I.MX6Q HDMI Output!

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I.MX6Q HDMI Output!

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tommyduan
Contributor III
  • We are now designing an HDMI output to connect to the TV,We found that HDMI devices could not be detected by TV if the connection was made with HDMI wires about 5m in length!When I use 2m length, TV can detect it! Is chip drive ability insufficient?Or which software or hardware parameters can be modified?How far can our chip connect to HDMI output?

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi tommy

one can look on

How to adjusting HDMI strength 

recheck hdmi layout recommendations given in  i.MX6 System Development User’s Guide

https://www.nxp.com/docs/en/user-guide/IMX6DQ6SDLHDG.pdf

sect.4.2.3.2 Reference Cable Equalizer HDMI specification, terminations and measure Eye Diagram

at receiver end.

May be useful AN4671 i.MX 6 Series HDMI Test Method

http://cache.freescale.com/files/32bit/doc/app_note/AN4671.pdf 

Best regards
igor
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tommyduan
Contributor III

Thanks fou your reply!

I have a question, after the I.MX6 processor is connected to the TV, how is the HDMI output resolution set?What is the output based on what?

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