5 dp connector, 1 display mode selection, 2 power output modification for hdmi – ADLINK ETX-BT User Manual

Page 32: Display mode selection, Power output modification for hdmi

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Page 32

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

11 DP_LANE3+ / TMDS1_CLK+

2

DP_LANE0+ / TMDS_DATA2+ 12 DP_LANE3- / TMDS1_CLK-

3

DP_LANE0- / TMDS_DATA2-

13 CONFIG1

4

GND

14 CONFIG2 (not used)

5

DP_LANE1+ / TMDS_DATA1+ 15 GND

6

DP_LANE1- / TMDS_DATA1-

16 DP_AUX+ / HMDI1_CTRLCLK (3.3V !)

7

GND

17 DP_AUX- / HMDI1_CTRDATA (3.3V !)

8

DP_LANE2+ / TMDS_DATA0+ 18 GND

9

DP_LANE2- / TMDS_DATA0-

19 DP_HPD# / HDMI_HPD# !!

10 GND

20 + DP_PWR only (3.3V)

11 DP_LANE3+ / TMDS1_CLK+

21 + DP_PWR only (3.3V)

12 DP_LANE3- / TMDS1_CLK-

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

1 22

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