CS8416-CSZ Просмотр технического описания (PDF) - Cirrus Logic
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CS8416-CSZ Datasheet PDF : 60 Pages
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CS8416
SWITCHING CHARACTERISTICS - CONTROL PORT- I²C FORMAT
(Inputs: Logic 0 = 0 V, Logic 1 = VL; CL = 20 pF)
Parameter
Symbol
Min
Max
Unit
SCL Clock Frequency
fscl
-
Bus Free Time Between Transmissions
tbuf
4.7
Start Condition Hold Time (prior to first clock pulse)
thdst
4.0
Clock Low time
tlow
4.7
Clock High Time
thigh
4.0
Setup Time for Repeated Start Condition
tsust
4.7
SDA Hold Time from SCL Falling
(Note 15) thdd
10
SDA Setup time to SCL Rising
tsud
250
Rise Time of SCL and SDA
tr
-
Fall Time SCL and SDA
tf
-
Setup Time for Stop Condition
tsusp
4.7
100
kHz
-
µs
-
µs
-
µs
-
µs
-
µs
-
ns
-
ns
1000
ns
300
ns
-
µs
Notes:
15. Data must be held for sufficient time to bridge the 300 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
DS578F3
11
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