ETX-BT
31
6.5 DP Connector
Connector Type:
Wurth WE 6871 2214 522
The DP connector brings out DDI1 port of the Intel Atom® SoC as either DP or HDMI/DVI
on a flat cable connector.
Pin Definitions
Pin Signal Description
(DP / HDMI)
Pin Signal Description
(DP / HDMI)
1
GND
12 DP_LANE3- / TMDS1_CLK-
2
D / TMD
13 CONFIG1
3
DP_LANE0- / TMDS_DATA2-
14 CONFIG2 (not used)
4 GND
15
GND
5
D / TMD
16 / HMDI1_CTRLCLK (3.3V !)
6
DP_LANE1- / TMDS_DATA1-
17 DP_AUX- / HMDI1_CTRDATA (3.3V !)
7 GND
18
GND
8
D / TMD
19 DP_HPD# / HDMI_HPD# !!
9
DP_LANE2- / TMDS_DATA0-
20 + DP_PWR only (3.3V)
10 GND
21 + DP_PWR only (3.3V)
11 D / TM
22 + DP_PWR only (3.3V)
6.5.1
Display Mode Selection
Display mode (DP or HDMI/DVI) can be selected by strapping pin 13 (CONFIG1).
Strapping should be done on the carrier as follows
-
Pull high to 3.3V (3VS0) for HDMI/DVI
-
Pull to GND for DisplayPort mode
6.5.2
Power Output Modification for HDMI
For HDMI/DVI output, pins 16, 17, should be converted to 5V (5VS0) on the carrier by
level shifters
For HDMI/DVI output, pins 20, 21, 22 should not be used but power should be sourced
from 5V (5VS0) rail on the carrier
1 22
