CS42L56 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS42L56 Datasheet PDF : 92 Pages
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CS42L56
SWITCHING SPECIFICATIONS - I²C CONTROL PORT
Inputs: Logic 0 = GND = AGND, Logic 1 = VL (Note 22) .
Parameter
Symbol
Min
RESET Rising Edge to Start
SCL Clock Frequency
Start Condition Hold Time (prior to first clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Input Hold Time from SCL Falling
SDA Output Hold Time from SCL Falling
SDA Setup Time to SCL Rising
Rise Time of SCL and SDA
Fall Time SCL and SDA
Setup Time for Stop Condition
Bus Free Time Between Transmissions
SDA Bus Capacitance
SDA Pull-Up Resistance
tirs
500
fscl
-
thdst
0.6
tlow
1.3
thigh
0.6
tsust
0.6
(Note 23)
thddi
0
thddo
0.2
tsud
100
trc
-
tfc
-
tsusp
0.6
tbuf
1.3
CL
-
Rp
500
Max
-
550
-
-
-
-
0.9
0.9
-
300
300
-
-
400
-
Unit
ns
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
µs
pF
Notes:
22. All specifications are valid for the signals at the pins of the CS42L56 with the specified load capacitance.
23. Data must be held for sufficient time to bridge the transition time, tf, of SCL.
RESET
t irs
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 10. I²C Control Port Timing
Stop
t susp
DS851F2
23
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