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AURIX™ Forum Discussions

Darkrai
Level 1
Level 1
5 sign-ins First like given First reply posted

What should be the pull Up values for the HWCFG pins, The pull down was mentioned to be below 4.7k, it is same for pull up resistors for the HWCFG pins as well?

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Nambi
Moderator
Moderator
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First like given 25 likes received 50 solutions authored

Hi,

1. Could you let us know the device under discussion? (eg: TC275, TC397)

2. Are you referring to the internal or external pull-up?

3. Which document and section are being referenced for the below statement?
"The pull down was mentioned to be below 4.7k"

Best Regards.

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Darkrai
Level 1
Level 1
5 sign-ins First like given First reply posted

Hello,

Apologies for not providing the entire background.

1. The device under discussion is Aurix TC397XX.

2. External Pull Up.

3. "TC2xx hardware design guide" this was the document I was looking into.  

Darkrai_0-1670389293711.png

I have also added the screen shot from the design guide.

Thanks!

 

 

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Prudhvi
Moderator
Moderator
Moderator
50 solutions authored 250 sign-ins 10 likes given

Hello,

For external pull-up a value higher than 4.7K can be used without any issue.

Regards,

Prudhvi.

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