CDB42428 Cirrus Logic Inc, CDB42428 Datasheet - Page 13

• Manufacturer Part Number: CDB42428
• Description: BOARD EVAL FOR CS42428 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42428

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42428/26/18/16
• Primary Attributes: 6 Single-Ended Analog Inputs and 8 Outputs, S/PDIF Digital Audio Transmitter and Receiver
• Secondary Attributes: Graphic User Interface
• 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: 598-1499

DS605F1
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI
(For CQZ, T
Inputs: Logic 0 = DGND, Logic 1 = VLC, C
Notes:
CCLK Clock Frequency
CS High Time Between Transmissions
CS Falling to CCLK Edge
CCLK Low Time
CCLK High Time
CDIN to CCLK Rising Setup Time
CCLK Rising to DATA Hold Time
CCLK Falling to CDOUT Stable
Rise Time of CDOUT
Fall Time of CDOUT
Rise Time of CCLK and CDIN
Fall Time of CCLK and CDIN
20. Data must be held for sufficient time to bridge the transition time of CCLK.
21. For f
A
= -10 to +70° C; For DQZ, T
sck
<1 MHz.
Parameter
CDOUT
CDIN
CCLK
CS
t css
Figure 4. Control Port Timing - SPI Format
t r2
A
L
= -40 to +85° C; VA = 5 V, VD =VLS= 3.3 V; VLC = 1.8 V to 5.25 V;
= 30 pF)
t dsu
t scl
t f2
(Note 20)
(Note 21)
(Note 21)
t sch
t dh
t pd
Symbol
f
t
t
t
t
t
t
t
csh
sch
dsu
t
t
t
t
sck
css
scl
dh
pd
r1
f1
r2
f2
Min
1.0
20
66
66
40
15
0
-
-
-
-
-
t csh
™
Typ
FORMAT
-
-
-
-
-
-
-
-
-
-
-
-
Max
100
100
6.0
50
25
25
-
-
-
-
-
-
CS42428
Units
MHz
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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