HWCFG Pull up value

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Darkrai
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10 questions asked 5 replies posted 5 questions asked

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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Prudhvi_E
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250 replies posted 100 solutions authored 25 likes received

Hello,

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

Regards,

Prudhvi.

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Nambi
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50 likes received 5 likes given 100 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
10 questions asked 5 replies posted 5 questions asked

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_E
Moderator
Moderator
Moderator
250 replies posted 100 solutions authored 25 likes received

Hello,

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

Regards,

Prudhvi.

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