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i.MX6UL un-powered pin stress

Question asked by Mamoru Kanou on Mar 5, 2017
Latest reply on Mar 5, 2017 by igorpadykov

Question about i.MX6UL concern with electric stress.


External I2C bus is always on. This bus is connected to i.MX6UL I2C pins (multiplex pin).

I2C voltage is keeping when i.MX6UL is completely power off status (all power off of i.MX6UL).

In this situation, Are there any electrical damage for i.MX6UL?

My customer feel nervous that i.MX6UL will lead to breakdown in this case.


If answer is yes, we should separate i.MX6's I2C bus when i.MX6UL is going to power off.


Best Regards,