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What is the purpose of R667 in the Sabre schematics

Question asked by Doug Schwanke on Apr 14, 2014
Latest reply on May 23, 2014 by Doug Schwanke

I understand that this is a DNP part, but I am wondering why the part was even on the schematic.  We have a lot of customers who replicate this design and are placing pads on the board.

When would someone pull this pin down? 


My current assumption is that it is related to designs where the user uses 4 data lines and DAT3/CD share the same pin, such as micro SD cards.