CDB4265 Cirrus Logic Inc, CDB4265 Datasheet - Page 22

• Manufacturer Part Number: CDB4265
• Description: BOARD EVAL FOR CS4265 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4265

• Main Purpose: Audio, CODEC
• Embedded: No
• Utilized Ic / Part: CS4265
• Primary Attributes: Stereo, 24-Bit, 192 kHz Sample Rate
• Secondary Attributes: Graphic User Interface, S/PDIF/ I2S / I2C / SPI Interface
• Description/function: Audio CODECs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4265
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1001

22
SWITCHING CHARACTERISTICS - I²C CONTROL PORT
Inputs: Logic 0 = DGND = AGND = 0 V, Logic 1 = VLC, C
SCL Clock Frequency
RESET 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
R S T
S D A
S C L
24. Data must be held for sufficient time to bridge the transition time, t
25. Guaranteed by design.
Stop
t
t
irs
buf
Sta rt
t
t
Parameter
hdst
lo w
t
hdd
Figure 8. Control Port Timing - I²C Format
t
high
t sud
(Note 24)
(Note 25)
(Note 25)
t ack
L
= 30 pF.
Symbol
t
t
rc
fc
t
t
t
t
t
t
t
t
t
susp
f
hdst
high
sust
t
hdd
low
sud
ack
buf
scl
irs
, t
, t
rd
fd
R e p e ate d
t sust
fc
Sta rt
, of SCL.
Min
500
250
300
4.7
4.0
4.7
4.0
4.7
4.7
0
-
-
-
t
hdst
t rd
t rc
Max
1000
t fc
100
300
1
-
-
-
-
-
-
-
-
-
CS4265
t fd
DS657F2
Stop
Unit
t susp
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns