ADLINK Technology intel COM Express Express-TL User Manual page 48

Express-TL User's Guide
4.4.4.1. DisplayPort (DP) Mode
Name Pin #
DP2_LANE0+ D39
DP2_LANE0- D40
DP2_LANE1+ D42
DP2_LANE1- D43
DP2_LANE2+ D46
DP2_LANE2- D47
DP2_LANE3+ D49
DP2_LANE3- D50
DP2_HPD D44
DP2_AUX+ C32
DP2_AUX- C33
DDI2_DDC_AUX_SEL C34
Page 48
Description
DP Port 2, differential pair data lines
DP Port 2, detection of Hot Plug / Unplug and
notification of the link layer
DP Port 2, Bidirectional Channel used for Link
Management and Device Control
DP Port 2, Bidirectional Channel used for Link
Management and Device Control
Strapping Signal to select HDMI or DP output
1M pull-down to logic ground enables HDMI
Floating enables DisplayPort mode
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I/O PU / PD Comment
O PCIE AC coupled off Module
100 nF DC blocking capacitors shall be placed on
the Carrier
I 3.3V PD 100K Module must tolerate high level in stand-by mode.
The carrier board shall include a blocking FET on
DP1_HPD to prevent back-drive current from
damaging the Module.
I/O PCIE PD 100K AC coupled on Module
I/O PCIE PU 100K AC coupled on Module
I 3.3V PD 1M DP mode enabled
PICMG COM.0 R3.0