[SDIO_CLK / WaveForm] What does Waveform of SDIO_CLK look like?

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[SDIO_CLK / WaveForm] What does Waveform of SDIO_CLK look like?

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TaeHyeok
Contributor I

Hi.

There's a question about, SDIO_CLK signal.
Now, I checked at i.MX 7ULP's SDIO_CLK line and saw that the shape of waveform is "Sin".
I want to ask you is this, is it correct that shape of waveform is "sin"?
> I used "SDR104" mode, and checked it.

> I though shape of SDIO_CLK's waveform should be, "pulse", but it was "Sin", so I wonder this is the correct shape.

Is it correct shape?
> i.MX Processor do generate waveform of SDIO_CLK signal as "Sin"?

 

i.MX_7ULP.PNG

 

Regards.
Have a nice day.
TAEHYEOK.

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jimmychan
NXP TechSupport
NXP TechSupport

The waveform is no problem.

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