cs4227 Cirrus Logic, Inc., cs4227 Datasheet - Page 9

• Manufacturer Part Number: cs4227
• Description: Six Channel, 20-bit Codec
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS - CONTROL PORT
Inputs: logic 0 = DGND, logic 1 = VD+; C
Notes: 17. I
DS281PP2
I
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 for 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
2
C
®
Mode (SPI/I2C = 1)
18. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
2
C
®
is a registered trademark of Philips Semiconductors.
SDA
SCL
Parameter
Stop
t buf
Start
t hdst
t
low
L
Figure 4. Control Port I
= 30 pF)
t
hdd
(Note 17)
t high
(Note 18)
t sud
Symbol
Repeated
t sust
2
t
Start
t
t
t
t
t
t
t
susp
C Mode
f
hdst
high
sust
hdd
sud
buf
low
scl
t
t
r
f
t
hdst
t r
(T
t f
A
Min
250
4.7
4.0
4.7
4.0
4.7
4.7
0
= 25 °C; VA+, VD+ = +5 V ±5%;
-
-
-
Stop
t susp
Max
100
300
1
-
-
-
-
-
-
-
-
CS4227
Unit
kHz
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
9