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TJA1101 REF_CLK IBIS model can't be assigned as input

Question asked by Liu Yuping on Apr 23, 2020
Latest reply on May 21, 2020 by Bulat Karymov

We are using an iMX6S and a TJA1101 as the Ethernet PHY wired for RMII. we use GPIO_16 to output an 50MHz clock for TJA1101(PIN 25 RXC/REF_CLK) . And i want to do simulation for this net.  When I choose model for this net in TJA1101 side for PIN25, it can't be assigned as input, and in the  the model selector , there is no "mfio_input ". 

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