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Table 24
DDI Signal Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
DDI
DDI0_PAIR0-
B71
B72
Digital Display Interface 0 Pair 0 differential pairs
O DP
Only DP++ option, no SDVO
DDI
DDI0_PAIR1-
B73
B74
Digital Display Interface 0 Pair 1 differential pairs
O DP
Only DP++ option, no SDVO
DDI
DDI0_PAIR2-
B75
B76
Digital Display Interface 0 Pair 2 differential pairs
O DP
Only DP++ option, no SDVO
DDI
DDI0_PAIR3-
B81
B82
Digital Display Interface 0 Pair 3 differential pairs
O DP
Only DP++ option, no SDVO
DDI0_HPD
B89
Digital Display Interface Hot Plug Detect
I 3.3V
PD 100k
DDI0_CTRL B98
DP AUX+ function if DDI1_DDC_AUX_SEL is no connect.
I/O
PD 100k @ DP mode
HDMI/DVI I2C CTRLCLK if DDI1_DDC_AUX_SEL is pulled high
I/O OD
3.3V
PU 5k 3.3V
@ HDMI/DVI mode
DDI0_CTRLDATA_AUX- B99
DP AUX- function if DDI1_DDC_AUX_SEL is no connect.
I/O
PU 100k 3.3V @ DP mode
HDMI/DVI I2C CTRLDATA if DDI1_DDC_AUX_SEL is pulled high
I/O OD
3.3V
PU 5k 3.3V
@ HDMI/DVI mode
DDI0_DDC_AUX_SEL
B95
Selects the function of DDI0_CTRL and DDI0_CTRLDATA_
AUX-. This pin shall have a IM pull-down to logic ground on the module.
If this input is floating, the AUX pair is used for the DP AUX+/- signals. If
pulled-high, the AUX pair contains the CTRLCLK and CTRLDATA signals.
I 3.3V
PD 1M
Note
DDI port enables DP 1.2 or HDMI 1.4b.
Table 25
DisplayPort (DP) Signal Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
DP
DP0_LANE0-
B71
B72
Uni-directional main link for the transport of isochronous streams and secondary data.
O DP
DP
DP0_LANE1-
B73
B74
Uni-directional main link for the transport of isochronous streams and secondary data.
O DP
DP
DP0_LANE2-
B75
B76
Uni-directional main link for the transport of isochronous streams and secondary data..
O DP
DP
DP0_LANE3-
B81
B82
Uni-directional main link for the transport of isochronous streams and secondary data.
O DP
DP0_HPD
B89
Detection of Hot Plug / Unplug and notification of the link layer.
I 3.3V
PD 100k
B98
Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
I/O
PD 100k
DP0_AUX-
B99
Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
I/O
PU 100k 3.3V