Embedian SMARC-iMX8MM, User Manual

Page: 67 / 169

Embedian, Inc.
67
SMARC-iMX8MM Computer on Module User’s Manual
v. 1.2
Note:
SGTL5000 I2S audio codec is used in EVK ‐ STD ‐ CARRIER ‐ S20 evaluation
carrier board.
2.1.13.1 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