Switching characteristics, Figure 1. serial audio input timing – Cirrus Logic CS43122 User Manual
Page 9
CS43122
9
SWITCHING CHARACTERISTICS
(T
A
= -10 to 70° C; Logic 0 = AGND = DGND; Logic
1 = VD = 5.25 to 3.0 Volts; C
L
= 20 pF)
Parameter
Symbol Min Typ
Max
Unit
Input Sample Rate (Operational Mode 0)
(Operational Mode 1)
(Operational Mode 2)
Fs
Fs
Fs
16
45
95
-
-
-
55
105
200
kHz
kHz
kHz
LRCK Duty Cycle
45
50
55
%
MCLK Frequency
(Operational Mode 0, 256 Fs)
(Operational Mode 1, 128 Fs)
(Operational Mode 2, 64 Fs)
4.096
-
14.08
MHz
MCLK Frequency
(Operational Mode 0, 384 Fs)
(Operational Mode 1, 192 Fs)
(Operational Mode 2, 96 Fs)
6.144
-
21.12
MHz
MCLK Frequency
(Operational Mode 0, 512 Fs)
(Operational Mode 1, 256 Fs)
(Operational Mode 2 , 128 Fs)
8.192
-
28.16
MHz
MCLK Frequency
(Operational Mode 0, 768 Fs)
(Operational Mode 1, 384 Fs)
(Operational Mode 2 , 192 Fs)
12.288
-
42.24
MHz
MCLK Duty Cycle
40
50
60
%
SCLK Frequency
(Operational
Mode 0)
(Operational Mode 1)
(Operational Mode 2)
-
-
-
-
-
-
256×Fs
128×Fs
64×Fs
Hz
Hz
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
sclkh
t
slrs
t
slrd
t
sdlrs
t
sdh
t
sclkl
t
SDATA
SCLK
LRCK
Figure 1. Serial Audio Input Timing