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Considerations for using GPIO as I2C

Question asked by HY Jung on Jan 2, 2020
Latest reply on Jan 7, 2020 by lama

Dear All.

 

I am trying to implement I2C of PCA9955B using GPIO with 9S12P128-48pin.
Currently the clock of 9S12P128 uses 12MHz and I want to use 560kHz for I2C communication with GPIO.
Are there any considerations to implement and use it?

 

Thanks.

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