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8.5.2SerialAudioPortSlaveModeSignals(TAS3108/TAS3108IA)
t
h1
t
su1
t
pd1
t
pd2
t
su2
t
h2
t
c(SCLKIN)
T0090-01
SCLKIN
LRCLK
(Input)
SDOUT1
SDOUT2
SDOUT3
SDOUT4
SCLKOUT2
SDIN1
SDIN2
SDIN3
SDIN4
t
w(SCLKIN)
TAS3108,TAS3108IA
AUDIODIGITALSIGNALPROCESSORS
SLES152B–OCTOBER2005–REVISEDNOVEMBER2007
overrecommendedoperatingconditions(unlessotherwisenoted)
PARAMETERTESTMINTYPMAXUNIT
CONDITIONS
f
LRCLK
Frequency,LRCLK(f
S
)32
(1)
192
(1)
kHz
t
w(SCLKIN)
Pulseduration,SCLKINhighSee
(2)
0.4t
c(SCLKIN)
(1)
0.5t
c(SCLKIN)
0.6t
c(SCLKIN)
(1)
ns
f
SCLKIN
Frequency,SCLKINSee
(3)
64f
S
(1)
25
(1)
MHz
t
pd1
Propagationdelay,SCLKINfallingedgetoSDOUT15
(1)
ns
t
su1
Setuptime,LRCLKtoSCLKINrisingedge10
(1)
ns
t
h1
Holdtime,LRCLKfromSCLKINrisingedge0.5t
c(SCLKIN)
(1)
ns
t
su2
Setuptime,SDINtoSCLKINrisingedge10
(1)
ns
t
h2
Holdtime,SDINfromSCLKINrisingedge10
(1)
ns
Propagationdelay,SCLKINfallingedgeto
t
pd2
17
(1)
ns
SCLKOUT2fallingedge
(1)Thismeasurementisspecifiedbydesign.
(2)PeriodofSCLKIN=T
SCLKIN
=1/f
SCLKIN
(3)Dutycycleis50/50.
Figure8-2.SerialAudioPortSlaveModeTimingWaveforms
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