I2c timing characterstics, C timing characterstics – Rainbow Electronics MAX98088 User Manual
Page 24
Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
24
Figure 4. Digital Microphone Timing Diagram
I
2
C TIMING CHARACTERSTICS
(V
AVDD
= V
HPVDD
= V
DVDD
= V
DVDDS1
= V
DVDDS2
= +1.8V, V
SPKLVDD
= V
SPKRVDD
= 3.7V, T
A
= +25NC, unless otherwise noted.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Serial-Clock Frequency
f
SCL
Guaranteed by SCL pulse-width low and
high
0
400
kHz
Bus Free Time Between STOP and
START Conditions
t
BUF
1.3
F
s
Hold Time (Repeated) START
Condition
t
HD,STA
0.6
F
s
SCL Pulse-Width Low
t
LOW
1.3
F
s
SCL Pulse-Width High
t
HIGH
0.6
F
s
Setup Time for a Repeated START
Condition
t
SU,STA
0.6
F
s
Data Hold Time
t
HD,DAT
R
PU
= 475I, CB = 100pF, 400pF
0
900
ns
Data Setup Time
t
SU,DAT
100
ns
SDA and SCL Receiving Rise Time
t
R
(Note 10)
20 +
0.1C
B
300
ns
SDA and SCL Receiving Fall Time
t
F
(Note 10)
20 +
0.1C
B
300
ns
SDA Transmitting Fall Time
t
F
R
PU
= 475I, C
B
= 100pF, 400pF (Note 10)
20 +
0.05C
B
250
ns
Setup Time for STOP Condition
t
SU,STO
0.6
F
s
Bus Capacitance
C
B
Guaranteed by SDA transmitting fall time
400
pF
Pulse Width of Suppressed Spike
t
SP
0
50
ns
1/f
MICCLK
t
HD,MIC
t
SU,MIC
t
HD,MIC
t
SU,MIC
LEFT
RIGHT
LEFT
RIGHT