Datasheet

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B0099-03
External
Microcontroller
V
I(SDA)
DVDD
I
P
I
P
V
I(SCL)
SDA
R
P
R
P
SCL
TAS3108/TAS3108IA
B0100-03
TAS3108/TAS3108IA External
Microcontroller
V
I
DVDD
I
P
SDA
or
SCL
R
S
(2)
V
S
(1)
R
S
(2)
R
P
8.5.6ResetTiming(TAS3108/TAS3108IA)
TAS3108,TAS3108IA
AUDIODIGITALSIGNALPROCESSORS
SLES152B–OCTOBER2005–REVISEDNOVEMBER2007
8.5.5.1RecommendedI
2
CPullupResistors
ItisrecommendedthattheI
2
CpullupresistorsR
P
be4.7kΩ(seeFigure8-5).Ifaseriesresistorisinthe
circuit(seeFigure8-6),thentheseriesresistorR
S
shouldbelessthanorequalto300Ω.
Figure8-5.I
2
CPullupCircuit(WithNoSeriesResistor)
(1)V
S
=DVDD×R
S
/
S
=R
P
).Whendrivenlow,V
S
<<V
IL
requirements.
(2)R
S
≤300Ω
Figure8-6.I
2
CPullupCircuit(WithSeriesResistor)
controlsignalparametersoverrecommendedoperatingconditions;thesemeasurementsarespecifiedbydesign(unless
otherwisenoted)
PARAMETERTESTCONDITIONSMINMAXUNIT
t
w(RESET)
Pulseduration,RESETactive10
(1)
ns
t
r(run)
TimetoenableI
2
CPLL0=PLL1=MICROCLK_DIV=010
(1)
ms
(1)Thismeasurementisspecifiedbydesign.
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Not Recommended for New Designs