topic LS1021 Ethernet RMII in Layerscape https://community.nxp.com/t5/Layerscape/LS1021-Ethernet-RMII/m-p/597714#M1602 <HTML><HEAD></HEAD><BODY><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">Hello,</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">We were trying to communicate LS1021 with TI controller TMS570 over RMII without using a Phy Chip. The TI controller TMS570 datasheet&nbsp;has provided a single reference clock input in RMII mode, whereas the LS1021 controller has 2 clocks for TX and RX in the RMII mode.</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">How can we connect these two controllers with different number of clocks?&nbsp;Is it a feasible option to these controllers over phyless RMII?</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">&nbsp;</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">Thanks in Advance!!</SPAN></P></BODY></HTML> Wed, 16 Nov 2016 09:36:39 GMT deepaknaiknavar 2016-11-16T09:36:39Z LS1021 Ethernet RMII https://community.nxp.com/t5/Layerscape/LS1021-Ethernet-RMII/m-p/597714#M1602 <HTML><HEAD></HEAD><BODY><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">Hello,</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">We were trying to communicate LS1021 with TI controller TMS570 over RMII without using a Phy Chip. The TI controller TMS570 datasheet&nbsp;has provided a single reference clock input in RMII mode, whereas the LS1021 controller has 2 clocks for TX and RX in the RMII mode.</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">How can we connect these two controllers with different number of clocks?&nbsp;Is it a feasible option to these controllers over phyless RMII?</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">&nbsp;</SPAN></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="color: #000000; font-family: Calibri; font-size: medium;">Thanks in Advance!!</SPAN></P></BODY></HTML> Wed, 16 Nov 2016 09:36:39 GMT https://community.nxp.com/t5/Layerscape/LS1021-Ethernet-RMII/m-p/597714#M1602 deepaknaiknavar 2016-11-16T09:36:39Z Re: LS1021 Ethernet RMII https://community.nxp.com/t5/Layerscape/LS1021-Ethernet-RMII/m-p/597715#M1603 <HTML><HEAD></HEAD><BODY><P>&gt; <SPAN style="color: #000000; font-family: Calibri; font-size: medium;">the LS1021 controller has 2 clocks for TX and RX in the RMII mode.</SPAN></P><P>What do you mean?</P><P>Please refer to the QorIQ LS1021A Reference Manual, Figure 20-3. eTSEC-RMII connection.</P></BODY></HTML> Wed, 16 Nov 2016 11:03:30 GMT https://community.nxp.com/t5/Layerscape/LS1021-Ethernet-RMII/m-p/597715#M1603 ufedor 2016-11-16T11:03:30Z