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lan8720 design with imx6q

Question asked by kevin_chan on Sep 2, 2013
Latest reply on Oct 20, 2013 by kevin_chan

we use lan8720 phy in imx6q platform through RMII interface.

we config lan8720 to generate 50M ref clock for mac, and connect this 50M clock to ENET_REF_CLK pin.

but according to "IMX6DQ6SDLHDG.pdf", ENET_REF_CLK is not used by the RMII interface and recommend to use GPIO_16 as source pin of 50M clock.

any software workaround can solve our ploblem? we don't want to modify the hardware design.

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