MAX9406
Production
The MAX9406 high-speed, low-skew, quad differential input to current-mode logic (CML) translator features high-speed signal conversion of the DisplayPort...
Datasheet
MAX9406 on Analog.com
Hello Team,
I am using MAX9406ETJ+ (DisplayPort to DVI/HDMI Level Shifter) for Dual Mode-Diplay Port (DP++) to HDMI Conversion.
As per Application Notes (APPLICATION NOTE 4313), the output signals (i.e., TMDS signal (OUT_D4 & OUT_D2 pairs)) to be swapped like the following order as,
Input: D4 D3 D2 D1 &
Output : D2 D3 D4 D1.
From the above, It is observed that TMDS Pair D4 & D2 got swapped for HDMI Conversion at Output side.
Is it, The output of Signals (TMDS pair D4 & D2) to swapped for DP to HDMI Conversion?
Kindly do the needful,
Note: Application Note Image is attached herewith
Regards,
Prabakaran P
HI,
Is it, The output of Signals (TMDS pair D4 & D2) to swapped for DP to HDMI Conversion?
Yes, As per the application note Video Display Signals and the MAX9406 DP-HDMI/DVI Level Shifter—Part II - Application Note - Maxim (analog.com) the lane 0 through lane 2 of the DP are mapped to channels 2 through 0 on the HDMI plug; lane 3 is mapped to the clock channel. Notice that signal parities are matched on corresponding channels.
Thanks,
Poornima
Hello Poornima,
Thanks for your quick response.
I have followed the same in my design.
Can you explain the reason behind the swapping of DP signals for HDMI/DVI conversion. (Apart from application Note).
I couldn't find anywhere as i surfed in online source.
Regards,
Prabakaran P
Hello Poornima,
Thanks for your quick response.
I have followed the same in my design.
Can you explain the reason behind the swapping of DP signals for HDMI/DVI conversion. (Apart from application Note).
I couldn't find anywhere as i surfed in online source.
Regards,
Prabakaran P