IAR/m-p/427593#M24707 <HTML><HEAD></HEAD><BODY><P>Hi Tom,</P><P></P><P>please have you checked jumper settings according to the schematic?</P><P><A href="http://cache.freescale.com/files/32bit/hardware_tools/schematics/TWR-K21F120M_SCH.pdf?fsrch=1&amp;sr=1&amp;pageNum=1" title="http://cache.freescale.com/files/32bit/hardware_tools/schematics/TWR-K21F120M_SCH.pdf?fsrch=1&amp;sr=1&amp;pageNum=1">http://cache.freescale.com/files/32bit/hardware_tools/schematics/TWR-K21F120M_SCH.pdf?fsrch=1&amp;sr=1&amp;pageNum=1</A> </P><P></P><P>Thank you,</P><P>Best Regards,</P><P>Iva</P></BODY></HTML> Fri, 30 Oct 2015 13:36:45 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-K21F120-and-OSJTAG-on-IAR/m-p/427593#M24707 ivadorazinova 2015-10-30T13:36:45Z