How to set configuration GPIO_IO01 pull high 3.3V

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How to set configuration GPIO_IO01 pull high 3.3V

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felixhsu
Contributor III

Hi All

The customer schematic as below:

pastedImage_1.png

pastedImage_2.png 

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

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984 次查看
igorpadykov
NXP Employee
NXP Employee

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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1 回复
985 次查看
igorpadykov
NXP Employee
NXP Employee

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
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

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