Switching specifications - serial audio interface, Figure 1. serial input timing, Serial input timing – Cirrus Logic CS4351 User Manual
Page 10
10
DS566F1
CS4351
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Parameters
Symbol Min
Max
Units
MCLK Frequency
1.024
51.2
MHz
MCLK Duty Cycle
45
55
%
Input Sample Rate (Manual selection)
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
Fs
Fs
Fs
4
50
100
50
100
200
kHz
kHz
kHz
Input Sample Rate (Auto selection)
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
Fs
Fs
Fs
4
84
170
50
100
200
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
23
-
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
1
128
(
)Fs
----------------------
1
64
( )Fs
------------------
2
MCLK
-----------------
sclkh
t
slrs
t
slrd
t
sdlrs
t
sdh
t
sclkl
t
SDATA
SCLK
LRCK
Figure 1. Serial Input Timing