cs4223 Cirrus Logic, Inc., cs4223 Datasheet - Page 11

• Manufacturer Part Number: cs4223
• Description: 24-bit, 105 Db Codecs With Volume Control
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS - CONTROL PORT - I
(Inputs: Logic 0 = DGND, Logic 1 = VD; C
Notes: 15. Not tested but guaranteed by design.
DS290F1
I
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 for SCL falling
SDA setup time to SCL rising
Rise time of SCL
Fall time of SCL
Rise time of SDA
Fall time of SDA
Setup time for Stop Condition
2
C
®
Mode (SPI/I2C = 1)
16. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
RST
SDA
SCL
Stop
Parameter
t irs
t buf
Start
t hdst
t
low
Figure 3. I
L
t
= 30 pF)
hdd
t high
(Note 15)
(Note 16)
2
C Control Port Timing
t sud
Symbol
t
t
t
t
Repeated
t
t
t
susp
f
t
hdst
high
sust
t
hdd
sud
low
t
t
t
t sust
buf
t
scl
irs
rd
rc
fc
fd
Start
t
hdst
t rd
t rc
Min
250
4.7
4.0
4.7
4.0
4.7
4.7
50
2
0
-
-
-
-
-
C MODE (CS4224)
t fc
t fd
CS4223 CS4224
Stop
t susp
Max
100
300
25
25
1
-
-
-
-
-
-
-
-
-
Unit
kHz
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
ns
µs
11