MCF51QE128 I2C Clock Stretching

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MCF51QE128 I2C Clock Stretching

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ahoysala
Contributor I

For a particular project, I use an MCF51QE128 working on a board as a IIC slave. I would like to know how to implement "i2c clock stretching". The master I use is built on MCF52233 and I do not want to provide delays here just to get good information from my slave MCF51QE128, I would like this chip to slow down the master instead. Is there any solution to this?

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Chethu
Contributor I

May be keeping the IIF flag uncleared in the slave ISR keeps the clock held low, and when the interrupt is cleared the clock will be released.

I am not sure about this but logically this should work fine.

Please let me know if my understanding is wrong.

 

Thanks & Regards,

Chethu 

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