The eDP standard allows various connectors with 44/40/30/20 pins
So please contact us for more detail about the eDP connector you used.
Cell Phone: +86-158-8966-1771 Atten: Jacky
A specially designed eDP-to-DisplayPort cable is needed
because of the physical incompatibility of the eDP Tx and DisplayPort Rx
connectors. Since the eDP and DisplayPort standards are very similar, only a
passive cable is needed, no level shifting.
The DisplayPort connector has 20 pins, which include four differential lanes of
the main link, a differential auxiliary channel (AUX) for slow speed control,
Hot-Plug Detect signal (HPD), ground pins, CONFIG control pins, and two
power pins. The eDP connector has those and additional optional pins, like
brightness control, backlight and ambient light sensing. The eDP standard
allows various connectors with 44/40/30/20 pins. However, this paper
demonstrates only the 44-pin connector, since the others follow similar
principles. Another reason for showing the 44-pin connector is that it used on
Intel’s Customer Reference Boards (CRB).