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TI Home » TI E2E Community » Support Forums » Digital Signal Processors (DSP) » DaVinci™ Video Processors » DM814x and AM387x Processors Forum » DM814x NTSC
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DM814x NTSC

This question is not answered
Yasunori Sasaki
Posted by Yasunori Sasaki
on Feb 27 2012 23:29 PM
Prodigy20 points

Champs

I use TV_OUT0 pin of DM8148 as the composite output.

A setup level of 7.5IRE appears in a black level when I watch NTSC signal.

Because the black level of the Japanese NTSC signal is 0IRE, I want to change it, but the way of the change is not listed even if I watch a data sheet and a reference manual.

How should I change it?

Thanks and Regards

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  • Steve Clynes
    Posted by Steve Clynes
    on Feb 28 2012 17:08 PM
    Mastermind22920 points

    I am not sure if there is a 'correct' way to do this but you can try writing directly to the hardware.

    I am not able to check this at the moment but try setting register 0x48105eb4 = 0x000

    BR,

    Steve

    Please mark this post as answered via the Verify Answer button below if you think it answers your question.  Thanks!

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  • Yasunori Sasaki
    Posted by Yasunori Sasaki
    on Mar 01 2012 00:01 AM
    Prodigy20 points

    Steve

    Thanks for your reply,

    I'll try it.

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