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Altera_Forum
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17 years ago

Clocked video output

Hello I'm trying to use the Clocked Video Output IP with the SOPC builder I need to output a NTSC (4:3 525 lines) video with separate sync signals. To create the separate sync signals the wiz...
Altera_Forum's avatar
Altera_Forum
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17 years ago

Hello Nadeem!

Did you try setting the F Falling edge line to 1 instead of 4?

Also, you said you are using 2 symbols per beat, so that means the clocked video output is 16 bits wide right? 8 for Luma and 8 for chroma.

How did you connect it to the ADV7171?

It could be possible that the Luma and Chroma are switched and the ADV7171 wouldn't recognize the signal

You could also try to use 1 symbol per beat to avoid this problem.

Do you know if the hardware connection between the fpga and the ADV7171 is working?

Regards,

Thiago