Switching characteristics - serial audio port – Cirrus Logic CS4265 User Manual
Page 19
DS657F3
19
CS4265
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT
Logic ‘0’ = DGND = AGND = 0 V; Logic ‘1’ = VL, C
L
= 20 pF.
23. See
and
Parameter
Symbol
Min
Typ
Max
Unit
Sample Rate
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
Fs
Fs
Fs
4
50
100
-
-
-
50
100
200
kHz
kHz
kHz
MCLK Specifications
MCLK Frequency
f
mclk
1.024
-
51.200
MHz
MCLK Input Pulse Width High/Low
t
clkhl
8
-
-
ns
MCLK Output Duty Cycle
45
50
55
%
Master Mode
LRCK Duty Cycle
-
50
-
%
SCLK Duty Cycle
-
50
-
%
SCLK falling to LRCK edge
t
slr
-10
-
10
ns
SCLK falling to SDOUT valid
t
sdo
0
-
36
ns
SDIN valid to SCLK rising setup time
t
sdis
16
-
-
ns
SCLK rising to SDIN hold time
t
sdih
20
-
-
ns
Slave Mode
LRCK Duty Cycle
40
50
60
%
SCLK Period
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
t
sclkw
t
sclkw
t
sclkw
-
-
-
-
-
-
ns
ns
ns
SCLK Pulse Width High
t
sclkh
30
-
-
ns
SCLK Pulse Width Low
t
sclkl
48
-
-
ns
SCLK falling to LRCK edge
t
slr
-10
-
10
ns
SCLK falling to SDOUT valid
t
sdo
0
-
36
ns
SDIN valid to SCLK rising setup time
t
sdis
16
-
-
ns
SCLK rising to SDIN hold time
t
sdih
20
-
-
ns
10
9
128
Fs
---------------------
10
9
64
Fs
------------------
10
9
64
Fs
------------------