LPC18xx wake-up pin tf/tr

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LPC18xx wake-up pin tf/tr

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Contributor III

Hi tech community team,

I'd like to know the spec of wake-up pins regarding fall time and rise time.

I checked datasheet however I couldn't  find them.

The wake-up pins are four pins, wakeup0/1/2/3. 

best regards,

Yoshi

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NXP TechSupport
NXP TechSupport

Dear Yoshiyuki,

This information can be found in the datasheet section 11.8 I/O pins. 

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I hope this helps you.

Best Regards,

Alexis Andalon

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Contributor III

Dear Alexis,

Thank you for your help.

I understood that the tf/tr spec are same in both GPIOs and WAKEUP pins mode.

It would help me if you corrected my understandings.

Best regards,

Yoshi

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NXP TechSupport
NXP TechSupport

Hi Yoshiyuki,

Yes, that's right. The electrical characteristics are the same only remember that to trigger the event the pulse needs to be at least 45ns.

pastedImage_1.png

Best Regards,
Alexis Andalon

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