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AM4372: DDR3 VTT termination resistor value

Guru 10570 points
Part Number: AM4372

Hello.

I have a question about the schematics of AM437x EVM.
May I use the same VTT termination resistor value on DDR_CLKx and other lines?

TRM specifies Zo as 50 ohm +/- 5ohm.
But I am curious why SK/EVM is put different resistor value.(DDR_CLKx are 49.9ohm, others are 47ohm)


Our target board is instable to read/write to/from DDR3.
I would like to clarify if we should follow EVM schematic. (47ohm and 49.9ohm)
Or, should follow TRM?.(50ohm +/-5ohm)

Best regards, RY