CS8416-CZ Просмотр технического описания (PDF) - Cirrus Logic
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CS8416-CZ Datasheet PDF : 48 Pages
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CS8416
SWITCHING CHARACTERISTICS - CONTROL PORT- I2C FORMAT
(TA = 25° C; VA+ = VD+ = 3.3 V ± 5%, VL = 3.135 V to 5.5 V Inputs: Logic 0 = GND, Logic 1 = VL, CL = 20 pF)
Parameter
Symbol
Min
Max
Unit
SCL Clock Frequency
fscl
-
100
kHz
Bus Free Time Between Transmissions
tbuf
4.7
-
µs
Start Condition Hold Time (prior to first clock pulse)
thdst
4.0
-
µs
Clock Low time
tlow
4.7
-
µs
Clock High Time
thigh
4.0
-
µs
Setup Time for Repeated Start Condition
tsust
4.7
-
µs
SDA Hold Time from SCL Falling
(Note 12) thdd
10
-
ns
SDA Setup time to SCL Rising
tsud
250
-
ns
Rise Time of SCL and SDA
tr
-
25
ns
Fall Time SCL and SDA
tf
-
25
ns
Setup Time for Stop Condition
tsusp
4.7
-
µs
Notes: 12. Data must be held for sufficient time to bridge the 25 ns transition time of SCL.
Stop Start
Repeated
Start
SDA
SCL
t buf
t hdst
t high
t hdst
tf
t low t hdd
t sud
t sust
tr
Figure 4. I2C Mode Timing
Stop
t susp
DS578PP2
9
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