CS42438_07 Datasheet, PDF (22/61 Pages) Cirrus Logic – 108 dB, 192 kHz 6-In, 8-Out TDM CODEC

SWITCHING CHARACTERISTICS - AUX PORT
(Inputs: Logic 0 = DGND, Logic 1 = VLS.)
Parameters
Symbol
Min
Master Mode
Output Sample Rate (AUX_LRCK)
All Speed Modes F_s
-
AUX_SCLK Frequency
-
AUX_SCLK Duty Cycle
45
AUX_LRCK Edge to SCLK Rising Edge
AUX_SDIN Setup Time Before SCLK Rising Edge
AUX_SDIN Hold Time After SCLK Rising Edge
t_lcks
-
t_ds
3
t_dh
5
CS42438
Max
Units
LRCK
kHz
64·LRCK
kHz
55
%
5
ns
-
ns
-
ns
AUX_LRCK
t_lcks
t_sckh
t_sckl
AUX_SCLK
AUX_SDIN
t_ds
t_dh
MSB
MSB-1
Figure 6. Serial Audio Interface Slave Mode Timing
22
DS646F2