How to set configuration GPIO_IO01 pull high 3.3V

[felixhsu]

Hi All

The customer schematic as below:

 

How to set configuration GPIO_IO01 pull high 3.3V on the power up after, boot before uboot, thanks.

[igorpadykov · Accepted solution]

Hi Felix

out of reset state is described on Table 100. i.MX 7Dual 19 x 19 mm functional

contact assignments i.MX7D Datasheet

http://cache.nxp.com/files/32bit/doc/data_sheet/IMX7DCEC.pdf

and there is no way to change that behaviour immediately after power-up.

Best regards
igor
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