https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1760210#M28793 <P>Thanks a lot.&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="bwp530_0-1700531932868.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/250727i8616B7F39A32154B/image-size/medium?v=v2&amp;px=400" role="button" title="bwp530_0-1700531932868.png" alt="bwp530_0-1700531932868.png" /></span></P><P>&nbsp;</P> Tue, 21 Nov 2023 02:00:53 GMT bwp530 2023-11-21T02:00:53Z https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1755572#M28557 <P>S32K344(mac mode) connect to SJA1105(phy mode) with RMII on our board.</P><P>the PTD6_RMII_TX_CLK connet to K14_REF_CLK of SJA1105.</P><P>the datasheet of sja1105 shows that the REF_CLK can output 50Mhz for&nbsp;PTD6_RMII_TX_CLK .</P><P>How can I configure the chip to output 50Mhz?&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="bwp530_0-1699612626801.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/249396i73F9B031722DC5FF/image-size/medium?v=v2&amp;px=400" role="button" title="bwp530_0-1699612626801.png" alt="bwp530_0-1699612626801.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Fri, 10 Nov 2023 10:55:39 GMT https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1755572#M28557 bwp530 2023-11-10T10:55:39Z https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1756765#M28611 <P>I configure the sja1105 to mac mode to get the ref_clk out, is it right?</P> Tue, 14 Nov 2023 08:04:34 GMT https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1756765#M28611 bwp530 2023-11-14T08:04:34Z https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1759906#M28781 <P>Hi,</P> <P>please refer to&nbsp;<SPAN>chapters 6.1.7 to 6.1.9 of the AH1704&nbsp;SJA1105PQRS Application Hints, to know how REF_CLK can be configured/handled in RMII modes.</SPAN><BR clear="none" /><A href="https://www.nxp.com/webapp/Download?colCode=AH1704" target="_blank" rel="noopener">https://www.nxp.com/webapp/Download?colCode=AH1704</A></P> <P>BR, Petr</P> Mon, 20 Nov 2023 13:41:40 GMT https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1759906#M28781 PetrS 2023-11-20T13:41:40Z https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1760210#M28793 <P>Thanks a lot.&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="bwp530_0-1700531932868.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/250727i8616B7F39A32154B/image-size/medium?v=v2&amp;px=400" role="button" title="bwp530_0-1700531932868.png" alt="bwp530_0-1700531932868.png" /></span></P><P>&nbsp;</P> Tue, 21 Nov 2023 02:00:53 GMT https://community.nxp.com/t5/S32K/SJA1105-RMII-ref-clk-configuration/m-p/1760210#M28793 bwp530 2023-11-21T02:00:53Z