Digital microphone timing characterstics – Rainbow Electronics MAX98088 User Manual
Page 23
Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
23
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
MCLK/8
MHz
MICCLK = 01
MCLK/6
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