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Table 19 DisplayPort (DP) Signal Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
DP
DP1_LANE3-
D36
D37
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI1_PAIR3-
O DP
DP
DP1_LANE2-
D32
D33
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI1_PAIR2-
O DP
DP
DP1_LANE1-
D29
D30
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI1_PAIR1-
O DP
DP
DP1_LANE0-
D26
D27
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI1_PAIR0-
O DP
DP1_HPD
C24
Detection of Hot Plug / Unplug and notification of the link layer
Multiplexed with DDI1_HPD
I 3.3 V
PD 100 kΩ
D15
Half-duplex bi-directional AUX channel for services such as link configuration
or maintenance and EDID access
I/O DP
PD 100 kΩ
DP1_AUX-
1
D16
Half-duplex bi-directional AUX channel for services such as link configuration
or maintenance and EDID access
I/O DP
PU 100 kΩ
3.3 V
DP1_AUX- is a bootstrap signal (see note below).
DP enable strap is already populated
DP
DP2_LANE3-
D49
D50
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI2_PAIR3-
O DP
DP
DP2_LANE2-
D46
D47
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI2_PAIR2-
O DP
DP
DP2_LANE1-
D42
D43
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI2_PAIR1-
O DP
DP
DP2_LANE0-
D39
D40
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI1_PAIR0-
O DP
DP2_HPD
D44
Detection of Hot Plug / Unplug and notification of the link layer
Multiplexed with DDI2_HPD
I 3.3 V
PD 100 kΩ
C32
Half-duplex bi-directional AUX channel for services such as link configuration
or maintenance and EDID access
I/O DP
PD 100 kΩ
DP2_AUX-
1
C33
Half-duplex bi-directional AUX channel for services such as link configuration
or maintenance and EDID access
I/O DP
PU 100 kΩ
3.3 V
DP2_AUX- is a bootstrap signal (see note below).
DP enable strap already populated
DP
DP3_LANE3-
C49
C50
Uni-directional main link for the transport of isochronous streams and
secondary data
Multiplexed with DDI and DDI3_PAIR3-
O DP