Cirrus Logic CS4351 - Manual (Page 10)

10 DS566F1
CS4351
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Parameters Symbol Min Max Units
MCLK Frequency 1.024 51.2 MHz
MCLK Duty Cycle 45 55 %
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 60 %
SCLK Pulse Width Low t
sclkl
20 - ns
SCLK Pulse Width High t
sclkh
20 - ns
SCLK Period Single-Speed Mode t
sclkw
- -
Double-Speed Mode t
sclkw
- -
Quad-Speed Mode t
sclkw
- -
SCLK rising to LRCK edge delay t
slrd
23 - 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
1
128 ( )Fs
----------------------
1
64 ( )Fs
------------------
2
MCLK
-----------------
sclkh
t
slrs
t
slrd
t
sdlrs
t sdh
t
sclkl
t
SDATA
SCLK
LRCK
Figure 1. Serial Input Timing