Table 18 Embedded Displayport Signal Descriptions - Congatec COM Express conga-TS175 User Manual

Signal Pin # Description
DP2_AUX- C33 Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
DP3_LANE3+ C49 Uni-directional main link for the transport of isochronous streams and secondary data.
DP3_LANE3- C50 Multiplexed with DDI3_PAIR3+ and DDI3_PAIR3-.
DP3_LANE2+ C46 Uni-directional main link for the transport of isochronous streams and secondary data.
DP3_LANE2- C47 Multiplexed with DDI3_PAIR2+ and DDI3_PAIR2-.
DP3_LANE1+ C42 Uni-directional main link for the transport of isochronous streams and secondary data.
DP3_LANE1- C43 Multiplexed with DDI3_PAIR1+ and DDI3_PAIR1-.
DP3_LANE0+ C39 Uni-directional main link for the transport of isochronous streams and secondary data.
DP3_LANE0- C40 Multiplexed with DDI3_PAIR0+ and DDI3_PAIR0-.
DP3_HPD C44 Detection of Hot Plug / Unplug and notification of the link layer.
Multiplexed with DDI3_HPD.
DP3_AUX+ C36 Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
DP3_AUX- C37 Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
Note
Some signals have special functionality during the reset process. They may bootstrap some basic important functions of the module. For more
information refer to section 9.2 "Boot Strap Signals".

Table 18 Embedded DisplayPort Signal Descriptions

Signal Pin # Description
eDP_TX3+ A81 eDP differential pairs
eDP_TX3- A82
eDP_TX2+ A71
eDP_TX2- A72
eDP_TX1+ A73
eDP_TX1- A74
eDP_TX0+ A75
eDP_TX0- A76
eDP_VDD_EN A77 eDP power enable
eDP_BKLT_EN B79 eDP backlight enable
eDP_BKLT_CTRL B83 eDP backlight brightness control
eDP_AUX+ A83 eDP AUX+
eDP_AUX- A84 eDP AUX-
eDP_HPD A87 Detection of Hot Plug / Unplug and notification of the link layer I 3.3V
Copyright © 2017 congatec AG
I/O PU/PD Comment
I/O PCIE PU 100k
3.3V
O PCIE
O PCIE
O PCIE
O PCIE
I 3.3V PD 1M
I/O PCIE PD 100k
I/O PCIE PU 100k
3.3V
I/O PU/PD
AC coupled off module
O 3.3V PD 10k
O 3.3V PD 10k
O 3.3V
AC coupled off module
AC coupled off module
TSKLm16
Boot strap signal (see note below)
Enable strap is already populated.
Boot strap signal (see note below)
Enable strap already populated
Comment
56/71