CS48DV2B 데이터 시트보기 (PDF) - Cirrus Logic
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CS48DV2B Datasheet PDF : 26 Pages
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CS48DV2B Data Sheet
32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby
5.13 Switching Characteristics — Digital Audio Slave Input Port
DAI_SCLK period
DAI_SCLK duty cycle
Setup time DAI_DATAn
Hold time DAI_DATAn
Parameter
Symbol Min
Tdaiclkp
40
-
45
tdaidsu
10
tdaidh
5
Max
-
55
-
-
Unit
ns
%
ns
ns
DAI_SCLK
T tdaidsu
F DAI_DATAn
tdaidh
A Figure 7. Digital Audio Input (DAI) Port Timing Diagram
DR 5.14 Switching Characteristics — DSD Slave Input Port
Parameter
Symbol
Min
Typ
L I DSD_SCLK Pulse Width Low
DSD_SCLK Pulse Width High
IA H DSD_SCLK Frequency
tsclkl
78
-
tsclkh
78
-
(64x Oversampled) -
1.024
-
DSD_A / _B valid to DSD_SCLK rising setup time
CONFIDENTDELP DSD_SCLK rising to DSD_A or DSD_B hold time
tsdlrs
20
-
tsdh
20
-
Max
-
-
3.2
-
-
Unit
ns
ns
MHz
ns
ns
Figure 8. Direct Stream Digital - Serial Audio Input Timing
18
Copyright 2009 Cirrus Logic
DS875F2
CONFIDENTIAL
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