CVBS output

Osiander · 12-25-2017, 02:42 PM

Hello together,

what have I to do, if I want to activate CVBS video output instead of HDMI? I'm using Linux.

Many thanks.

**tllim** · 12-25-2017, 04:03 PM

(12-25-2017, 02:42 PM)Osiander Wrote: Hello together,

what have I to do, if I want to activate CVBS video output instead of HDMI? I'm using Linux.

Many thanks.

Just plugin CVBS cable to your composite TV, and need to unplug HDMI cable. If the HDMI cable still plug to HDMI TV, the ROCK64 board set HDMI output as default.

Osiander · 12-26-2017, 07:00 AM

That is very nice!
What is the resolution of CVBS? 720x576?

**tllim** · 12-26-2017, 12:26 PM

(12-26-2017, 07:00 AM)Osiander Wrote: That is very nice!
What is the resolution of CVBS? 720x576?

NTSC, 480i

Osiander · (This post was last modified: 12-27-2017, 02:29 AM by Osiander.)

What? Only NTSC? No PAL with 576i?

EDIT: I had a look into datasheet and it looks like RK3328 supports 576i and 480i. See page 11:

TV-Out Interface
[*]10-bit resolution DAC
[*]Composite (CVBS) output
[*]480i/576i standard definition output

omarhamdoun · 08-28-2018, 05:25 PM

Hi
I have rock64 but i haven't ay output on CVBS
how can I activate CVBS output
thanks

**tllim** · 09-02-2018, 10:50 PM

(08-28-2018, 05:25 PM)omarhamdoun Wrote: Hi
I have rock64 but i haven't ay output on CVBS
how can I activate CVBS output
thanks

On the stock Android, in order to have CVBS output, teh HDMI cannot be connected.

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