Embedian SMARC-iMX8M Series, User Manual, Page: 73 / 174

Embedian, Inc.
73
SMARC-iMX8M Computer on Module User’s Manual v.1.0
Note:
SGTL5000 I2S audio codec is used in EVK‐STD‐CARRIER‐S20 evaluation
carrier board.
2.1.14.1 I2S Signals
Edge Golden
Finder
Signal Name
Direction Type
Tolerance
Description
AUDIO_MCK Output CMOS
1.8V Master clock output to Audio codecs
I2S0 Signals
I2S0_LRCK Bi‐Dir CMOS
1.8V Left& Right audio synchronization clock
I2S0_SDOUT Output CMOS
1.8V Digital audio Output
I2S0_SDIN Input CMOS
1.8V Digital audio Input
I2S0_CK Bi‐Dir CMOS
1.8V Digital audio clock
I2S2 Signals
I2S2_LRCK Bi‐Dir CMOS
1.8V Left& Right audio synchronization clock
I2S2_SDOUT Output CMOS
1.8V Digital audio Output
I2S2_SDIN Input CMOS
1.8V Digital audio Input
I2S2_CK Bi‐Dir CMOS
1.8V Digital audio clock