CDB42528 Cirrus Logic Inc, CDB42528 Datasheet - Page 13

• Manufacturer Part Number: CDB42528
• Description: BOARD EVAL FOR CS42528/CS49300
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42528

• Main Purpose: Audio, Audio Processing
• Embedded: Yes, DSP
• Utilized Ic / Part: CS49300, CS42528
• Primary Attributes: 8 Single-Ended Analog Inputs and Outputs, 4 S/PDIF Inputs and 2 S/PDIF Outputs
• Secondary Attributes: Parallel, RS422, RS232, UDSP Interfaces
• Product: Audio Modules
• 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: 598-1503

DS586F1
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT
(For CQZ, T
5.25 V; Inputs: Logic 0 = DGND, Logic 1 = VLC, C
Notes:
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
R S T
S D A
S C L
17. Data must be held for sufficient time to bridge the transition time, t
18. The acknowledge delay is based on MCLK and can limit the maximum transaction speed.
19.
A
-------------------- -
256
Stop
= -10 to +70° C; For DQZ, T
15
t
t
irs
×
buf
Fs
for Single-Speed Mode,
Start
Parameter
t
t
hdst
lo w
t
hdd
Figure 3. Control Port Timing - I²C Format
t
A
high
= -40 to +85° C; VA=VARX = 5 V, VD =VLS= 3.3 V; VLC = 1.8 V to
-------------------- -
128 Fs
t sud
L
15
= 30 pF)
×
(Note 17)
(Note 18)
t ack
for Double-Speed Mode,
Symbol
t
t
t
t
t
t
t
susp
t
t
f
hdst
high
sust
t
hdd
sud
low
t
t
ack
buf
scl
irs
rc
fc
R e p e a te d
t sust
Sta rt
fc
, of SCL.
Min
500
250
4.7
4.0
4.7
4.0
4.7
4.7
0
-
-
-
-
t
hdst
----------------- -
64 Fs
t rd
15
×
t rc
for Quad-Speed Mode
(Note 19)
t fc
Max
100
300
1
-
-
-
-
-
-
-
-
-
t fd
CS42528
Stop
t susp
Unit
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns
13