topic MCF5485 FEC design in ColdFire/68K Microcontrollers and Processors https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF5485-FEC-design/m-p/160842#M5072 <HTML><HEAD></HEAD><BODY><P>Because we need two ethernet on the design, so we change the MCF5482 to MCF5485, there&nbsp;are&nbsp;two ethernet PHYs needed for the FEC. Are there more cheaper solution? fg. just one ethernet PHYs?</P><P>&nbsp;</P><P>your&nbsp;suggestion&nbsp;is appreciative</P><P>&nbsp;</P><P>Thank you again</P></BODY></HTML> Wed, 11 Mar 2009 16:19:41 GMT Jason_Shi 2009-03-11T16:19:41Z MCF5485 FEC design https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF5485-FEC-design/m-p/160842#M5072 <HTML><HEAD></HEAD><BODY><P>Because we need two ethernet on the design, so we change the MCF5482 to MCF5485, there&nbsp;are&nbsp;two ethernet PHYs needed for the FEC. Are there more cheaper solution? fg. just one ethernet PHYs?</P><P>&nbsp;</P><P>your&nbsp;suggestion&nbsp;is appreciative</P><P>&nbsp;</P><P>Thank you again</P></BODY></HTML> Wed, 11 Mar 2009 16:19:41 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF5485-FEC-design/m-p/160842#M5072 Jason_Shi 2009-03-11T16:19:41Z Re: MCF5485 FEC design https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF5485-FEC-design/m-p/160843#M5073 <HTML><HEAD></HEAD><BODY><P>Jason,</P><P>&nbsp;</P><P>You can buy ethernet phys that are "dual-phy" capable.&nbsp; You can then connect two FEC channels to the single chip and then two sets of magnetics and jacks...</P><P>&nbsp;</P><P>Take a look at the MCF54455 page.&nbsp; The EVB board for this V4 ColdFire has two FECs and uses a dual-phy example with RMII.&nbsp; You should be able to reference this evb board design.</P><P>&nbsp;</P><P>Board name is: M54455EVB</P><P>&nbsp;</P><P>-JWW</P><P>&nbsp;</P></BODY></HTML> Thu, 19 Mar 2009 06:53:40 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MCF5485-FEC-design/m-p/160843#M5073 JWW 2009-03-19T06:53:40Z