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ADV7842-5 has no HDCP keys as if it is ADV7842-5P. How is this possible? We have working ADV7842-5 with HDCP keys and non-working ones without HDCP keys from the same batch.

Question asked by timbrooksbank on Oct 25, 2017
Latest reply on Nov 7, 2017 by DerekBurke

ADV7842-5 has no HDCP keys as if it is ADV7842-5P. How is this possible? We have working ADV7842-5 with HDCP keys and non-working ones without HDCP keys from the same batch.

 

We've verified this by checking the HDCP registers and behaviour of failing ADV7842-5, they contain no HDCP keys.

 

NB: We are part of the Taiwanese electronics group Coretronic, we are HDCP licensees.

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