Embedian, Inc.
72
SMARC-iMX8MM Computer on Module User’s Manual
v. 1.2
2.1.15.
I2C
Interface
There
is
a
minimum
configuration
of
I2C
ports
up
to
a
maximum
of
5
ports
defined
in
the
SMARC
specification:
PM
(Power
Management),
LCD
(Liquid
Crystal
Display),
GP
(General
Purpose),
CAM0
(Camera
0),
and
CAM1
(Camera
1)
and
HDMI.
SMARC
‐
iMX8MM
does
not
have
HDMI
interface,
it
defines
five
out
of
the
six
I2C
buses
and
supports
multiple
masters
and
slaves
in
fast
mode
(400
KHz
operation).
All
I2C
interfaces
are
implemented
directly
from
NXP
i.MX8MM
processor
interfaces.
Figure
10.
I2C
Interface
Block
Diagram
