https://community.nxp.com/t5/S32K/Modify-crystal-oscillator-value-CAN-can-t-communicate/m-p/1463794#M15646 <P>For EMI/C problems, change the crystal value from 40M -&gt;16M(include HW&amp;SW) in S32K116.</P><P>The cyrstal vibration is OK after the hardware test and modification.</P><P>I change&nbsp;SOSC to 16M and check&nbsp;Configuration compare as below:</P><P>Check can communication through the tool,found no data ,and the LED light is not on ,as blow.</P><P>Is there something I should configure or something I didn't configure?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Modify SOSC.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181048iF747FD08BD3AEA67/image-size/large?v=v2&amp;px=999" role="button" title="Modify SOSC.png" alt="Modify SOSC.png" /></span>Configuration compare:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Configuration compare2.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181049iAF21C66E38751EE9/image-size/large?v=v2&amp;px=999" role="button" title="Configuration compare2.png" alt="Configuration compare2.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Configuration compare 1.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181051iD4A7C680DDC974ED/image-size/large?v=v2&amp;px=999" role="button" title="Configuration compare 1.png" alt="Configuration compare 1.png" /></span></P><P>CAN not communication:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="CAN not communication.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181052iAA7A7B5E3209B477/image-size/large?v=v2&amp;px=999" role="button" title="CAN not communication.png" alt="CAN not communication.png" /></span></P> Wed, 25 May 2022 07:46:06 GMT jingfang 2022-05-25T07:46:06Z https://community.nxp.com/t5/S32K/Modify-crystal-oscillator-value-CAN-can-t-communicate/m-p/1463794#M15646 <P>For EMI/C problems, change the crystal value from 40M -&gt;16M(include HW&amp;SW) in S32K116.</P><P>The cyrstal vibration is OK after the hardware test and modification.</P><P>I change&nbsp;SOSC to 16M and check&nbsp;Configuration compare as below:</P><P>Check can communication through the tool,found no data ,and the LED light is not on ,as blow.</P><P>Is there something I should configure or something I didn't configure?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Modify SOSC.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181048iF747FD08BD3AEA67/image-size/large?v=v2&amp;px=999" role="button" title="Modify SOSC.png" alt="Modify SOSC.png" /></span>Configuration compare:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Configuration compare2.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181049iAF21C66E38751EE9/image-size/large?v=v2&amp;px=999" role="button" title="Configuration compare2.png" alt="Configuration compare2.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Configuration compare 1.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181051iD4A7C680DDC974ED/image-size/large?v=v2&amp;px=999" role="button" title="Configuration compare 1.png" alt="Configuration compare 1.png" /></span></P><P>CAN not communication:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="CAN not communication.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181052iAA7A7B5E3209B477/image-size/large?v=v2&amp;px=999" role="button" title="CAN not communication.png" alt="CAN not communication.png" /></span></P> Wed, 25 May 2022 07:46:06 GMT https://community.nxp.com/t5/S32K/Modify-crystal-oscillator-value-CAN-can-t-communicate/m-p/1463794#M15646 jingfang 2022-05-25T07:46:06Z https://community.nxp.com/t5/S32K/Modify-crystal-oscillator-value-CAN-can-t-communicate/m-p/1464120#M15658 <P><A href="mailto:Hi@jingfang" target="_blank">Hi@jingfang</A></P> <P>It should be incorrectly configured, try this CAN configuration,</P> <P>Is your PE's clock 4MHz?</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Senlent_1-1653495629979.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/181112iDBBE0F5F59DC64F1/image-size/medium?v=v2&amp;px=400" role="button" title="Senlent_1-1653495629979.png" alt="Senlent_1-1653495629979.png" /></span></P> <P>&nbsp;</P> Wed, 25 May 2022 16:21:36 GMT https://community.nxp.com/t5/S32K/Modify-crystal-oscillator-value-CAN-can-t-communicate/m-p/1464120#M15658 Senlent 2022-05-25T16:21:36Z