https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/RT1061-Dual-Ethernet-MDIO-Interface-Questions/m-p/1521883#M21627 <P>&nbsp; &nbsp;When using dual network ports, must ENET_MDC, ENET_MDIO and ENET2_MDC, ENET2_MDIO be connected to two PHYs respectively?<BR />I now use ENET_MDC and ENET_MDIO to connect two PHYs in parallel, and distinguish them by PHY address. The result is that PHY2 has never been initialized, or it is stuck in the initialization process.</P><P>&nbsp; The phy register address 0x02 read in the PHY_KSZ8081_Init() function using network 2 is always 0, while network 1 is normal. Here, the MDIO interface shared by network 1 and network 2 is in network 1, and the MDIO interface is not configured on network 2.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="QQ截图20220914181001.png" style="width: 895px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193606iFA582778FFF0ED01/image-size/large?v=v2&amp;px=999" role="button" title="QQ截图20220914181001.png" alt="QQ截图20220914181001.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">QQ截图20220914181001.png</span></span></P> Wed, 14 Sep 2022 10:11:08 GMT 2548903578 2022-09-14T10:11:08Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/RT1061-Dual-Ethernet-MDIO-Interface-Questions/m-p/1521883#M21627 <P>&nbsp; &nbsp;When using dual network ports, must ENET_MDC, ENET_MDIO and ENET2_MDC, ENET2_MDIO be connected to two PHYs respectively?<BR />I now use ENET_MDC and ENET_MDIO to connect two PHYs in parallel, and distinguish them by PHY address. The result is that PHY2 has never been initialized, or it is stuck in the initialization process.</P><P>&nbsp; The phy register address 0x02 read in the PHY_KSZ8081_Init() function using network 2 is always 0, while network 1 is normal. Here, the MDIO interface shared by network 1 and network 2 is in network 1, and the MDIO interface is not configured on network 2.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="QQ截图20220914181001.png" style="width: 895px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193606iFA582778FFF0ED01/image-size/large?v=v2&amp;px=999" role="button" title="QQ截图20220914181001.png" alt="QQ截图20220914181001.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">QQ截图20220914181001.png</span></span></P> Wed, 14 Sep 2022 10:11:08 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/RT1061-Dual-Ethernet-MDIO-Interface-Questions/m-p/1521883#M21627 2548903578 2022-09-14T10:11:08Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/RT1061-Dual-Ethernet-MDIO-Interface-Questions/m-p/1522778#M21647 <P>Hi,</P> <P>Due to NXP RT1060 EVK only provides one ENET design, I would recommend customer to refer ForLinx <A href="https://www.forlinx.net/single-board-computer/rt1061-45.html" target="_self">OK1061-S</A> board dual ENET design, which using two ENET PHYs:</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Hui_Ma_0-1663233516173.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193776iD1BFC1ED34F6BBDB/image-size/medium?v=v2&amp;px=400" role="button" title="Hui_Ma_0-1663233516173.png" alt="Hui_Ma_0-1663233516173.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">Hui_Ma_0-1663233516173.png</span></span></P> <P>Wish it helps.</P> <P>Mike</P> Thu, 15 Sep 2022 09:19:14 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/RT1061-Dual-Ethernet-MDIO-Interface-Questions/m-p/1522778#M21647 Hui_Ma 2022-09-15T09:19:14Z