CS4351
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Parameters
MCLK Frequency
MCLK Duty Cycle
Input Sample Rate (Manual selection)
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
Fs
Fs
Fs
Fs
Fs
Fs
t
sclkl
t
sclkh
Single Speed Mode
Double Speed Mode
Quad Speed Mode
SCLK rising to LRCK edge delay
SCLK rising to LRCK edge setup time
SDIN valid to SCLK rising setup time
SCLK rising to SDIN hold time
t
sclkw
t
sclkw
t
sclkw
t
slrd
t
slrs
t
sdlrs
t
sdh
Symbol
Min
1.024
45
4
50
100
4
84
170
40
20
20
1
---------------------
-
(
128
)Fs
1
------------------
(
64
)Fs
2
----------------
-
MCLK
Max
51.2
55
50
100
200
50
100
200
60
-
-
-
-
-
-
-
-
-
Units
MHz
%
kHz
kHz
kHz
kHz
kHz
kHz
%
ns
ns
-
-
-
ns
ns
ns
ns
Input Sample Rate (Auto selection)
LRCK Duty Cycle
SCLK Pulse Width Low
SCLK Pulse Width High
SCLK Period
20
20
20
20
LR C K
t slrd
t slrs
t sclkl
t sclkh
S C LK
t
sdlrs
S D ATA
t
sd h
Figure 1. Serial Input Timing
DS566PP2
11
CIRRUS [ CIRRUS LOGIC ]
