topic USBDM ARM Programmer Securing MCU and not able to Mass Erase in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/USBDM-ARM-Programmer-Securing-MCU-and-not-able-to-Mass-Erase/m-p/2091041#M67510 <P>Hello,</P><P>I'm using the USBDM ARM Programmer to program my board that has an MK22FN1M0AVLQ12.</P><P>After programming a test firmware it gets secured and i'm not able to mass erase.</P><P>Security option is set to IMAGE.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Rigolon_0-1746212361152.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/336103i01594D429F8EF8DA/image-size/medium?v=v2&amp;px=400" role="button" title="Rigolon_0-1746212361152.png" alt="Rigolon_0-1746212361152.png" /></span></P><P>&nbsp;</P><P>FTFL_FSEC us 0x00, so Mass Erase should be enabled.</P><P>Is there anyway that I can erase this MCU so I can program a new firmware?</P> Fri, 02 May 2025 19:00:04 GMT Rigolon 2025-05-02T19:00:04Z USBDM ARM Programmer Securing MCU and not able to Mass Erase https://community.nxp.com/t5/Kinetis-Microcontrollers/USBDM-ARM-Programmer-Securing-MCU-and-not-able-to-Mass-Erase/m-p/2091041#M67510 <P>Hello,</P><P>I'm using the USBDM ARM Programmer to program my board that has an MK22FN1M0AVLQ12.</P><P>After programming a test firmware it gets secured and i'm not able to mass erase.</P><P>Security option is set to IMAGE.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Rigolon_0-1746212361152.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/336103i01594D429F8EF8DA/image-size/medium?v=v2&amp;px=400" role="button" title="Rigolon_0-1746212361152.png" alt="Rigolon_0-1746212361152.png" /></span></P><P>&nbsp;</P><P>FTFL_FSEC us 0x00, so Mass Erase should be enabled.</P><P>Is there anyway that I can erase this MCU so I can program a new firmware?</P> Fri, 02 May 2025 19:00:04 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USBDM-ARM-Programmer-Securing-MCU-and-not-able-to-Mass-Erase/m-p/2091041#M67510 Rigolon 2025-05-02T19:00:04Z Re: USBDM ARM Programmer Securing MCU and not able to Mass Erase https://community.nxp.com/t5/Kinetis-Microcontrollers/USBDM-ARM-Programmer-Securing-MCU-and-not-able-to-Mass-Erase/m-p/2091044#M67511 <P>Just found a way.<BR />I forced RESET pin to GND and hold it while used the Mass Erase function of ARM Programmer.</P><P>&nbsp;</P> Fri, 02 May 2025 19:12:07 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USBDM-ARM-Programmer-Securing-MCU-and-not-able-to-Mass-Erase/m-p/2091044#M67511 Rigolon 2025-05-02T19:12:07Z