Audio interface timing characteristics, Figure 1. non-tdm audio interface timing – Rainbow Electronics MAX98089 User Manual
Page 22
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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
AUDIO INTERFACE TIMING CHARACTERISTICS
(V
AVDD
= V
PVDD
= V
DVDD
= V
DVDDS1
= V
DVDDS2
= 1.8V, V
SPKLVDD
= V
SPKRVDD
= 3.7V, TA = +25NC, unless otherwise noted.)
(Note 1)
Figure 1. Non-TDM Audio Interface Timing Diagrams (TDM_ = 0)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
BCLK Cycle Time
t
BCLK
Slave mode
90
ns
BCLK High Time
t
BCLKH
Slave mode
20
ns
BCLK Low Time
t
BCLKL
Slave mode
20
ns
BCLK or LRCLK Rise and Fall Time
t
R
, t
F
Master mode, C
L
= 15pF
5
ns
SDIN to BCLK Setup Time
t
SETUP
20
ns
LRCLK to BCLK Setup Time
t
SYNCSET
Slave mode
20
ns
SDIN to BCLK Hold Time
t
HOLD
20
ns
LRCLK to BCLK Hold Time
t
SYNCHOLD
Slave mode
20
ns
Minimum Delay Time from LSB
BCLK Falling Edge to
High-Impedance State
t
HIZOUT
Master mode, TDM_ = 1
42
ns
LRCLK Rising Edge to SDOUT
MSB Delay
t
SYNCTX
C
L
= 30pF, TDM_ = 1, FSW_ = 1
50
ns
BCLK to SDOUT Delay
t
CLKTX
C
L
= 30pF
TDM_ = 1, BCLK rising edge
50
ns
TDM_ = 0
50
Delay Time from BCLK to LRCLK
t
CLKSYNC
Master
mode
TDM_ = 1
-15
+15
ns
TDM_ = 0
0.8 x
t
BCLKL
Delay Time from LRCLK to BCLK
After LSB
t
ENDSYNC
Master
mode
TDM_ = 1, FSW_ = 1
20
ns
t
R
t
CLKTX
t
SETUP
t
HOLD
t
BCLK
t
BCLKH
t
BCLKL
MSB
LSB
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