https://community.nxp.com/t5/PowerQUICC-Processors/How-to-secure-JTAG-DEBUG-interface-MPC823/m-p/1861409#M4607 <P>Hi,<BR /><BR />i am trying to figure out valid methods to deactivate the MPC823s JTAG and DEBUG ports to prevent unauthorized access (e.g., blowing the JTAG fuse)?<BR /><BR />I was looking through the MPC823 users manual but could not find any suggested methods.<BR /><BR />I would appreciate any help.<BR /><BR />Regards</P> Wed, 08 May 2024 11:03:01 GMT bsdev 2024-05-08T11:03:01Z https://community.nxp.com/t5/PowerQUICC-Processors/How-to-secure-JTAG-DEBUG-interface-MPC823/m-p/1861409#M4607 <P>Hi,<BR /><BR />i am trying to figure out valid methods to deactivate the MPC823s JTAG and DEBUG ports to prevent unauthorized access (e.g., blowing the JTAG fuse)?<BR /><BR />I was looking through the MPC823 users manual but could not find any suggested methods.<BR /><BR />I would appreciate any help.<BR /><BR />Regards</P> Wed, 08 May 2024 11:03:01 GMT https://community.nxp.com/t5/PowerQUICC-Processors/How-to-secure-JTAG-DEBUG-interface-MPC823/m-p/1861409#M4607 bsdev 2024-05-08T11:03:01Z https://community.nxp.com/t5/PowerQUICC-Processors/How-to-secure-JTAG-DEBUG-interface-MPC823/m-p/1867321#M4611 <P>Hello,</P> <P>MPC823 has&nbsp;IEEE 1149.1 Test Access Port (JTAG), to disable the interface you can try the connections below:</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Oswalag_0-1715875922022.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/279163i47EEEA8483A20798/image-size/medium?v=v2&amp;px=400" role="button" title="Oswalag_0-1715875922022.png" alt="Oswalag_0-1715875922022.png" /></span></P> <P>&nbsp;</P> Thu, 16 May 2024 16:12:23 GMT https://community.nxp.com/t5/PowerQUICC-Processors/How-to-secure-JTAG-DEBUG-interface-MPC823/m-p/1867321#M4611 Oswalag 2024-05-16T16:12:23Z