Table 17 Hdmi Signal Descriptions - Congatec COM Express conga-TCA7 User Manual

Signal Pin Description
DDI2_DDC_AUX_SEL C34 Selects the function of DDI2_CTRLCLK_AUX+ and DDI2_CTRLDATA_AUX-
This pin shall have a 1M 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
DDI3_PAIR0+ C39 Multiplexed with DP3_LANE0+ and TMDS3_DATA2+
DDI3_PAIR0- C40 Multiplexed with DP3_LANE0- and TMDS3_DATA2-
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
Table 17 HDMI 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
Multiplexed with DDI1_CTRLCLK_AUX+
HDMI1_CTRLDATA D16 HDMI/DVI I
Multiplexed with DDI1_CTRLDATA_AUX-
Copyright © 2021 congatec GmbH
C Control Clock
2
2 C Control Data
I/O
I 3.3V
O PCIE
O PCIE
O PCIE
O PCIE
I 3.3 V
I/O PCIE
I/O OD 3.3 V
I/O PCIE
I/O OD 3.3 V
I 3.3 V
I/O PU/PD
O PCIE
O PCIE
O PCIE
O PCIE
I PCIE PD 1 MΩ
I/O OD 3.3 V PD 100 kΩ
I/O OD 3.3 V PU 100 kΩ
3.3V
TA70m01
PU/PD Comment
PD 1 MΩ
Not supported
Not supported
Not supported
Not supported
Not supported
Not supported
Not supported
Not supported
Comment
50/67