Datasheet

Maxim Integrated │ 28
MAX98090 Ultra-Low Power Stereo Audio Codec
www.maximintegrated.com
Figure 1. I
2
S Audio Interface Timing Diagrams (TDM = 0)
Figure 2. TDM Audio Interface Short Mode Timing Diagram (TDM = 1, BCI = 1)
t
R
t
CLKTX
t
SETUP
t
HOLD
t
BCLK
t
BCLKH
t
BCLKL
MSBLSB
LSB
BCLK
(OUTPUT)
LRCLK
(OUTPUT)
SDOUT
(OUTPUT)
SDIN
(INPUT)
BCLK
(INPUT)
LRCLK
(INPUT)
SDOUT
(OUTPUT)
SDIN
(INPUT)
MASTER MODE
t
SETUP
t
HOLD
MSB
MSB
LSB
LSB HI-Z
SLAVE MODE
HI-Z MSB
t
CLKSYNC
t
F
t
HIZOUT
t
CLKTX
t
SYNCSET
t
HIZOUT
LRCLK
(OUTPUT)
BCLK
(OUTPUT)
TDM SHORT MODE TIMING (f
SW
= 0)
TDM LONG MODE TIMING (f
SW
= 1)
SDOUT
(OUTPUT)
SDIN
(INPUT)
LRCLK
(OUTPUT)
BCLK
(OUTPUT)
SDOUT
(OUTPUT)
SDIN
(INPUT)
LRCLK
(OUTPUT)
BCLK
(OUTPUT)
SDOUT
(OUTPUT)
SDIN
(INPUT)
LRCLK
(OUTPUT)
BCLK
(OUTPUT)
SDOUT
(OUTPUT)
SDIN
(INPUT)
t
CLKTX
t
HIZOUT
t
HI-ZOUT
HI-ZLSB
t
HOLD
t
SETUP
t
HOLD
t
SETUP
t
HOLD
t
SETUP
LSB
MSB
HI-ZLSB MSB
MSB
LSB MSB
t
HI-ZOUT
HI-ZLSB MSB
LSB MSB
t
CLKSYNC
t
R
t
F
t
F
t
R
t
CLKTX
t
HIZOUT
HI-ZLSB
t
HOLD
t
SETUP
LSB
t
SYNCHOLD
MSB
MSB
t
BCLKH
t
BCLKL
t
BCLK
t
BCLKH
t
BCLKL
t
BCLK
t
SYNCSET
MASTER MODE SLAVE MODE
t
CLKSYNC
t
ENDSYNC
t
SYNCTX
t
SYNCTX
t
CLKSYNC
t
CLKTX
t
CLKTX
SLAVE MODEMASTER MODE