Manual

CS4340
DS297F3 11
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Parameters Symbol Min Max Units
MCLK Frequency 1.024 25.6 MHz
MCLK Duty Cycle 45 55 %
Input Sample Rate Single-Speed Mode
Double-Speed Mode
Fs
Fs
4
50
50
100
kHz
kHz
LRCK Duty Cycle 40 60 %
SCLK Pulse Width Low t
sclkl
20 - ns
SCLK Pulse Width High t
sclkh
20 - ns
SCLK Frequency Single-Speed Mode
Double-Speed Mode
-
-
128xFs
64xFs
Hz
Hz
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
sclkh
t
slrs
t
slrd
t
sdlrs
t
sdh
t
sclkl
t
SDATA
SCLK
LRCK
Figure 11. Serial Input Timing (External SCLK)