CS4270_06 CIRRUS [Cirrus Logic], CS4270_06 Datasheet - Page 17

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CS4270_06

Manufacturer Part Number
CS4270_06
Description
24-Bit, 192 kHz Stereo Audio CODEC
Manufacturer
CIRRUS [Cirrus Logic]
Datasheet
DS686PP1
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT
(Logic "0" = AGND = 0 V; Logic "1" = VD, C
Sample Rate
MCLK Specifications
MCLK Frequency
MCLK Duty Cycle
Master Mode
LRCK Duty Cycle
SCLK Period
SCLK Duty Cycle
SCLK falling to LRCK edge
SCLK falling to SDOUT valid
SDIN valid to SCLK rising setup time
SCLK rising to SDIN hold time
Slave Mode
LRCK Duty Cycle
SCLK Period
SCLK Duty Cycle
SCLK falling to LRCK edge
SDOUT valid before SCLK rising
SDOUT valid after SCLK rising
SDIN valid to SCLK rising setup time
SCLK rising to SDIN hold time
(Note 17)
(Note 17)
17. In Control Port Mode, MCLK Frequency and Functional Mode Select bits must be configured according
18. t
to
sclkw =
(Note 18)
Table
t
sclkh +
5,
Parameter
Table
t
sclkl
8, and
in Figures
Double-Speed Mode
Double-Speed Mode
Table
Single-Speed Mode
Single-Speed Mode
Quad-Speed Mode
Quad-Speed Mode
Control Port Mode
tand-Alone Mode
5
12.
and 7.
L
= 20 pF)
Symbol
t
t
t
t
f
f
t
sclkw
t
t
sclkw
sclkw
sclkw
t
t
t
t
mclk
mclk
t
t
mslr
sdih
sdih
Fs
Fs
Fs
sdis
sdis
sdo
slrd
stp
hld
-------------------- -
(
----------------- -
(
----------------- -
(
1.024
1.024
128
Min
64
64
100
-20
-20
50
40
16
20
40
45
10
16
20
4
5
-
-
-
-
1
1
1
)Fs
)Fs
)Fs
----------------- -
(
64
Typ
50
50
50
50
50
-
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
)Fs
55.296
55.296
Max
108
216
60
20
60
55
20
54
32
-
-
-
-
-
-
-
-
-
-
-
-
CS4270
MHz
MHz
Unit
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
s
s
s
s
17

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