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INTB interrupt behaviour in DS90UB925Q

Dear All,


I'm working with DS90UB925Q and I'm using the INTB for a very critical function. 

according to my understanding that INTB is triggered from the Deserializer when INTB_IN is low.

The question is if there is any other factors that might  trigger the INTB other than what I have mentioned above?


Since i have read this info below from the forums and I want to know more about INTB in  DS90UB925Q since nothing special is in datasheet.

''On HDCP compliant devices (such as DS90UH925Q-Q1), the INTB pin has additional interrupt sources that help with the authentication process.''


Regrds,

Ali Ahmad