i2c clock stretching

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i2c clock stretching

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GaikarPratik111
Contributor I

Hi Team,

We used S32K118 controller to interface with one off haptic driver Ic, over i2c we seen some clock stretching in signal. during the address byte send or in between data send also . we are not know this issue is due to what can you please help us to get some solution.

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_Leo_
NXP TechSupport
NXP TechSupport

Hi,

Thank you so much for your interest in our products and for using our community.

We do not have an off haptic driver Ic to test your issue.

But what you can do is to choose an I2C clock speed slow enough to ensure all devices have enough processing time.

Maybe the master tries to read data from a slave, but the slave needs more time to prepare the data. Or the master is writing data, but its transmit buffer hasn't been filled yet.

Hope it helps you.

Have a nice day!

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