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LQFP100  RT1021   Ethernet interface

Question asked by Suhas Galgale on Nov 23, 2019
Latest reply on Nov 25, 2019 by Jing Pan

Hi,

I am using 100-pin MIMXRT1021CAF4A and want to interface Ethernet PHY chip.

I see that ENET_MDIO & ENET_MDC pins are shared with JTAG pins.

In 144-pin package these pins are dedicated.

Evaluation kit schematic uses 144-pin package.

I just want to confirm that I have to share these two pins with JTAG ?

 

Thanks

Suhas

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