參數(shù)資料
型號: CS42L52-DNZR
廠商: CIRRUS LOGIC INC
元件分類: 消費家電
中文描述: SPECIALTY CONSUMER CIRCUIT, QCC40
封裝: 6 X 6 MM, LEAD FREE, MO-220, QFN-40
文件頁數(shù): 14/59頁
文件大?。?/td> 1800K
代理商: CS42L52-DNZR
DS680F1
21
CS42L52
5/13/08
SWITCHING SPECIFICATIONS - SERIAL PORT
Inputs: Logic 0 = DGND, Logic 1 = VL, SDOUT CLOAD = 15 pF.
14. After powering up the CS42L52, RESET should be held low after the power supplies and clocks are
settled.
15. See “Example System Clock Frequencies” on page 76 for typical MCLK frequencies.
Parameters
Symbol
Min
Max
Units
RESET pin Low Pulse Width
1-
ms
MCLK Frequency (Note 15)
MHz
MCLK Duty Cycle
45
55
%
Slave Mode
Input Sample Rate (LRCK)
Fs
kHz
LRCK Duty Cycle
45
55
%
SCLK Frequency
1/tP
-
64Fs
Hz
SCLK Duty Cycle
45
55
%
LRCK Setup Time Before SCLK Rising Edge
ts(LK-SK)
40
-
ns
LRCK Edge to SDOUT MSB Output Delay
td(MSB)
-52
ns
SDOUT Setup Time Before SCLK Rising Edge
ts(SDO-SK)
20
-
ns
SDOUT Hold Time After SCLK Rising Edge
th(SK-SDO)
30
-
ns
SDIN Setup Time Before SCLK Rising Edge
ts(SD-SK)
20
-
ns
SDIN Hold Time After SCLK Rising Edge
th
20
-
ns
Master Mode
Output Sample Rate (LRCK)
All Speed Modes
Fs
Hz
LRCK Duty Cycle
45
55
%
SCLK Frequency
SCLK=MCLK mode
1/tP
-
12.0000
MHz
MCLK=12.0000 MHz
1/tP
-
68Fs
Hz
all other modes
1/tP
-
64Fs
Hz
SCLK Duty Cycle
45
55
%
LRCK Edge to SDOUT MSB Output Delay
td(MSB)
-52
ns
SDOUT Setup Time Before SCLK Rising Edge
ts(SDO-SK)
20
-
ns
SDOUT Hold Time After SCLK Rising Edge
th(SK-SDO)
30
-
ns
SDIN Setup Time Before SCLK Rising Edge
ts(SD-SK)
20
-
ns
SDIN Hold Time After SCLK Rising Edge
th
20
-
ns
th(SK-SDO)
//
ts(SD-SK)
MSB
MSB-1
LRCK
SCLK
SDOUT
SDIN
td(MSB)
ts(LK-SK)
tP
th
ts(SDO-SK)
Figure 3. Serial Audio Interface Timing
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