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SDA
SCL
t
f
t
低
t
hd;sta
t
hd;dat
t
高
t
su;sta
t
su;sto
t
BUF
t
r
t
hd;sta
t
f
t
su;dat
t
r
tlv320aic20,tlv320aic21
tlv320aic24,tlv320aic25
tlv320aic20k,tlv320aic24k
SLAS363D–MARCH2002–REVISEDAPRIL2005
figure3.i
2
c/s
2
CTimingDiagram
PARAMETERSYMBOLMINMAXUNIT
SCLclockfrequencyt
SCL
0900kHz
holdtime(repeatedstartcondition.afterthisperiod,thefirstclockpulseist
hd;sta
100
发生.
LowperiodoftheSCLclockt
低
560
HighperiodoftheSCLclockt
高
560
设置-uptimeforarepeatedstartconditiont
su;sta
100
Dataholdtimet
hd;dat
50
ns
dataset-uptimet
su;dat
50
RisetimeofbothSDAandSCLsignalst
r
300
FalltimeofbothSDAandSCLsignalst
f
100
设置-uptimeforstopconditiont
su;sto
100
BusfreetimebetweenaSTOPandSTARTconditiont
BUF
500
15
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