CS8427 Cirrus Logic, CS8427 Datasheet - Page 9
CS8427
Manufacturer Part Number
CS8427
Description
96 kHz Digital Audio Interface Transceiver
Manufacturer
Cirrus Logic
Datasheet
1.CS8427.pdf
(56 pages)
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SWITCHING CHARACTERISTICS - CONTROL PORT - Two-Wire MODE
((Note
Logic 0 = 0 V, Logic 1 = VL+; C
Notes: 14. The Two-Wire Mode is compatible with the I
DS477PP3
SCL Clock Frequency
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
14),T
15. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
SDA
SCL
A
= 25 °C for suffixes ‘CS’ &’CZ’, T
Stop
t buf
Start
Parameter
L
t hdst
t
= 20 pF)
low
Figure 4. Two-Wire Mode timing
t
hdd
A
t high
= -40 to 85 °C for ‘IS’ and ‘IZ’ ; VA+ = VL+ = 5 V ±10%, Inputs:
(Note 15)
2
C
t sud
®
protocol and is supported only at 5 V mode.
Symbol
t
t
t
t
Repeated
t
t
t
t
susp
f
hdst
high
sust
hdd
sud
low
t sust
buf
scl
t
t
r
f
Start
t
hdst
Min
250
4.7
4.0
4.7
4.0
4.7
4.7
0
-
-
-
t r
t f
Typ
-
-
-
-
-
-
-
-
-
-
-
Max
100
Stop
25
25
-
-
-
-
-
-
-
-
t susp
CS8427
Units
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
9