cs4271 Cirrus Logic, Inc., cs4271 Datasheet - Page 18

• Manufacturer Part Number: cs4271
• Description: 24-bit, 192 Khz Stereo Audio Codec
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT
Logic "1" = VL, C
Notes: 20. In Control Port Mode, the Ratio[1:0] bits must be configured according to tables 8 and 9 on
18
Sample Rate
MCLK Specifications
MCLK Frequency
(note 20)
MCLK Input Pulse Width High/Low
(note 20)
MCLK Output Duty Cycle
Master Mode
LRCK Duty Cycle
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
(note 20)
SCLK Pulse Width High
SCLK Pulse Width Low
SCLK falling to LRCK edge
SCLK falling to SDOUT valid
SDIN valid to SCLK rising setup time
SCLK rising to SDIN hold time
Crystal Oscillator Specifications (XTI/XTO)
Crystal Frequency Range
pages 28 and 29.
L
= 20 pF)
Parameter
Double Speed Mode
Double Speed Mode
Single Speed Mode
Single Speed Mode
Quad Speed Mode
Quad Speed Mode
Stand-Alone Mode
Stand-Alone Mode
Control Port Mode
Control Port Mode
Symbol
t
t
t
t
f
f
t
t
t
t
t
sclkw
sclkw
sclkw
t
t
t
sclkh
t
f
mclk
mclk
clkhl
clkhl
sclkl
sdih
sdih
Fs
Fs
Fs
t
sdis
t
sdis
sdo
sdo
osc
slr
slr
-------------------- -
(
-------------------- -
(
16.384
----------------- -
(
1.024
1.024
128
128
64
Min
100
-10
-10
50
16
45
16
20
40
30
48
16
20
4
8
0
0
1
1
1
-
-
)Fs
)Fs
)Fs
Typ
(Logic "0" = GND = 0 V;
50
50
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
25.600
51.200
25.600
Max
100
200
55
50
10
32
60
10
32
-
-
-
-
-
-
-
-
-
-
-
-
-
CS4271
DS592F1
MHz
MHz
MHz
Unit
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
s
s
s