Table 31 Hdmi/Dvi Signal Descriptions - Congatec COM Express conga-TR4 User Manual

Signal Pin # Description
DDI3_PAIR1+ C42 Multiplexed with DP3_LANE1+ and TMDS3_DATA1+.
DDI3_PAIR1- C43 Multiplexed with DP3_LANE1- and TMDS3_DATA1-.
DDI3_PAIR2+ C46 Multiplexed with DP3_LANE2+ and TMDS3_DATA0+.
DDI3_PAIR2- C47 Multiplexed with DP3_LANE2- and TMDS3_DATA0-.
DDI3_PAIR3+ C49 Multiplexed with DP3_LANE3+ and TMDS3_CLK+.
DDI3_PAIR3- C50 Multiplexed with DP3_LANE3- and TMDS3_CLK-.
DDI3_HPD C44 Multiplexed with DP3_HPD and HDMI3_HPD.
DDI3_CTRLCLK_AUX+ C36 Multiplexed with DP3_AUX+ and HDMI3_CTRLCLK.
DP AUX+ function if DDI3_DDC_AUX_SEL is no connect.
HDMI/DVI I2C CTRLCLK if DDI3_DDC_AUX_SEL is pulled high
DDI3_CTRLDATA_AUX- C37 Multiplexed with DP3_AUX- and HDMI3_CTRLDATA.
DP AUX- function if DDI3_DDC_AUX_SEL is no connect.
HDMI/DVI I2C CTRLDATA if DDI3_DDC_AUX_SEL is pulled high.
DDI3_DDC_AUX_SEL C38 Selects the function of DDI3_CTRLCLK_AUX+ and DDI3_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
The DDI interfaces support dual-mode DisplayPort. To support HDMI/DVI, an external level shifter (PTN3360D) should be implemented on
the user's carrier board.
Table 31 HDMI/DVI Signal Descriptions
Signal Pin # Description
TMDS1_CLK + D36 HDMI/DVI TMDS Clock output differential pair.
TMDS1_CLK - D37 Multiplexed with DDI1_PAIR3+ and DDI1_PAIR3-.
TMDS1_DATA0+ D32 HDMI/DVI TMDS differential pair.
TMDS1_DATA0- D33 Multiplexed with DDI1_PAIR2+ and DDI1_PAIR2-.
TMDS1_DATA1+ D29 HDMI/DVI TMDS differential pair.
TMDS1_DATA1- D30 Multiplexed with DDI1_PAIR1+ and DDI1_PAIR1-.
TMDS1_DATA2+ D26 HDMI/DVI TMDS differential pair.
TMDS1_DATA2- D27 Multiplexed with DDI1_PAIR0+ and DDI1_PAIR0-.
HDMI1_HPD C24 HDMI/DVI Hot-plug detect. Multiplexed with DDI1_HPD.
HDMI1_CTRLCLK D15 HDMI/DVI I
HDMI1_CTRLDATA D16 HDMI/DVI I
Multiplexed with DDI1_CTRLDATA_AUX-
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C Control Clock. Multiplexed with DDI1_CTRLCLK_AUX+
2
C Control Data
2
I/O
O PCIE
O PCIE
O PCIE
I 3.3V
I/O PCIE
OD 3.3V
I/O PCIE
I/OD 3.3V
I 3.3V
I/O PU/PD Comment
O PCIE
O PCIE
O PCIE
O PCIE
I PCIE PD 100K
OD 3.3V PD 100K 2.2k to 3.3V Pull-up must be implemented on
the carrier board.
I/OD 3.3V PU 100K 2.2k to 3.3V Pull-up must be implemented on
3.3V the carrier board.
TR44m17
PU/PD Comment
PD 100K
PD 100k
PU 100k
PD 1M
57/65