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ADV7441 VGA信号抖动~~~~

greentea 在 2013-6-19 詢問的問題
最後回覆由adi_angela於2013-6-20提供

配置7441采集 1680*1050P60的信号,但是采集的视频有抖动现象。视频见附件

 

配置如下:


write_add(0x03,0x9)

write_add(0x4,0x4F);

write_add(0x05,0x2);

write_add(0x06,0x07);

 


write_add(0x1D,0x40);

write_add(0x3C,0xA8);

 


write_add(0x68,0xF0);//ypbpr out

write_add(0x6B,0xF3);//write_add(0x6B,0xE3);//mode6

 


write_add(0x6A,0x68);//write_add(0x6A,0x40);

//write_add(0x7F,0x80);

write_add(0x7B,0x2F);//Outputs progressive timing

write_add(0x81,0xD0);//Enable GR_AV_BL_EN

 


write_add(0x8A,0xf0);

 


write_add(0xED,0x14);

write_add(0xF4,0xFf);

write_add(0x85,0x3);





write_add(0x87,0xE8);//



write_add(0x88,0xc0);///



write_add(0x8F,0x1);//



write_add(0x90,0xb6);//



write_add(0xAB,0x44);//



write_add(0xAC,0x10);//

write_add(0x91,0x10);

 

红色部分是我认为可能与抖动有关的寄存器,但是我配置后都没有效果。

请专家帮忙分析一下!!

谢谢~~~

附件

結果