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iMX6 board boot config, reserved bits

Question asked by Martin Christiansen on Jul 10, 2015
Latest reply on Jul 16, 2015 by Biyong Sun

Hi,

 

We are doing a iMX6 design, where we want to control boot device by setting the boot config through the GPIO pins.

We are booting only from a SPI NOR flash memory.

 

Looking at the fuse map (see figure below) there are signals/bits that are "reserved".

Does this mean that the state (high or low) of this pin at boot time is "don't care"??

 

I want to leave out the resistors pulling the "reserved" config bits either high or low, to keep BOM count low.

 

Best Regards,

Martin Christiansen.

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