CS4272 Cirrus Logic, CS4272 Datasheet - Page 21

• Manufacturer Part Number: CS4272
• Description: 24-Bit / 192 kHz Stereo Audio CODEC
• Manufacturer: Cirrus Logic

SWITCHING CHARACTERISTICS - I²C MODE CONTROL PORT
(Inputs: logic 0 = AGND, logic 1 = VL)
Notes: 23. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
DS593F1
I²C Mode
SCL Clock Frequency.
RST 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 Hold Time from SCL Falling.
SDA Setup time to SCL Rising.
Rise Time of Both SDA and SCL Lines.
Fall Time of Both SDA and SCL Lines.
Setup Time for Stop Condition.
RST
SDA
SCL
Stop
t irs
t buf
Parameter
Start
t hdst
t
low
Figure 6. I²C Mode Control Port Timing
t
hdd
t high
(Note 23)
t sud
Symbol
t
t
t
t
t
t
t
susp
Repeated
t
f
hdst
high
sust
t
hdd
low
sud
buf
scl
t sust
irs
t
t
r
f
Start
t
hdst
Min
500
250
4.7
4.0
4.7
4.0
4.7
4.7
t r
0
-
-
-
t f
Max
100
300
1
-
-
-
-
-
-
-
-
-
Stop
t susp
CS4272
Unit
KHz
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
21