
3.2.10 High-Definition-Multimedia-Interface (HDMI) Interface
The ULP-COM sA3874i module supports a single HDMI interface with a resolution up to 1920x1080 pixels.
HDMI signals are exposed on the ULP-COM sA3874i edge connector as shown below:
ULP-COM sA3874i Edge finger
HDMI Differential Signals
HDMI
Differential
Data pair
0 output
HDMI
Differential
Data pair 1
output
HDMI
Differential
Data pair 2
output
HDMI
Differential
clock output
HDMI Hot Plug
Detect input
The Carrier board must provide voltage translation for the DDC and HPD signals, as well as ESD protection on all
the HDMI signals. The Carrier board ESD protection is important as HDMI is a hot-pluggable interface. A device
such as the Texas Instruments TPD12S016 is recommended. The Kontron ULP-COM Evaluation Board schematic
(KAI 501-146) is useful as an implementation example.
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