CDB42448 Cirrus Logic Inc, CDB42448 Datasheet - Page 22

• Manufacturer Part Number: CDB42448
• Description: BOARD EVAL FOR CS42448 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42448

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42448
• Primary Attributes: 24-Bit, 192 kHz, 6 ADCs: 102dB Dynamic Range, 8 DACs: 105dB Dynamic Range
• Secondary Attributes: Time Division Multiplexed (TDM), I2C, and SPI Interface, Popguard® Technology
• Description/function: Audio CODECs
• Operating Supply Voltage: 5 V to 12 V
• Product: Audio Modules
• For Use With/related Products: CS42448
• 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: 598-1151

22
SWITCHING SPECIFICATIONS - CONTROL PORT - SPI FORMAT
VLC = 1.8 V - 5.0 V, VLS = VD = 3.3 V, VA = 5.0 V; Inputs: Logic 0 = DGND, Logic 1 = VLC, CDOUT C
Notes:
CCLK Clock Frequency
RST Rising Edge to CS Falling
CS Falling to CCLK Edge
CS High Time Between Transmissions
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
24. Data must be held for sufficient time to bridge the transition time of CCLK.
25. For f
sck
CDOUT
CCLK
CDIN
<1 MHz.
RST
CS
Parameter
t
srs
t
css
Figure 9. Control Port Timing - SPI Format
t
sch
t
pd
t
scl
t
(Note 24)
(Note 25)
(Note 25)
dsu
MSB
MSB
t
dh
t
f2
Symbol
t
t
f
t
t
t
t
t
t
sck
css
csh
sch
dsu
t
t
t
t
srs
scl
dh
pd
r1
r2
f1
f2
t
r2
Min
1.0
20
20
66
66
40
15
0
-
-
-
-
-
t
csh
Max
100
100
6.0
50
25
25
-
-
-
-
-
-
-
CS42448
L
DS648F3
= 30 pF.
Units
MHz
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns