MSPM0L1306: GPIO pull up/ down resistor typical variance

Munan Xu

Part Number: MSPM0L1306

Hello,

I have a customer looking for some general guidelines on the pull up/ down resistor strength. I know we quote a typical value, but can we give any more clarity on what a typical variance would be? Is it like 10%? 50?

Munan

over 2 years ago

0 Xiaodong LI over 2 years ago

TI__Mastermind 23105 points

Hi Munan

on hardware development, MSPM0 L-Series MCUs Hardware Development Guide (Rev. A) is the reference document.

besides some high accuracy resistor for example 100-kΩ ±0.1% 25-ppm on ROSC, I think the normal resistor should be OK for pull up/ down resistor. There is no special requirement.

Thanks

0 Munan Xu over 2 years ago in reply to Xiaodong LI

TI__Expert 5150 points

Hi Xiaodong,

I don't mean external resistors. In our data sheet we spec in section 7.10.1 a typical pull up and pull down resistance. Customer is asking what an expected or typical variance around that 40 kOhm is considered normal.

Munan

0 Xiaodong LI over 2 years ago in reply to Munan Xu

TI__Mastermind 23105 points

Hi Munan

Thanks for your detailed question! There is only the typical value of the pull up and pull down resistance,

The variance should be arround the typical value which is 40kOhm. But we can't garantee the variance.

Thanks!

+1 Xiaodong LI over 2 years ago in reply to Xiaodong LI

TI__Mastermind 23105 points

Hi Munan

I sent mail to you to discussion this topic.

If you can accept the mail, please kindly press "resolve button" on this thread

Thanks

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MSPM0L1306: GPIO pull up/ down resistor typical variance