Switching characteristics - serial audio port 2 – Cirrus Logic CS4245 User Manual
Page 24
24
DS656F3
CS4245
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT 2
Logic ‘0’ = DGND = AGND = 0 V; Logic ‘1’ = VL, C
L
= 20 pF.
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
MCLK2 Input Frequency
f
mclk
1.024
-
51.200
MHz
MCLK2 Input Pulse Width High/Low
t
clkhl
8
-
-
ns
Master Mode
LRCK2 Duty Cycle
-
50
-
%
SCLK2 Duty Cycle
-
50
-
%
SCLK2 falling to LRCK edge
t
slr
-10
-
10
ns
SDIN valid to SCLK2 rising setup time
t
sdis
16
-
-
ns
SCLK2 rising to SDIN hold time
t
sdih
20
-
-
ns
Slave Mode
LRCK2 Duty Cycle
40
50
60
%
SCLK2 Period
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
t
sclkw
t
sclkw
t
sclkw
-
-
-
-
-
-
ns
ns
ns
SCLK2 Pulse Width High
t
sclkh
30
-
-
ns
SCLK2 Pulse Width Low
t
sclkl
48
-
-
ns
SCLK2 falling to LRCK2 edge
t
slr
-10
-
10
ns
SDIN valid to SCLK2 rising setup time
t
sdis
16
-
-
ns
SCLK2 rising to SDIN hold time
t
sdih
20
-
-
ns
10
9
128
Fs
---------------------
10
9
64
Fs
------------------
10
9
64
Fs
------------------