Switching characteristics - i2c mode control port, Figure 6. i2c mode control port timing, Switching characteristics - i²c mode control port – Cirrus Logic CS4271 User Manual
Page 21: Cs4271
CS4271
DS592F1
21
SWITCHING CHARACTERISTICS - I²C MODE CONTROL PORT
(Inputs: logic 0 = AGND, logic 1 = VL)
Notes: 21. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Parameter
Symbol
Min
Max
Unit
I²C Mode
SCL Clock Frequency.
f
scl
-
100
KHz
RST Rising Edge to Start.
t
irs
500
-
ns
Bus Free Time Between Transmissions.
t
buf
4.7
-
µs
Start Condition Hold Time (prior to first clock pulse).
t
hdst
4.0
-
µs
Clock Low time.
t
low
4.7
-
µs
Clock High Time.
t
high
4.0
-
µs
Setup Time for Repeated Start Condition.
t
sust
4.7
-
µs
SDA Hold Time from SCL Falling.
t
hdd
0
-
µs
SDA Setup time to SCL Rising.
t
sud
250
-
ns
Rise Time of Both SDA and SCL Lines.
t
r
-
1
µs
Fall Time of Both SDA and SCL Lines.
t
f
-
300
ns
Setup Time for Stop Condition.
t
susp
4.7
-
µs
t
buf
t
hdst
t
hdst
t
low
t r
t f
t
hdd
t
high
t sud
t sust
t susp
Stop
Start
Start
Stop
Repeated
SDA
SCL
t
irs
RST
Figure 6. I²C Mode Control Port Timing