[Arm-netbook] RGB/TTL interface selection, why in EOMA-68

Henrik Nordström henrik at henriknordstrom.net
Thu Nov 29 16:18:53 GMT 2012


tor 2012-11-29 klockan 14:26 +0000 skrev luke.leighton:

>  in the case of products with larger screens, we need to get the
> RGB/TTL signals only off the card and into the LVDS IC (dual or
> single).  it's not far.

It is very far, even if a short distance. Crossing two PCBs, contacts
and pins. Many reflection sources, impedance changes and possible lane
alignment errors and interference sources.

Regards
Henrik




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