Kontron COMe-bHL6 Instrukcja Użytkownika Pobierz pdf (Strona 55)

COMe-bHL6 / Features and Interfaces

DDI Design Consideration

» For sufficient signal quality baseboard designs with long signal lanes or impedance leaps may require an Equalizer

or Re-driver for the digital display interfaces

» DDI hot-plug detection is high active

» DisplayPort can be used directly or with external adapters for HDMI, DVI or VGA

» HDMI or DVI usage on a baseboard requires a level shifter

Find more details for DDI usage as DisplayPort, HDMI or DVI with schematic examples

available on http://emdcustomersection.kontron.com

DVI-I Design Topology

DVI-I is supported on PCH Digital Display Port B (COM DDI1) only. The implementation involves routing VGA and DVI-D

signals to DVI-I connector:

» VGA port RGB signals should be routed to Analog RGB pins on the DVI-I connector

» DVI Data and Clock signals on PCH Digital Display Port B should be routed to TMDS Data 0, 1 and 2 pins and TMDS

Clock pin of DVI-I connector respectively

» DVI HPD signals should be routed to the HPD pin of the DVI-I connector

» DVI DDC Clock and Data signals on PCH Digital Display Port B should be routed to the DDC Clock and Data pins of the

DVI-I connector.

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Kontron COMe-bHL6 Instrukcja Użytkownika Strona 55