cs4244-enzr Cirrus Logic, Inc., cs4244-enzr Datasheet - Page 21
cs4244-enzr
Manufacturer Part Number
cs4244-enzr
Description
4 In/4 Out Audio Codec With Pcm And Tdm Interfaces
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS4244-ENZR.pdf
(66 pages)
- Current page: 21 of 66
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DS900PP2
SWITCHING SPECIFICATIONS - CONTROL PORT
Test conditions (unless otherwise specified): Inputs: Logic 0 = GND = 0 V, Logic 1 = VL; SDA load capacitance equal to maxi-
mum value of C
Notes:
SCL Clock Frequency
RESET Rising Edge to Start
Bus Free Time Between Transmissions
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
SDA Bus Load Capacitance
SDA Pull-Up Resistance
RST
SDA
SCL
31. All specifications are valid for the signals at the pins of the CS4244 with the specified load capacitance.
32. 2 ms + (3000/MCLK). See
33. Data must be held for sufficient time to bridge the transition time, t
Stop
b
specified below
t irs
t buf
Start
Parameters
t hdst
t
(Note
low
Section
31).
t
Figure 8. I²C Control Port Timing
hdd
4.2.1.
t high
t sud
(Note 33)
Repeated
t sust
Start
Symbol
t
t
t
t
t
t
t
hddo
t
t
susp
f
hdst
high
sust
hddi
t
C
R
sud
buf
low
f
scl
irs
t
t
, of SCL.
r
f
b
p
t
hdst
(Note 32)
t r
Min
100
500
1.3
0.6
1.3
0.6
0.6
0.2
0.6
0
-
-
-
-
t f
Max
550
300
300
400
0.9
0.9
-
-
-
-
-
-
-
-
-
Stop
CS4244
t susp
Unit
kHz
pF
ns
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
21
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