LEC-iMX8M User’s Guide
SGET SMARC Rev 2.1
Page 25
copyright © 2021 ADLINK Technology Inc.
4.3.2.1
HDMI
Name
Pin # Description
I/O
Type
I/O
Level
Power
Domain
PU /
PD
Comments
HDMI_D2-
HDMI_D1-
HDMI_D0-
P92
P93
P95
P96
P98
P99
HDMI port, differential pair data lines
O TMDS
HDMI
Runtime
AC coupled off module
HDMI_CK-
P101
P102
HDMI port, differential pair clock lines
O TMDS
HDMI
Runtime
AC coupled off module
HDMI_CTRL_CK
P105
I2C_CLK line dedicated to HDMI
O OD
COMS
1.8V
Runtime
PU 2.2
Level shifter FET and 5V PU resistor shall be placed
between the module and the HDMI connector.
HDMI_CTRL_DAT P106
I2C_DAT line dedicated to HDMI
I/O OD
COMS
1.8V
Runtime
PU 2.2K Level shifter FET and 5V PU resistor shall be placed
between the module and the HDMI connector.
HDMI_HPD
P104
HDMI Hot plug active high detection
signal that serves as an interrupt
request
I
CMOS
1.8V
Standby
Module must tolerate high level in stand-by mode
