Rainbow Electronics MAX98089 - Manual (Page 23)

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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
DIGITAL MICROPHONE TIMING CHARACTERSTICS
(V AVDD = V HPVDD = V DVDD = V DVDDS1 = V DVDDS2 = 1.8V, V SPKLVDD = V SPKRVDD = 3.7V, T A = +25NC, unless otherwise noted.)
(Note 1)
Figure 2. TDM Audio Interface Timing Diagram (TDM_ = 1, FSW_ = 0)
Figure 3. TDM Audio Interface Timing Diagram (TDM_ = 1, FSW_ = 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DIGMICCLK Frequency f MICCLK
MICCLK = 00 PCLK/8
MHz
MICCLK = 01 PCLK/6
MICCLK = 10
64 x
f LRCLK
DIGMICDATA to DIGMICCLK
Setup Time
t SU,MIC Either clock edge 20 ns
DIGMICDATA to DIGMICCLK
Hold Time
t HD,MIC Either clock edge 0 ns
LRCLK (OUTPUT)
BCLK (OUTPUT)
SDOUT (OUTPUT)
SDIN (INPUT)
t CLKTX t HIZOUT
HI-Z LSB
t HOLD t SETUP
LSB
MSB
MSB
t CLKSYNC
t R t F
LRCLK (INPUT)
BCLK (INPUT)
SDOUT (OUTPUT)
SDIN (INPUT)
t CLKTX
t HIZOUT
HI-Z LSB
t HOLD t SETUP
LSB
t
SYNCHOLD
MSB
MSB
t BCLKH t BCLKL
t BCLK
t SYNCSET
MASTER MODE SLAVE MODE
t CLKSYNC
t BCLKH t BCLKL
t CLKSYNC
t R t F
LRCLK (OUTPUT)
BCLK (OUTPUT)
SDOUT (OUTPUT)
SDIN (INPUT)
MASTER MODE
HI-Z LSB MSB
t SYNCTX
t ENDSYNC
LSB MSB
SLAVE MODE
HI-Z LSB
LSB
MSB
MSB
t CLKTX t HIZOUT
t HOLD t SETUP t HOLD t SETUP
LRCLK (INPUT)
BCLK (INPUT)
SDOUT (OUTPUT)
SDIN (INPUT)
t BCLK
t SYNCTX
t CLKTX t HIZOUT