CS4245-CQZR Cirrus Logic Inc, CS4245-CQZR Datasheet - Page 22

• Manufacturer Part Number: CS4245-CQZR
• Description: IC,Soundcard Circuits,QFP,48PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

22
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT 1
Logic ‘0’ = DGND = AGND = 0 V; Logic ‘1’ = VL, C
Sample Rate
MCLK Specifications
MCLK1 Input Frequency
MCLK1 Input Pulse Width High/Low
Master Mode
LRCK1 Duty Cycle
SCLK1 Duty Cycle
SCLK1 falling to LRCK1 edge
SCLK1 falling to SDOUT valid
Slave Mode
LRCK1 Duty Cycle
SCLK1 Period
SCLK1 Pulse Width High
SCLK1 Pulse Width Low
SCLK1 falling to LRCK1 edge
SCLK1 falling to SDOUT valid
28. See
Figure 3
Parameter
and
Figure 4 on page
Double-Speed Mode
Double Speed Mode
Single-Speed Mode
Single Speed Mode
Quad-Speed Mode
Quad Speed Mode
23.
L
= 20 pF.
Symbol
t
t
t
f
t
t
t
(Note 28)
sclkw
sclkw
sclkw
mclk
t
sclkh
t
clkhl
sclkl
Fs
Fs
Fs
t
sdo
t
sdo
slr
slr
-------------------- -
(
----------------- -
(
----------------- -
(
128
1.024
64
64
Min
100
-10
-10
10
10
10
50
40
30
48
4
8
0
0
-
-
)Fs
)Fs
)Fs
9
9
9
Typ
50
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
51.200
Max
100
200
50
10
36
60
10
36
-
-
-
-
-
-
-
-
CS4245
DS656F2
Unit
MHz
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%