Embedian, Inc.
133
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
S35
USB4+
Differential
USB4
data
pair
(from
USB2514)
S36
USB4
‐
Differential
USB4
data
pair
(from
USB2514)
S37
USB3_VBUS_DET
Not
used
S38
AUDIO_MCK
AD19
ALT0
SAI2_MCLK__
SAI2_MCLK
O
Master
clock
output
to
Audio
codecs
S39
I2S0_LRCK
AD23
ALT0
SAI2_TXFS__
SAI2_TX_SYNC
IO
Left&
Right
audio
synchronization
clock
S40
I2S0_SDOUT
AC22
ALT0
SAI2_TXD0__
SAI2_TX_DATA0
O
Digital
audio
Output
S41
I2S0_SDIN
AC24
ALT0
SAI2_RXD0__
SAI2_RX_DATA0
I
Digital
audio
Input
S42
I2S0_CK
AD22
ALT0
SAI2_TXC__
SAI2_TX_BCLK
IO
Digital
audio
clock
S43
ESPI_ALERT0#
Not
used
S44
ESPI_ALERT1#
Not
used
S45
RSVD
Not
used
S46
RSVD
Not
used
S47
GND
G
Ground