Table 24 Ddi Signal Descriptions; Table 25 Displayport (Dp) Signal Descriptions - Congatec COM Express conga-MA5 User Manual

Table 24 DDI Signal Descriptions
Signal Pin # Description
DDI0_PAIR0+ B71 Digital Display Interface 0 Pair 0 differential pairs
DDI0_PAIR0- B72
DDI0_PAIR1+ B73 Digital Display Interface 0 Pair 1 differential pairs
DDI0_PAIR1- B74
DDI0_PAIR2+ B75 Digital Display Interface 0 Pair 2 differential pairs
DDI0_PAIR2- B76
DDI0_PAIR3+ B81 Digital Display Interface 0 Pair 3 differential pairs
DDI0_PAIR3- B82
DDI0_HPD B89 Digital Display Interface Hot Plug Detect
DDI0_CTRLCLK_AUX+ B98 DP AUX+ function if DDI1_DDC_AUX_SEL is no connect.
HDMI/DVI I2C CTRLCLK if DDI1_DDC_AUX_SEL is pulled high
DDI0_CTRLDATA_AUX- B99 DP AUX- function if DDI1_DDC_AUX_SEL is no connect.
HDMI/DVI I2C CTRLDATA if DDI1_DDC_AUX_SEL is pulled high
DDI0_DDC_AUX_SEL B95 Selects the function of DDI0_CTRLCLK_AUX+ 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.
Note
DDI port enables DP 1.2 or HDMI 1.4b.
Table 25 DisplayPort (DP) Signal Descriptions
Signal Pin # Description
DP0_LANE0+ B71 Uni-directional main link for the transport of isochronous streams and secondary data.
DP0_LANE0- B72
DP0_LANE1+ B73 Uni-directional main link for the transport of isochronous streams and secondary data.
DP0_LANE1- B74
DP0_LANE2+ B75 Uni-directional main link for the transport of isochronous streams and secondary data..
DP0_LANE2- B76
DP0_LANE3+ B81 Uni-directional main link for the transport of isochronous streams and secondary data.
DP0_LANE3- B82
DP0_HPD B89 Detection of Hot Plug / Unplug and notification of the link layer.
DP0_AUX+ B98 Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
DP0_AUX- B99 Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
Copyright © 2017 congatec AG
I/O PU/PD
O DP
O DP
O DP
O DP
I 3.3V PD 100k
I/O PD 100k @ DP mode
I/O OD PU 5k 3.3V
3.3V @ HDMI/DVI mode
I/O PU 100k 3.3V @ DP mode
I/O OD PU 5k 3.3V
3.3V @ HDMI/DVI mode
I 3.3V PD 1M
I/O
O DP
O DP
O DP
O DP
I 3.3V
I/O
I/O
MA50m17
Comment
Only DP++ option, no SDVO
Only DP++ option, no SDVO
Only DP++ option, no SDVO
Only DP++ option, no SDVO
PU/PD Comment
PD 100k
PD 100k
PU 100k 3.3V
48/60