Switching characteristics, Figure 1. serial audio input timing, Serial audio input timing – Cirrus Logic CS4397 User Manual
Page 10: Cs4397
CS4397
10
DS333F1
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 (Single-speed mode)
(Double-speed mode)
(Quad-speed mode)
Fs
Fs
Fs
16
50
100
-
-
-
50
100
200
kHz
kHz
kHz
LRCK Duty Cycle
45
50
55
%
MCLK Frequency
(Single-speed 256 Fs,
Double speed 128 Fs or Quad-speed 64 Fs)
4.096
-
12.8
MHz
MCLK Frequency
(Single-speed 384 Fs,
Double speed 192 Fs or Quad-speed, 96 Fs
6.144
-
19.2
MHz
MCLK Frequency
(Single-speed 512 Fs,
Double speed 256 Fs or Quad-speed, 128 Fs
8.192
-
25.6
MHz
MCLK Frequency
(Single-speed 768 Fs,
Double speed 384 Fs or Quad-speed, 192 Fs
12.288
-
38.4
MHz
MCLK Duty Cycle
40
50
60
%
SCLK Frequency (Single-speed mode)
(Double-speed mode)
(Quad-speed mode)
-
-
-
-
-
-
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
slrs
t
slrd
t
sdlrs
t
sdh
t
SDATA
SCLK
LRCK
Figure 1. Serial Audio Input Timing