AnsweredAssumed Answered

AD9889B HDMI output 1080P60Hz problem

Question asked by psychecn on Oct 13, 2012
Latest reply on Oct 29, 2012 by GuenterL

Hello,

 

I have a problem with AD9889b to transmit 1080p60.

Now AD9889b can be sucessfully transmitting 720p60 and 1080p30.

but the problem appeared in  transmit 1080p60 to monitors.

It have some AD9889b appear problem after connect monitors  display properly .

Wait a minute the monitors will displays a black,after one or two second monitors  display properly again.

Then been displayed the normal.

Not all AD9889b have the problem.

here is the write to AD9889b registers value.

{

R0x41=0x10;

R0x17=0x12;

R0x45=0x00;

R0x0A=0x00;

R0x98=0x03;

R0x9C=0x38;

R0x9D=0x61;

R0xA2=0x87;

R0xA3=0x87;

R0xBB=0xFF

}

I not using HDCP.

Has anyone an idea why this happens ?

many thanks

ivan

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