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QorIQ T4160 DDR MDIC resistor value

Question asked by Dibin G on Jan 24, 2018
Latest reply on Jan 24, 2018 by ufedor

For a QorIQ T4160 based design, as per AN3490 document, DDR3 design checklist point 38, MDIC pins need to be connected to GND/DDR power via a 40 ohm resistor, but as per T4160 datasheet the resistor value required is 187 ohm (for rev2). Which is the correct value that is required ?