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EVAL-ADV7612-7511 EDID memory

Question asked by daisu on Dec 3, 2014
Latest reply on Dec 4, 2014 by GuenterL

Hello all,

 

We use EVAL ADV7612-7511.

24LCS22S_JP1 and JP2  of U34 are open in circuit design document(EVAL-ADV7612-7511_rev0p1_schems.pdf) P.5

 

Signal name DDCA_SDA and DDCA_SCL is used when these are connected to ADV7612 directly and image can be displayed correctively.

Image can be displayed even if 1-2 of JP1 and JP2 is conneted thorugh jumper pin.

 

Please let me know your advice.

1. is data communicated by ADV7612 DDCA_CLA and DDCA_SDA even if EDID memory is not used

2. Does we need EDID memory in the case of DVI connection ?

 

Regards,

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