cs42324 Cirrus Logic, Inc., cs42324 Datasheet - Page 24

• Manufacturer Part Number: cs42324
• Description: 10-in, 6-out, 2 Vrms Audio Codec
• Manufacturer: Cirrus Logic, Inc.

24
SWITCHING CHARACTERISTICS - SOFTWARE MODE - I²C FORMAT
Inputs: Logic ‘0’ = GND = GNDH = 0 V, Logic ‘1’ = VL, C
Note:
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 SCL and SDA
Fall Time SCL and SDA
Setup Time for Stop Condition
Acknowledge Delay from SCL Falling
RST
SDA
SCL
19. Data must be held for sufficient time to bridge the transition time, t
Stop
t irs
t buf
Start
Parameter
t hdst
t
low
Figure 5. Software Mode Timing - I²C Format
t
hdd
t high
(Note Note:)
L
= 30 pF)
t sud
Symbol
t
t
t
t
t
t
t
t
t
susp
f
hdst
high
sust
t
hdd
low
sud
t
ack
buf
t
scl
irs
rc
fc
Repeated
t sust
Start
t
hdst
fc
, of SCL.
Min
500
250
300
4.7
4.0
4.7
4.0
4.7
4.7
0
-
-
-
t r
t f
1000
Max
100
300
1
-
-
-
-
-
-
-
-
-
CS42324
Stop
DS721A6
t susp
Unit
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns