i.MX ProcessorsのトピックMinimization power consumption by changing the register settings of unused pins

Minimization power consumption by changing the register settings of unused pins

ko-hey — Wed, 14 Oct 2015 08:35:52 GMT

Hi all

My customer want to minimize power consumption.

Can user reduce the power consumption by changing the register settings of unused pins ?

Do you have any information for it ?

I have already read following application note but can't find a such information.

Ko-hey

igorpadykov — Thu, 15 Oct 2015 01:54:11 GMT

Hi Ko-hey

seems for unused pins one can only try to change/disable pull resistors

or set it as open drain (bit ODE register IOMUXC_SW_PAD_CTL_PAD_x_y).

Best regards

igor

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ko-hey — Thu, 15 Oct 2015 02:29:20 GMT

Hi Igor

Thank you for your quick reply.

Let me confirm the meaning of your following comment.

seems for unused pins one can only try to change/disable pull resistors

What is the meaning of the pull resistors ?

I think that the pull resistor means PKE field.

Is it correct ?

Ko-hey

igorpadykov — Thu, 15 Oct 2015 02:34:33 GMT

Hi Ko-hey

yes correct

Best regards

igor

ko-hey — Thu, 15 Oct 2015 02:56:08 GMT

Hi Igor

Thanks !

Ko-hey