Datasheet

Maxim Integrated │ 112
MAX98090 Ultra-Low Power Stereo Audio Codec
www.maximintegrated.com
Figure 18. Digital Audio Interface (DAI) Data Path Configurations
LOOP
BACK
MUX
DATA INPUT
ENABLE
OUTPUT SHIFT
REGISTER
INPUT SHIFT
REGISTER
SDOUT SDIN
L/R AUDIO
(PLAYBACK)
L/R AUDIO
(RECORD)
LOOP
THROUGH
MUX
PLAYBACK
INPUT MIXER
PATH 1:
RECORD
DATA OUTPUT
ENABLE
LOOP
BACK
MUX
DATA INPUT
ENABLE
OUTPUT SHIFT
REGISTER
INPUT SHIFT
REGISTER
SDOUT
SDIN
L/R AUDIO
(PLAYBACK)
L/R AUDIO
(RECORD)
LOOP
THROUGH
MUX
PLAYBACK
INPUT MIXER
PATH 2:
PLAYBACK
DATA OUTPUT
ENABLE
LOOP
BACK
MUX
DATA INPUT
ENABLE
OUTPUT SHIFT
REGISTER
INPUT SHIFT
REGISTER
SDOUT SDIN
L/R AUDIO
(PLAYBACK)
L/R AUDIO
(RECORD)
LOOP
THROUGH
MUX
PLAYBACK
INPUT MIXER
PATH 3:
FULL DUPLEX
DATA OUTPUT
ENABLE
LOOP
BACK
MUX
DATA INPUT
ENABLE
OUTPUT SHIFT
REGISTER
INPUT SHIFT
REGISTER
SDOUT
SDIN
L/R AUDIO
(PLAYBACK)
L/R AUDIO
(RECORD)
LOOP
THROUGH
MUX
PLAYBACK
INPUT MIXER
PATH 4:
PLAYBACK/
LOOP BACK
DATA OUTPUT
ENABLE
LOOP
BACK
MUX
DATA INPUT
ENABLE
OUTPUT SHIFT
REGISTER
INPUT SHIFT
REGISTER
SDOUT SDIN
L/R AUDIO
(PLAYBACK)
L/R AUDIO
(RECORD)
LOOP
THROUGH
MUX
PLAYBACK
INPUT MIXER
PATH 5:
RECORD/
LOOP
THROUGH
DATA OUTPUT
ENABLE