HDMI 1.3 1000+ Hz Low Resolution

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subhagato

Junior Member
Apr 5, 2014
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Hi All,

Can we set HDMI speed to 1000+ Hz, but at a low custom resolution, so that I can transfer a small chunk of data at a very high speed?

PowerVR SGX545 of Intel Atom N2600 can do this?
And also Analog Devices ADV7611 can receive the content like this?
Can we put any custom EDID to accomplish this?

What is the best EDID editor to give custom resolution?
 

Ben90

Platinum Member
Jun 14, 2009
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You're going to have to write your own driver anyways if you want to send whatever you want over HDMI. Might as well just send the bytes directly instead of trying to pack them into a video signal.
 

sm625

Diamond Member
May 6, 2011
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I thought the speed was the same, whether the refresh rate is 60 Hz or 600Hz or 1000 Hz. Is that not how hdmi works?
 

Ben90

Platinum Member
Jun 14, 2009
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The speed in which the interface is set to is known as the pixel clock. It is equal to to total vertical resolution * horizontal * refresh rate. Keep in mind the actual resolution it is pushing out is larger than what your software uses because there is still some legacy blanking space. I'd imaging what the OP is thinking of is pushing a lot of 100 Kb sized packets through as fast as possible. Realistically though it doesn't really matter if your resolution is 100x100@10000Hz or 10000x10000@1Hz, the actual rate of date is the same. That's why I would drop the whole idea of using the HDMI interface to send "video as data" and just use it as a plain data cable.
 
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