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SPDIF_SF[3:0] register issue(ADV7625)

Question asked by Kikka2 on Mar 29, 2018
Latest reply on Mar 30, 2018 by PoornimaSubramani



We have a problem with ADV7625, could you help us?



Audio input  :   input to R17(P15/AP2_IN0)

Format : SPDIF

Platform: EVAL-ADV7625-SMZ



It seems there is no problem with visual and audio. Audio data by SPDIF can be heard clearly.

But SPDIF_SF[3:0] register that can indicate sampling frequency from SPDIF doesn't seem to be read correctly(always 0).



What should we check?

Do we need something special settings?


Your advice would be most appreciated.


Best regards.