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8.5.3SerialAudioPortMasterModeSignals(TAS3108/TAS3108IA)
t
r(SCLKOUT)
t
f(SCLKOUT)
t
f(SCLKOUT)
t
sk
t
r(SCLKOUT)
t
pd1(SCLKOUT2)
t
pd1(SCLKOUT1)
t
f(LRCLK)
, t
r(LRCLK)
t
pd2
t
su
t
h
SCLKOUT2
LRCLK
(Output)
SDOUT1
SDOUT2
SDOUT3
SDOUT4
SDIN1
SDIN2
SDIN3
SDIN4
SCLKOUT1
T0091-01
TAS3108,TAS3108IA
AUDIODIGITALSIGNALPROCESSORS
SLES152B–OCTOBER2005–REVISEDNOVEMBER2007
overrecommendedoperatingconditions(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
f
(LRCLK)
FrequencyLRCLKC
L
=30pF32
(1)
192
(1)
kHz
t
r(LRCLK)
Risetime,LRCLK
(2)
C
L
=30pF12
(1)
ns
t
f(LRCLK)
Falltime,LRCLK
(2)
Dutycycleis50/50.12
(1)
ns
f
(SCLKOUT)
Frequency,SCLKOUT1/SCLKOUT2C
L
=30pF6425
(1)
MHz
f
S
(1)
t
r(SCLKOUT)
Risetime,SCLKOUT1/SCLKOUT2C
L
=30pF20
(1)
ns
t
f(SCLKOUT)
Falltime,SCLKOUT1/SCLKOUT2C
L
=30pF20
(1)
ns
t
pd1(SCLKOUT1)
Propagationdelay,SCLKOUT1fallingedgetoLRCLKedge4
(1)
ns
t
pd1(SCLKOUT2)
Propagationdelay,SCLKOUT2fallingedgetoLRCLKedge4
(1)
ns
t
pd2
Propagationdelay,SCLKOUT2fallingedgetoSDOUT4
(1)
ns
t
su
Setuptime,SDINtoSCLKOUT1risingedge20
(1)
ns
t
h
Holdtime,SDINfromSCLKOUT1risingedge23
(1)
ns
t
(SKEW)
Skewtime,SCLKOUT1toSCLKOUT23
(1)
ns
(1)Thismeasurementinspecifiedbydesign.
(2)Risetimeandfalltimemeasuredfrom20%to80%ofmaximumheightofwaveform.
Figure8-3.TAS3108/TAS3108IASerialAudioPortMasterModeTimingWaveforms
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Not Recommended for New Designs