ADLINK Technology intel COM Express Express-TL User Manual page 52

Express-TL User's Guide
4.4.5.2. HDMI Mode
Name Pin #
TMDS3_DATA2+ C39
TMDS3_DATA2- C40
C42
TMDS3_DATA1+
C43
TMDS3_DATA1-
C46
TMDS3_DATA0+
C47
TMDS3_DATA0-
TMDS3_CLK+ C49
TMDS3_CLK- C50
HDM3_HPD C44
HDMI3_CTRLCLK C36
HDMI3_CTRLDATA C37
DDI3_DDC_AUX_SEL C38
Page 52
Description
HDMI / DVI Port, Differential Pair Data Lines
HDMI Port, Differential Pair Clock Lines
Detection of Hot Plug / Unplug and notification of
the link layer
I2C_CLK Line for HDMI
I2C_DAT Line for HDMI
Strapping Signal to select HDMI or DP output
1M pull-down to logic ground enables HDMI Leve
this signal floating enables DisplayPort mode
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I/O PU / PD Comment
O PCIE AC coupled off Module
100 nF DC blocking capacitors shall be placed on
the Carrier
I 3.3V PD 100K
I/O PCIE PU 2.2K AC couple on Module
I/O PCIE PU 2.2K AC couple on Module
I 3.3V PD 1M HDMI mode enabled
PICMG COM.0 R3.0