Figure 36. serial mode input timing, Switching characteristics - serial audio interface, Cs4392 – Cirrus Logic CS4392 User Manual
Page 32
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CS4392
32
DS459PP3
SWITCHING CHARACTERISTICS - SERIAL AUDIO INTERFACE
(Inputs: Logic 0 = 0 V, Logic 1 = VL) .
Parameters
Symbol Min Typ
Max
Units
Input Sample Rate
Fs
4
-
200
kHz
LRCK Duty Cycle
45
50
55
%
MCLK Duty Cycle
40
50
60
%
SCLK Frequency
Single Speed Mode
Double Speed Mode
Quad Speed Mode (MCLKDIV=0)
Quad Speed Mode (MCLKDIV=1)
-
-
-
-
-
-
-
-
128•LRCK
64•LRCK
MCLK/2
MCLK/4
Hz
Hz
Hz
Hz
SCLK rising to LRCK edge delay
t
slrd
20
-
-
ns
SCLK rising to LRCK edge setup time
t
slrs
20
-
-
ns
SDATA valid to SCLK rising setup time
t
sdlrs
20
-
-
ns
SCLK rising to SDATA hold time
t
sdh
20
-
-
ns
slrs
t
s lrd
t
sd lrs
t
s d h
t
S D A TA
S C L K
LR C K
Figure 36. Serial Mode Input Timing
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