Embedian, Inc.
129
SMARC-iMX8MM Computer on Module User’s Manual
v. 1.2
SMARC
Edge
Finger
NXP
i.MX8M
Mini
CPU
Type
Description
Pin#
Pin
Name
Ball
Mode
Signal
Name
P136
SER2_TX
B7
ALT1
ECSPI1_TXD__
UART3_DCE_TX
Asynchronous
serial
port
data
out
P137
SER2_RX
D6
ALT1
ECSPI1_SCLK__
UART3_DCE_RX
Asynchronous
serial
port
data
in
P138
SER2_RTS#
A7
ALT1
ECSPI2_MOSI__
UART3_DCE_CTS_
B
Request
to
Send
handshake
line
for
SER2
P139
SER2_CTS#
B6
ALT1
ECSPI2_SCLK__
UART3_DCE_RTS_
B
Clear
to
Send
handshake
line
for
SER2
P140
SER3_TX
AG6
ALT4
SAI3_TXC__
UART2_DCE_TX
O
Asynchronous
serial
port
data
out
P141
SER3_RX
AC6
ALT4
SAI3_TXFS__
UART2_DCE_RX
I
Asynchronous
serial
port
data
in
P142
GND
P
Ground
P143
CAN0_TX
O
CAN0
Transmit
output
from
MCP2515T
P144
CAN0_RX
I
CAN0
Receive
input
from
MCP2515T
P145
CAN1_TX
O
CAN1
Transmit
output
from
MCP2515T
P146
CAN1_RX
I
CAN1
Receive
input
from
MCP2515T