topic Unsecure controller using P&E in S12 / MagniV Microcontrollers https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Unsecure-controller-using-P-E/m-p/192687#M7581 <HTML><HEAD></HEAD><BODY><DIV>Hi</DIV><DIV>&nbsp;</DIV><DIV>I am working on Freescale HCS12&nbsp; microcontroller.</DIV><DIV>Once i secured the flash P&amp;E tool is there to unsecure the flash.</DIV><DIV>But the problem is it erases not only flash but also eeprom.</DIV><DIV>&nbsp;</DIV><DIV>Is there any other tool like P&amp;E which erases only flash but not eeprom</DIV></BODY></HTML> Thu, 21 Feb 2008 18:16:44 GMT ramabh 2008-02-21T18:16:44Z Unsecure controller using P&E https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Unsecure-controller-using-P-E/m-p/192687#M7581 <HTML><HEAD></HEAD><BODY><DIV>Hi</DIV><DIV>&nbsp;</DIV><DIV>I am working on Freescale HCS12&nbsp; microcontroller.</DIV><DIV>Once i secured the flash P&amp;E tool is there to unsecure the flash.</DIV><DIV>But the problem is it erases not only flash but also eeprom.</DIV><DIV>&nbsp;</DIV><DIV>Is there any other tool like P&amp;E which erases only flash but not eeprom</DIV></BODY></HTML> Thu, 21 Feb 2008 18:16:44 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Unsecure-controller-using-P-E/m-p/192687#M7581 ramabh 2008-02-21T18:16:44Z Re: Unsecure controller using P&E https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Unsecure-controller-using-P-E/m-p/192688#M7582 <HTML><HEAD></HEAD><BODY><DIV>This is how S12 security works. Once secured you have no access to internal flash and eeprom. You may only erase them both. Erasing just eeprom or just flash is not enough.</DIV></BODY></HTML> Thu, 21 Feb 2008 21:46:04 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Unsecure-controller-using-P-E/m-p/192688#M7582 kef 2008-02-21T21:46:04Z