https://community.nxp.com/t5/Kinetis-Microcontrollers/S9KEAZ128AMLH-R/m-p/1711326#M65486 <P>Hi</P> <P>抱歉现在才答复。</P> <P>S9KEAZ128AMLH的内部时钟出厂默认trim到37.5kHz，但其精度比较低，详见数据手册Table 9. OSC and ICS specifications:</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Table 9. OSC and ICS specifications.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/238058i29DF5BFBBEF20E15/image-size/large?v=v2&amp;px=999" role="button" title="Table 9. OSC and ICS specifications.png" alt="Table 9. OSC and ICS specifications.png" /></span></P> <P><BR />Best Regards,<BR />Robin</P> Fri, 25 Aug 2023 08:10:00 GMT Robin_Shen 2023-08-25T08:10:00Z https://community.nxp.com/t5/Kinetis-Microcontrollers/S9KEAZ128AMLH-R/m-p/1707929#M65467 <P>采用内部时钟时，进行LIN通信会出现丢包出错的情况，如下图：</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="primaryleaf_0-1692587000071.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/237166i393725FEC29A901F/image-size/medium?v=v2&amp;px=400" role="button" title="primaryleaf_0-1692587000071.png" alt="primaryleaf_0-1692587000071.png" /></span></P><P>请问出现这种情况的可能是什么</P> Mon, 21 Aug 2023 03:04:21 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/S9KEAZ128AMLH-R/m-p/1707929#M65467 primaryleaf 2023-08-21T03:04:21Z https://community.nxp.com/t5/Kinetis-Microcontrollers/S9KEAZ128AMLH-R/m-p/1711326#M65486 <P>Hi</P> <P>抱歉现在才答复。</P> <P>S9KEAZ128AMLH的内部时钟出厂默认trim到37.5kHz，但其精度比较低，详见数据手册Table 9. OSC and ICS specifications:</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Table 9. OSC and ICS specifications.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/238058i29DF5BFBBEF20E15/image-size/large?v=v2&amp;px=999" role="button" title="Table 9. OSC and ICS specifications.png" alt="Table 9. OSC and ICS specifications.png" /></span></P> <P><BR />Best Regards,<BR />Robin</P> Fri, 25 Aug 2023 08:10:00 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/S9KEAZ128AMLH-R/m-p/1711326#M65486 Robin_Shen 2023-08-25T08:10:00Z