CS42435-CMZ Cirrus Logic Inc, CS42435-CMZ Datasheet - Page 21

• Manufacturer Part Number: CS42435-CMZ
• Description: IC,Soundcard Circuits,CMOS,QFP,52PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

DS685F1
SWITCHING SPECIFICATIONS - ADC/DAC PORT
(Inputs: Logic 0 = DGND, Logic 1 = VLS, ADC_SDOUT C
Notes:
Slave Mode
RST pin Low Pulse Width
MCLK Frequency
MCLK Duty Cycle
Input Sample Rate (FS pin)
SCLK Duty Cycle
SCLK High Time
SCLK Low Time
FS Rising Edge to SCLK Rising Edge
SCLK Rising Edge to FS Falling Edge
DAC_SDIN Setup Time Before SCLK Rising Edge
DAC_SDIN Hold Time After SCLK Rising Edge
DAC_SDIN Hold Time After SCLK Rising Edge
ADC_SDOUT Hold Time After SCLK Rising Edge
ADC_SDOUT Valid Before SCLK Rising Edge
16. After powering up the CS42435, RST should be held low after the power supplies and clocks are settled.
17. See
18. VLS is limited to nominal 2.5 V to 5.0 V operation only.
19. ADC does not meet timing specification for Quad-Speed Mode.
DAC_SDIN
ADC_SDOUT
SCLK
(input)
(input)
FS
Table 5 on page 42
Parameters
t
fss
Double-Speed Mode
Figure 5. TDM Serial Audio Interface Timing
Quad-Speed Mode
for suggested MCLK frequencies.
Single-Speed Mode
t
MSB
fsh
(Note 16)
(Note 17)
(Note 18)
(Note 19)
LOAD
t
ds
= 15 pF.)
t
Symbol
dh2
t
t
t
t
t
sckh
t
t
dval
sckl
t
t
dh1
dh2
F
F
F
fss
fsh
ds
dh
t
sckh
s
s
s
MSB
t
dh1
0.512
Min
100
t
MSB-1
dval
45
50
45
16
10
15
1
4
8
8
5
3
5
5
t
sckl
MSB-1
Max
100
200
50
55
50
55
-
-
-
-
-
-
-
-
-
-
CS42435
Units
MHz
kHz
kHz
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
21