topic Problem with CW10.5 debugger and PA4 VTG cpu with flash security option ON in 8-bit Microcontrollers https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-CW10-5-debugger-and-PA4-VTG-cpu-with-flash-security/m-p/252649#M19849 <HTML><HEAD></HEAD><BODY><P>Even a simple led blinking project seems to show the problem. If I set the NV_FSEC_INIT @0x0000FF7FU = 0x7DU the application would not start after bdm removing and issueing a cpu reset. During flash programming a " device is secure. Erase to unsecure" message appear but then tha application would not start at all. It seems the flash is secured prior to dco trimming and flash updating......</P></BODY></HTML> Thu, 26 Sep 2013 16:23:05 GMT gpadam 2013-09-26T16:23:05Z Problem with CW10.5 debugger and PA4 VTG cpu with flash security option ON https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-CW10-5-debugger-and-PA4-VTG-cpu-with-flash-security/m-p/252649#M19849 <HTML><HEAD></HEAD><BODY><P>Even a simple led blinking project seems to show the problem. If I set the NV_FSEC_INIT @0x0000FF7FU = 0x7DU the application would not start after bdm removing and issueing a cpu reset. During flash programming a " device is secure. Erase to unsecure" message appear but then tha application would not start at all. It seems the flash is secured prior to dco trimming and flash updating......</P></BODY></HTML> Thu, 26 Sep 2013 16:23:05 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-CW10-5-debugger-and-PA4-VTG-cpu-with-flash-security/m-p/252649#M19849 gpadam 2013-09-26T16:23:05Z