Owner's manual

CS4340A
DS590F2 17
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Notes: 6. Speed mode is detected automatically, based on the input sample rate.
7. Only required for Quad-Speed Mode.
Parameters Symbol Min Max Units
MCLK Frequency 1.024 38.4 MHz
MCLK Duty Cycle 45 55 %
Input Sample Rate Single-Speed Mode
(Note 6) Double-Speed Mode
Quad-Speed Mode
Fs
Fs
Fs
4
84
170
50
100
200
kHz
kHz
kHz
LRCK Duty Cycle 40 60 %
SCLK Frequency Single-Speed Mode
Double-Speed Mode
-
-
128xFs
64xFs
Hz
Hz
Quad-Speed Mode
-
Hz
SCLK Pulse Width Low t
sclkl
20 - ns
SCLK Pulse Width High t
sclkh
20 - ns
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
SCLK rising to MCLK edge delay (Note 7) t
smd
8-ns
MCLK
2
------------------
sclkh
t
slrs
t
slrd
t
sdlrs
t
sdh
t
sclkl
t
SDATA
SCLK
LRCK
smd
t
MCLK
Figure 17. Serial Input Timing