CS4525 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CS4525' PDF : 91 Pages View PDF
SERIAL AUDIO INPUT PORT SWITCHING SPECIFICATIONS
Inputs: Logic 0 = DGND; Logic 1 = VD
Parameters
Symbol Min
Supported Input Sample Rates
28.5
FSI
39.5
39.5
86.4
LRCK Duty Cycle
45
SCLK Frequency
Single-Speed Mode
Double-Speed Mode
1/tp
-
SCLK Duty Cycle
45
LRCK Setup Time Before SCLK Rising Edge
SDIN Setup Time Before SCLK Rising Edge
SDIN Hold Time After SCLK Rising Edge
RST pin Low Pulse Width
ts(LK-SK)
40
ts(SD-SK)
25
th
10
(Note 7)
1
Nominal
32
44.1
48
96
-
-
-
-
-
-
-
-
CS4525
Max
35.2
52.8
52.8
105.6
55
128•FSI
64•FSI
55
-
-
-
-
Units
kHz
kHz
kHz
kHz
%
Hz
Hz
%
ns
ns
ns
ms
Notes: 7. After powering up the CS4525, RST should be held low until the power supplies and clocks are stable.
LRCK
SCLK
ts(LK-SK)
//
//
tP
//
tr
tf
//
SDIN
ts(SD-SK)
// th
MSB
//
MSB-1
Figure 7. Serial Audio Input Port Timing
DS726A1
21
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