Embedian, Inc.
33
SMARC-iMX8MM Computer on Module User’s Manual
v. 1.2
2.1.7
USB
Interface
The
Embedian
SMARC
‐
iMX8MM
module
supports
five
USB
2.0
ports
(
USB
0:4
).
A
Microchip
USB2514
is
used
to
expand
four
USB
2.0
ports
from
i.MX8M
Mini
USB2
2.0
Host
Port.
Per
the
SMARC
specification,
the
module
supports
a
USB
“
On
‐
The
‐
Go
”
(
OTG
)
port
capable
of
functioning
either
as
a
client
or
host
device,
on
the
SMARC
USB0
port.
The
following
figure
shows
the
USB
0:4
(USB2.0)
block
diagram.
Figure
3.
USB0
and
USB1
Block
Diagram
