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DDC line of ADV7511W seems to be out of I2C spec.

Question asked by Tamu on Apr 21, 2015
Latest reply on May 6, 2015 by Tamu

Hello,

 

I have some questions about DDC line of ADV7511W.

Please see attached file.

 

DDC line of ADV7511W seems to be out of I2C spec.

The I2C spec is TSU;STA : 4.7us[min].

 

Question 1:
Could you tell us the workaround for meeting the SPEC “TSU;STA : 4.7us[min]”?
The customer’s board has already fixed completely, so they can not change the pull-up registers.
So they want the workaround except changing the pull-up registers.

 

Question 2:
Why doesn’t DDC of ADV7511W meet I2C spec?
What do you think?

 

Please see attached file for more detail.

 

Thank you.

Best regards.


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