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©
2017
congatec
GmbH
TA50m19
55/70
Signal
Pin # Description
I/O
PU/PD Comment
C32
Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
I/O PCIE
PD 100k
DP2_AUX-
C33
Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
I/O PCIE
PU 100k
3.3V
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 PCIE
DP
DP3_LANE2-
C46
C47
Uni-directional main link for the transport of isochronous streams and secondary data.
Multiplexed with DDI and DDI3_PAIR2-.
O PCIE
DP
DP3_LANE1-
C42
C43
Uni-directional main link for the transport of isochronous streams and secondary data.
Multiplexed with DDI and DDI3_PAIR1-.
O PCIE
DP
DP3_LANE0-
C39
C40
Uni-directional main link for the transport of isochronous streams and secondary data.
Multiplexed with DDI and DDI3_PAIR0-.
O PCIE
DP3_HPD
C44
Detection of Hot Plug / Unplug and notification of the link layer.
Multiplexed with DDI3_HPD.
I 3.3V
PD 100k
C36
Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
I/O PCIE
PD 100k
DP3_AUX-
C37
Half-duplex bi-directional AUX channel for services such as link configuration or
maintenance and EDID access.
I/O PCIE
PU 100k
Note
The third DP interface is not available if LVDS is used.
Table 19 CRT Signal Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
VGA_RED
B89
Red for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent load.
O Analog
Not supported by default
VGA_GRN
B91
Green for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent load.
O Analog
VGA_BLU
B92
Blue for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent load.
O Analog
VGA_HSYNC
B93
Horizontal sync output to VGA monitor
O 3.3V
VGA_VSYNC
B94
Vertical sync output to VGA monitor
O 3.3V
VGA_I2C_CK
B95
DDC clock line (I²C port dedicated to identify VGA monitor capabilities)
I/O OD 5V
VGA_I2C_DAT B96
DDC data line.
I/O OD 5V
Note
The optional VGA interface requires a customized variant.