Switching specifications - serial audio interface, Figure 1. serial input timing, Figure 1.serial input timing – Cirrus Logic CS4352 User Manual
Page 8
8
DS684F2
CS4352
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Parameters
Symbol Min
Max
Units
MCLK Frequency
1.024
48.0
MHz
MCLK Duty Cycle
45
55
%
Input Sample Rate (Auto selection)
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
Fs
Fs
Fs
4
84
170
54
108
216
kHz
kHz
kHz
LRCK Duty Cycle
40
60
%
SCLK Pulse Width Low
t
sclkl
20
-
ns
SCLK Pulse Width High
t
sclkh
20
-
ns
SCLK Period
Single-Speed Mode
t
sclkw
-
-
Double-Speed Mode
t
sclkw
-
-
Quad-Speed Mode
t
sclkw
-
-
SCLK rising to LRCK edge delay
t
slrd
20
-
ns
SCLK rising to LRCK edge setup time
t
slrs
20
-
ns
SDIN valid to SCLK rising setup time
t
sdlrs
20
-
ns
SCLK rising to SDIN hold time
t
sdh
20
-
ns
sclkh
t
slrs
t
s lrd
t
sd lrs
t
sd h
t
sclkl
t
S D A TA
S C L K
L R C K
Figure 1. Serial Input Timing
1
128
(
)Fs
----------------------
1
64
( )Fs
------------------
2
MCLK
-----------------