How to access PTA2 and PTA3 pins for I2C communication on FRDM-KE02Z board?

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How to access PTA2 and PTA3 pins for I2C communication on FRDM-KE02Z board?

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Contributor I

The board uses PTA2 and PTA3 for I2C communications, but both of these pins are already used by the on-board accelerometer. PTB6 and PTB7 are the other options, but they are running an on-board clock. How can I use I2C communication on this board if all the allocated pins are already used by on-board components?

Please don't yell at me. I'm an intern.

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2 Replies

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NXP TechSupport
NXP TechSupport

Hi Matthew Stagg,

      

Have a great day,

Jingjing

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Specialist V

Hi Matthew

I2C is a bus that can have many devices on it so the fact that the accelerometer is connected to PA2 and PA3 don't restrict you from using the same bus lines for furter devices with difference addresses.

Regards

Mark

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