GPIO Slew Rate for KL03

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GPIO Slew Rate for KL03

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McLuhan
Contributor II

Hello,

I'm trying to setup my first project with MCUXpresso with MKL03Z4 SDK.

Using the pin configuration I found that some ports, configured as digital output, have a slow slew rate as default, other ones have a fast slew rate.

GPIO slew rate.png

There's a way to align the slew rate for all the outputs?

In the manual of the MCU I found these specs:

slew rate 2.png

It could be a solution to set the slew rate to "no init" to all the outputs? 

I thank you for your help!

MC

 

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ErichStyger
Senior Contributor V

It really depends on the device, and on the pins. To my knowledge you can change or affect the slew range for some pins, but not for all.

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ErichStyger
Senior Contributor V

'no init' simply means that it does not get changed/initialized after reset, so it keeps the setting out of reset.

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McLuhan
Contributor II

Thank you ErichS.

So it seems that the slew rate is a factory setting that it is not possible to be changed.

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ErichStyger
Senior Contributor V

It really depends on the device, and on the pins. To my knowledge you can change or affect the slew range for some pins, but not for all.

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