S32K146 GPIO PAD resistance

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S32K146 GPIO PAD resistance

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lihui1
Contributor II

 For there is require on GPIO input current , we want to know what is the resistance in this red box

CatchC2E5(07-21-(07-21-19-35-22).jpg

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Senlent
NXP TechSupport
NXP TechSupport
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Senlent
NXP TechSupport
NXP TechSupport

Hi@lihui1

you can find this information in S32K-DS.pdf : S32K1xx Data Sheet Rev.14,08/2021

5.3 DC electrical specifications at 3.3 V Range.

Senlent_0-1658455562809.png

5.4 DC electrical specifications at 5.0 V Range.

Senlent_1-1658455680184.png

 

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lihui1
Contributor II

So it's not current-limiting resister ? It's pullup/pulldown resistor? 

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Senlent
NXP TechSupport
NXP TechSupport

yes

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lihui1
Contributor II

and a liitle more question we want to know:

If GPIO used as input,  has this resister there on the input circuit?

It seems like input current will flow through this resistor as below

37f25c5c6e00de5e1507209b8fb96dc.jpg

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lihui1
Contributor II

OK!  Thank you!

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