ADLINK Technology SMARC LEC-MTK-I1200 - I2 S Audio Interface

LEC-MTK-i1200 User’s Guide SGET SMARC Rev 2.1
Page 31 copyright © 2023 ADLINK Technology Inc.
4.4.3 I
2
S (Audio)
Name
Pin #
Description
I/O
Type
I/O
Level
Power
Domain
PU /
PD
Comments
I2S0_LRCK
S39
I2S0 Left & Right synchronization
clock
I/O
CMOS
1.8V
Runtime
Module Output if CPU acts in Master Mode
Module Input if CPU acts in Slave Mode
I2S0_SDOUT
S40
I2S0 Digital audio Output
O CMOS
1.8V
Runtime
I2S0_SDIN
S41
I2S0 Digital audio Input
I CMOS
1.8V
Runtime
I2S0_CK
S42
I2S0 Digital audio clock
I/O
CMOS
1.8V
Runtime
Module Output if CPU acts in Master Mode
Module Input if CPU acts in Slave Mode
AUDIO_MCK
S38
Master clock output to I2S
codec(s)
O
CMOS
1.8V
Runtime
Shared with I2S2
Note: Support for I2S1 signalling has been removed during update to SMARC 2.0 specification