https://community.nxp.com/t5/S32K/LPCMP-external-SAMPLE-input/m-p/1962539#M41366 <P>Hi,</P><P>When I set CCR1[SAMPLE_EN] to be 1, which clock source would be used?<BR /><SPAN>Is the external signal source an actual pin input or is it set somewhere else?”</SPAN></P><P><SPAN><LI-PRODUCT title="S32K3X4EVB-T172" id="S32K3X4EVB-T172"></LI-PRODUCT>&nbsp;, #LPCMP, #RTD</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Jack_Hsu_0-1727340085947.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/301423i139F5E8308C1ADFD/image-size/medium?v=v2&amp;px=400" role="button" title="Jack_Hsu_0-1727340085947.png" alt="Jack_Hsu_0-1727340085947.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Jack_Hsu_1-1727340681853.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/301426iA6E33B59283FD693/image-size/medium?v=v2&amp;px=400" role="button" title="Jack_Hsu_1-1727340681853.png" alt="Jack_Hsu_1-1727340681853.png" /></span></P><P>&nbsp;</P> Thu, 26 Sep 2024 08:58:27 GMT Jack_Hsu 2024-09-26T08:58:27Z https://community.nxp.com/t5/S32K/LPCMP-external-SAMPLE-input/m-p/1962539#M41366 <P>Hi,</P><P>When I set CCR1[SAMPLE_EN] to be 1, which clock source would be used?<BR /><SPAN>Is the external signal source an actual pin input or is it set somewhere else?”</SPAN></P><P><SPAN><LI-PRODUCT title="S32K3X4EVB-T172" id="S32K3X4EVB-T172"></LI-PRODUCT>&nbsp;, #LPCMP, #RTD</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Jack_Hsu_0-1727340085947.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/301423i139F5E8308C1ADFD/image-size/medium?v=v2&amp;px=400" role="button" title="Jack_Hsu_0-1727340085947.png" alt="Jack_Hsu_0-1727340085947.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Jack_Hsu_1-1727340681853.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/301426iA6E33B59283FD693/image-size/medium?v=v2&amp;px=400" role="button" title="Jack_Hsu_1-1727340681853.png" alt="Jack_Hsu_1-1727340681853.png" /></span></P><P>&nbsp;</P> Thu, 26 Sep 2024 08:58:27 GMT https://community.nxp.com/t5/S32K/LPCMP-external-SAMPLE-input/m-p/1962539#M41366 Jack_Hsu 2024-09-26T08:58:27Z https://community.nxp.com/t5/S32K/LPCMP-external-SAMPLE-input/m-p/1963726#M41418 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/239294">@Jack_Hsu</a>&nbsp;</P> <P>When CCR1[SAMPLE_EN]=1, the WINDOW/SAMPLE signal acts as the&nbsp;Sampling Clock of the Filter Block. The external SAMPLE input&nbsp;signal&nbsp;is an output pulse generated via&nbsp;TRGMUX.&nbsp;See the LPCMP_Sample/Window input in the TRGMUX connectivity file attached to the&nbsp;S32K3xx Reference Manual, Rev. 8.&nbsp;</P> <P>&nbsp;</P> <P>BR, VaneB</P> Fri, 27 Sep 2024 19:55:25 GMT https://community.nxp.com/t5/S32K/LPCMP-external-SAMPLE-input/m-p/1963726#M41418 VaneB 2024-09-27T19:55:25Z