topic Re: About BDM debug in PowerQUICC Processors https://community.nxp.com/t5/PowerQUICC-Processors/About-BDM-debug/m-p/601456#M1658 <HTML><HEAD></HEAD><BODY><P>BDM interface can not be protected in MPC8xx - there is no "debug disable" fuses or something like that.</P><P>So, there is no 100% guarantied way to protect your MPC8xx device from debugging, but:</P><P></P><P>1. You can reconfigure debug port pins to other functions in DBGC / DBPC fields of RCW</P><P>2. In your software you can detect the fact that the debug mode is enabled and behave differently, for example erase critical data.</P><P><BR />Have a great day,<BR />Alexander</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 01 Mar 2017 16:31:50 GMT alexander_yakov 2017-03-01T16:31:50Z About BDM debug https://community.nxp.com/t5/PowerQUICC-Processors/About-BDM-debug/m-p/601455#M1657 <HTML><HEAD></HEAD><BODY><P>For protection, what tricks can be used for prohibitting bdm debug in mpc8xx processor?</P></BODY></HTML> Mon, 27 Feb 2017 07:04:38 GMT https://community.nxp.com/t5/PowerQUICC-Processors/About-BDM-debug/m-p/601455#M1657 tomlucas 2017-02-27T07:04:38Z Re: About BDM debug https://community.nxp.com/t5/PowerQUICC-Processors/About-BDM-debug/m-p/601456#M1658 <HTML><HEAD></HEAD><BODY><P>BDM interface can not be protected in MPC8xx - there is no "debug disable" fuses or something like that.</P><P>So, there is no 100% guarantied way to protect your MPC8xx device from debugging, but:</P><P></P><P>1. You can reconfigure debug port pins to other functions in DBGC / DBPC fields of RCW</P><P>2. In your software you can detect the fact that the debug mode is enabled and behave differently, for example erase critical data.</P><P><BR />Have a great day,<BR />Alexander</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 01 Mar 2017 16:31:50 GMT https://community.nxp.com/t5/PowerQUICC-Processors/About-BDM-debug/m-p/601456#M1658 alexander_yakov 2017-03-01T16:31:50Z