CS4351
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Parameters
Symbol
Min
1.024
45
Max
51.2
55
Units
MHz
%
MCLK Frequency
MCLK Duty Cycle
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
20
20
60
-
%
ns
ns
-
SCLK Pulse Width Low
SCLK Pulse Width High
SCLK Period
t
sclkl
t
-
sclkh
sclkw
1
Single Speed Mode
Double Speed Mode
Quad Speed Mode
t
t
t
-
---------------------
(128)Fs
1
-
-
-
-
------------------
sclkw
sclkw
(64)Fs
2
-----------------
MCLK
20
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
-
-
-
-
ns
ns
ns
ns
slrd
t
20
20
20
slrs
t
sdlrs
t
sdh
LRCK
t
t
sclkh
slrs
t
slrd
t
sclkl
SCLK
t
t
sdh
sdlrs
SDATA
Figure 1. Serial Input Timing
DS566PP2
11
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