https://community.nxp.com/t5/i-MX-Processors/TAMPER-i-MXULL/m-p/1171354#M163836 <P>Hi</P><P>What&nbsp; is iMX ULL TAMPER0~9 pins&nbsp;used for?</P><P>If you don't use it, is floart all right?</P><P>regard</P> Wed, 21 Oct 2020 23:33:42 GMT ban45 2020-10-21T23:33:42Z https://community.nxp.com/t5/i-MX-Processors/TAMPER-i-MXULL/m-p/1171354#M163836 <P>Hi</P><P>What&nbsp; is iMX ULL TAMPER0~9 pins&nbsp;used for?</P><P>If you don't use it, is floart all right?</P><P>regard</P> Wed, 21 Oct 2020 23:33:42 GMT https://community.nxp.com/t5/i-MX-Processors/TAMPER-i-MXULL/m-p/1171354#M163836 ban45 2020-10-21T23:33:42Z https://community.nxp.com/t5/i-MX-Processors/TAMPER-i-MXULL/m-p/1171543#M163868 <P>Hi ban45</P> <P>&nbsp;</P> <P>information about tamper usage can be found in</P> <P><A id="relatedDocsClick_2" href="https://www.nxp.com/webapp/sps/download/mod_download.jsp?colCode=IMX6ULLSRM&amp;appType=moderated" target="_blank" rel="noopener"><STRONG>Security Reference Manual for the i.MX 6ULL Applications Processor</STRONG></A></P> <P>or&nbsp; <A href="https://www.iwavesystems.com/blog/imx6-module-imx6ul3-sodimm-som/" target="_blank">https://www.iwavesystems.com/blog/imx6-module-imx6ul3-sodimm-som/</A></P> <P>When not used recommended to to connect external 1M Ohm pull-up or pull-down resistors</P> <P>to the pad to avoid the undesired leakage as described on Foot note 2 Table 91&nbsp; p.121</P> <P><A id="relatedDocsClick_2" href="https://www.nxp.com/docs/en/data-sheet/IMX6ULLCEC.pdf" target="_blank" rel="noopener"><STRONG>i.MX 6ULL Applications Processors for Consumer Products</STRONG></A></P> <P>&nbsp;</P> <P>Best regards<BR />igor</P> Thu, 22 Oct 2020 04:46:04 GMT https://community.nxp.com/t5/i-MX-Processors/TAMPER-i-MXULL/m-p/1171543#M163868 igorpadykov 2020-10-22T04:46:04Z