Seco Smarc CSM-B79 User Manual page 44

DDI0_CTRLCLK_AUX+/DDI0_CTRLDATA_AUX-: SMARC
for TMDS
DDI0_HPD: DDI Interface #0 Hot Plug Detect. This signal is tied to GND through a
DDI0_DDC_AUX_SEL: DDI Interface #0 Cable Adapter Detect signal. When this signal is detected high, then on the connector there is the TMDS interface (it means
that a DP-to-HDMI adapter is connected). This signal is tied to GND through a 1MOhm resistor. Please refer to CN76 jumper for detailed description.
DDI0_CEC: this signal is tied to GND through a 5.1MOhm resistor
DD0_PWR: Power voltage reference for DisplayPort, directly derived from +3.3V_RUN through a current limited power switch
CSM-B79
CSM-B79 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author: A.R - Reviewed by S.R. - Copyright © 2021 SECO S.p.A.
®
module DDI Interface #0, Auxiliary channel for Display Port (differential pair) or DDC Clock and Data Line
resistor
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