Embedian, Inc.
51
SMARC-iMX8MM Computer on Module User’s Manual
v. 1.2
2.1.10.
MIPI/CMOS
Serial
Camera
Interface
(MIPI_CSI)
The
NXP®
i.MX8M
Mini
provides
connectivity
to
cameras
via
the
MIPI/CSI
‐
2
transmitter
and
maintains
image
manipulation
and
processing
with
adequate
synchronization
and
control.
The
Camera
Serial
Interface
(
CSI
)
controls
the
camera
port
and
provides
interface
to
an
image
sensor
or
a
related
device.
The
role
of
the
camera
ports
is
to
receive
input
from
video
sources
and
to
provide
support
for
time
‐
sensitive
signals
to
the
camera.
Non
‐
time
‐
sensitive
controls
such
as
configuration,
reset
are
performed
by
the
ARM
platform
through
I2C
interface
or
GPIO
signals.
The
SMARC
specification
defines
serial
and
parallel
camera
interface
on
the
same
pins.
We
can
either
implement
it
as
serial
or
parallel
camera
interfaces.
The
camera
interface
on
SMARC
‐
iMX8MM
is
designed
as
serial
interfaces
on
CSI1
pin
groups
that
can
support
4
lanes
providing
an
interface
between
the
system
and
the
MIPI
D
‐
PHY,
allowing
communication
with
an
MIPI
CSI
‐
2
compliant
camera
sensor.
The
4
‐
lane
MIPI
‐
CSI2
supports
5M
pixel
at
15
fps,
1080p30,
720p60,
VGA
at
60
fps
o
Maximum
bit
rate
of
1.5
Gbp.
