Figure 1. serial mode input timing, Switching characteristics - pcm modes, Cs4391 – Cirrus Logic CS4391 User Manual
Page 8
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CS4391
8
DS335PP4
SWITCHING CHARACTERISTICS - PCM MODES
(T
A
= -10 to 70° C; VL = 5.5 to 1.8 Volts;
Inputs: Logic 0 = 0 V, Logic 1 = VL, CL = 20 pF)
Notes: 22. This serial clock is available only in Control Port Mode when the MCLK Divide bit is enabled.
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
-
-
MCLK/2
Hz
SCLK Frequency
Note 22
-
-
MCLK/4
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
slrd
t
sd lrs
t
s d h
t
S D A TA
S C L K
L R C K
Figure 1. Serial Mode Input Timing
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