What is i.MX6 IPU DI display clock polarity?

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What is i.MX6 IPU DI display clock polarity?

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satoshishimoda
Senior Contributor I

Hi community,

I have a questions about i.MX6 IPU DI display clock polarity.

Please see chapter 38.5.193 in IMX6SDLRM Rev.1.

There is di0_polarity_disp_clk field, and description says as below.

=====

DI0 Output Clock's polarity

This bits define the polarity of the DI0's clock.

1 The output clock is active high

0 The output clock is active low

=====

But I did not understand what are "active high" & "active low".

What is changed by changing this polarity?

(e.g. active high = latch on rising edge, active low = latch on falling edge)

Best Regards,

Satoshi Shimoda

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Yuri
NXP Employee
NXP Employee

Yes, it would be better to say the output clock is inverted or not.

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Yuri
NXP Employee
NXP Employee

Yes, it would be better to say the output clock is inverted or not.

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