AnsweredAssumed Answered

ADV7619 VS, HS, DE timing shift

Question asked by AkiraO on Apr 9, 2018
Latest reply on May 24, 2018 by AkiraO

Hello,

 

I received a question about timing shift issue of VS, HS and DE as LLC from our customer. Could you please support us?

 

According to the customer, the issue was occurred specific conditions. The conditions are following,

    OP_FORMAT_SEL : 0x96 and 0x54.  (didn't occur at 0x42 and 0x85)

    DVDD : 1.77V or low. It depends on the input picture pattern. high resolution case : 1.77V, color bar signal case : 1.75V.

  and/or

    Temperature : low temperature ( 0 deg C or low).

 

 

Could you please advise me the cause and any countermeasures for improving this problem?

 

Best regards,

Akira

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