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For VLDO_1V8 voltage on MX6UL-EVKB board

Question asked by yuuki on Jul 1, 2016
Latest reply on Jul 7, 2016 by yuuki

Dear all,


We want to test eMMC Boot on MX6UL-EVKB board.

We attached 1.8V eMMC to MX6UL-EVKB board.

And the R701 was removed and attached 0hom register to the R702.


Please see the SPF-28617_C2.pdf

VLDO_1V8 voltage for MX6ULEVKB.png


However, the output voltage of VLDO_1V8 was 2.1V

We cannot use this power supply source for eMMC because the input voltage of VCCQ of eMMC is 1.8V(1.65V to 1.95V).


We checked RT9169-18GVL(U705) which made VLDO_1V8.

But, BG=307 is listed on the U705 parts.


Is this U705 a correct part?


Best Regards,